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1. Pharmacogenomics: A road ahead for precision medicine in psychiatry

Author: James T.R. Walters, Michael John Owen, and Antonio F. Pardiñas
Subjects: Psychiatry, Treatment response, medicine.medical_specialty, Drug-Related Side Effects and Adverse Reactions, business.industry, General Neuroscience, media_common.quotation_subject, Clinical study design, MEDLINE, Genomics, Precision medicine, Health informatics, Optimism, Pharmacogenetics, Pharmacogenomics, Humans, Medicine, Drug reaction, Precision Medicine, business, media_common
Abstract: Psychiatric genomics is providing insights into the nature of psychiatric conditions that in time should identify new drug targets and improve patient care. Less attention has been paid to psychiatric pharmacogenomics research, despite its potential to deliver more rapid change in clinical practice and patient outcomes. The pharmacogenomics of treatment response encapsulates both pharmacokinetic (“what the body does to a drug”) and pharmacodynamic (“what the drug does to the body”) effects. Despite early optimism and substantial research in both these areas, they have to date made little impact on clinical management in psychiatry. A number of bottlenecks have hampered progress, including a lack of large-scale replication studies, inconsistencies in defining valid treatment outcomes across experiments, a failure to routinely incorporate adverse drug reactions and serum metabolite monitoring in study designs, and inadequate investment in the longitudinal data collections required to demonstrate clinical utility. Nonetheless, advances in genomics and health informatics present distinct opportunities for psychiatric pharmacogenomics to enter a new and productive phase of research discovery and translation.
Published: 2021

2. Patient characteristics associated with retrospectively self-reported treatment outcomes following psychological therapy for anxiety or depressive disorders - a cohort of GLAD study participants

Author: Christopher Rayner, Jonathan R.I. Coleman, Megan Skelton, Cherie Armour, John Bradley, Joshua E.J. Buckman, Molly R. Davies, Colette R. Hirsch, Matthew Hotopf, Christopher Hübel, Ian R. Jones, Gursharan Kalsi, Nathalie Kingston, Georgina Krebs, Yuhao Lin, Dina Monssen, Andrew M. McIntosh, Jessica R. Mundy, Alicia J. Peel, Katharine A. Rimes, Henry C. Rogers, Daniel J. Smith, Abigail R. ter Kuile, Katherine N. Thompson, David Veale, Janet Wingrove, James T.R. Walters, Gerome Breen, Thalia C. Eley, Rayner, Christopher [0000-0003-2950-343X], Coleman, Jonathan RI [0000-0002-6759-0944], Skelton, Megan [0000-0002-7619-349X], Armour, Cherie [0000-0001-7649-3874], Bradley, John [0000-0002-7774-8805], Buckman, Joshua EJ [0000-0002-2281-0907], Davies, Molly R [0000-0003-3483-9907], Hirsch, Colette R [0000-0003-3579-2418], Hotopf, Matthew [0000-0002-3980-4466], Hübel, Christopher [0000-0002-1267-8287], Jones, Ian R [0000-0001-5821-5889], Kalsi, Gursharan [0000-0002-5156-7176], Kingston, Nathalie [0000-0002-9190-2231], Krebs, Georgina [0000-0002-5353-5645], Monssen, Dina [0000-0003-0080-0799], McIntosh, Andrew M [0000-0002-0198-4588], Peel, Alicia J [0000-0002-6144-5412], Rimes, Katharine A [0000-0003-2634-455X], Rogers, Henry C [0000-0003-2531-7496], Smith, Daniel J [0000-0002-2267-1951], Ter Kuile, Abigail R [0000-0002-7869-3754], Thompson, Katherine N [0000-0003-1818-0428], Veale, David [0000-0002-1717-4766], Walters, James TR [0000-0002-6980-4053], Breen, Gerome [0000-0003-2053-1792], Eley, Thalia C [0000-0001-6458-0700], and Apollo - University of Cambridge Repository
Subjects: Adult, Depressive Disorder, Depression, Research, Anxiety/psychology, Depression/therapy, Anxiety, Cognitive behavioral therapy, Cohort Studies, Psychiatry and Mental health, Treatment Outcome, Humans, Counselling, Self Report, Prospective Studies, Minimal phenotyping, Retrospective Studies
Abstract: Funder: Wellcome Trust, Funder: Medical Research Council, BACKGROUND: Progress towards stratified care for anxiety and depression will require the identification of new predictors. We collected data on retrospectively self-reported therapeutic outcomes in adults who received psychological therapy in the UK in the past ten years. We aimed to replicate factors associated with traditional treatment outcome measures from the literature. METHODS: Participants were from the Genetic Links to Anxiety and Depression (GLAD) Study, a UK-based volunteer cohort study. We investigated associations between retrospectively self-reported outcomes following therapy, on a five-point scale (global rating of change; GRC) and a range of sociodemographic, clinical and therapy-related factors, using ordinal logistic regression models (n = 2890). RESULTS: Four factors were associated with therapy outcomes (adjusted odds ratios, OR). One sociodemographic factor, having university-level education, was associated with favourable outcomes (OR = 1.37, 95%CI: 1.18, 1.59). Two clinical factors, greater number of reported episodes of illness (OR = 0.95, 95%CI: 0.92, 0.97) and higher levels of personality disorder symptoms (OR = 0.89, 95%CI: 0.87, 0.91), were associated with less favourable outcomes. Finally, reported regular use of additional therapeutic activities was associated with favourable outcomes (OR = 1.39, 95%CI: 1.19, 1.63). There were no statistically significant differences between fully adjusted multivariable and unadjusted univariable odds ratios. CONCLUSION: Therapy outcome data can be collected quickly and inexpensively using retrospectively self-reported measures in large observational cohorts. Retrospectively self-reported therapy outcomes were associated with four factors previously reported in the literature. Similar data collected in larger observational cohorts may enable detection of novel associations with therapy outcomes, to generate new hypotheses, which can be followed up in prospective studies.
Published: 2022

3. Developmental Profile of Psychiatric Risk Associated With Voltage-Gated Cation Channel Activity

Author: Jeremy Hall, Michael Conlon O'Donovan, Daniel R. Weinberger, Michael John Owen, Nicholas E. Clifton, James T.R. Walters, Janet C Harwood, Leonardo Collado-Torres, Antonio F. Pardiñas, Arianna Di Florio, Peter Holmans, Emily E. Burke, and Andrew E. Jaffe
Subjects: 0301 basic medicine, Adult, medicine.medical_specialty, Bipolar Disorder, Genome-wide association study, Biology, Genome-wide association studies, Voltage-gated cation channel activity, 03 medical and health sciences, 0302 clinical medicine, Cations, medicine, Humans, Genetic Predisposition to Disease, Bipolar disorder, Psychiatry, Biological Psychiatry, Psychiatric genetics, Genetic association, Depressive Disorder, Major, Mental Disorders, medicine.disease, Brain development, Potassium channel activity, Archival Report, 030104 developmental biology, Schizophrenia, Major depressive disorder, Dorsolateral prefrontal cortex, Psychiatric disorders, Transcriptome, 030217 neurology & neurosurgery, Cation channel activity, Genome-Wide Association Study
Abstract: BackgroundRecent breakthroughs in psychiatric genetics have implicated biological pathways onto which genetic risk for psychiatric disorders converges. However, these studies do not reveal the developmental time point(s) at which these pathways are relevant.MethodsWe aimed to determine the relationship between psychiatric risk and developmental gene expression relating to discrete biological pathways. We used post-mortem RNA sequencing data (BrainSeq and BrainSpan) from brain tissue at multiple pre- and post-natal timepoints and summary statistics from recent genome-wide association studies of schizophrenia, bipolar disorder and major depressive disorder. We prioritised gene sets for overall enrichment of association with each disorder, and then tested the relationship between the association of each of their constituent genes with their relative expression at each developmental stage.ResultsWe observed relationships between the expression of genes involved involtage-gated cation channel activityduring Early Midfetal, Adolescence and Early Adulthood timepoints and association with schizophrenia and bipolar disorder, such that genes more strongly associated with these disorders had relatively low expression during Early Midfetal development and higher expression during Adolescence and Early Adulthood. The relationship with schizophrenia was strongest for the subset of genes related to calcium channel activity, whilst for bipolar disorder the relationship was distributed between calcium and potassium channel activity genes.ConclusionsOur results indicate periods during development when biological pathways related to the activity of calcium and potassium channels may be most vulnerable to the effects of genetic variants conferring risk to psychiatric disorders. Furthermore, they indicate key time points and potential targets for disorder-specific therapeutic interventions.
Published: 2021

4. Machine learning for prediction of schizophrenia using genetic and demographic factors in the UK biobank

Author: Matthew Bracher-Smith, Elliott Rees, Georgina Menzies, James T.R. Walters, Michael C. O'Donovan, Michael J. Owen, George Kirov, and Valentina Escott-Price
Subjects: Machine Learning, Psychiatry and Mental health, Schizophrenia, Humans, Biological Psychiatry, United Kingdom, Biological Specimen Banks, Demography
Abstract: Machine learning (ML) holds promise for precision psychiatry, but its predictive performance is unclear. We assessed whether ML provided added value over logistic regression for prediction of schizophrenia, and compared models built using polygenic risk scores (PRS) or clinical/demographic factors.\ud\udLASSO and ridge-penalised logistic regression, support vector machines (SVM), random forests, boosting, neural networks and stacked models were trained to predict schizophrenia, using PRS for schizophrenia (PRSSZ), sex, parental depression, educational attainment, winter birth, handedness and number of siblings as predictors. Models were evaluated for discrimination using area under the receiver operator characteristic curve (AUROC) and relative importance of predictors using permutation feature importance (PFI). In a secondary analysis, fitted models were tested for association with schizophrenia-related traits which had not been used in model development.\ud\udFollowing learning curve analysis, 738 cases and 3690 randomly sampled controls were selected from the UK Biobank. ML models combining all predictors showed the highest discrimination (linear SVM, AUROC = 0.71), but did not significantly outperform logistic regression. AUROC was robust over 100 random resamples of controls. PFI identified PRSSZ as the most important predictor. Highest variance in fitted models was explained by schizophrenia-related traits including fluid intelligence (most associated: linear SVM), digit symbol substitution (RBF SVM), BMI (XGBoost), smoking status (XGBoost) and deprivation (linear SVM).\ud\udIn conclusion, ML approaches did not provide substantial added value for prediction of schizophrenia over logistic regression, as indexed by AUROC; however, risk scores derived with different ML approaches differ with respect to association with schizophrenia-related traits.
Published: 2022

5. The Duffy-null genotype and risk of infection

Author: Marie Bækvad-Hansen, James T.R. Walters, Sophie E. Legge, Merete Nordentoft, Jonas Bybjerg-Grauholm, Preben Bo Mortensen, Rune Haubo Bojesen Christensen, Steven Knapper, Matthew Bracher-Smith, Antonio F. Pardiñas, Michael John Owen, Michael Conlon O'Donovan, Michael E. Benros, Thomas Werge, David M. Hougaard, and Liselotte Petersen
Subjects: AcademicSubjects/SCI01140, Male, Genotype, Population, Black People, Serious infection, Biology, Infections, Polymorphism, Single Nucleotide, White People, Cohort Studies, 03 medical and health sciences, 0302 clinical medicine, Polymorphism (computer science), White blood cell, Genetics, medicine, Humans, education, Molecular Biology, Genetics (clinical), Biological Specimen Banks, 030304 developmental biology, 0303 health sciences, education.field_of_study, Risk of infection, General Medicine, Middle Aged, medicine.anatomical_structure, 030220 oncology & carcinogenesis, Immunology, Absolute neutrophil count, Female, General Article, Duffy Blood-Group System, Cohort study
Abstract: Many medical treatments, from oncology to psychiatry, can lower white blood cell counts and thus access to these treatments can be restricted to individuals with normal levels of white blood cells, principally in order to minimize risk of serious infection. This adversely affects individuals of African or Middle Eastern ancestries who have on average a reduced number of circulating white blood cells, because of the Duffy-null (CC) genotype at rs2814778 in the ACKR1 gene. Here, we investigate whether the Duffy-null genotype is associated with the risk of infection using the UK Biobank sample and the iPSYCH Danish case-cohort study, two population-based samples from different countries and age ranges. We found that a high proportion of those with the Duffy-null genotype (21%) had a neutrophil count below the threshold often used as a cut-off for access to relevant treatments, compared with 1% of those with the TC/TT genotype. In addition we found that despite its strong association with lower average neutrophil counts, the Duffy-null genotype was not associated with an increased risk of infection, viral or bacterial. These results have widespread implications for the clinical treatment of individuals of African ancestry and indicate that neutrophil thresholds to access treatments could be lowered in individuals with the Duffy-null genotype without an increased risk of infection.
Published: 2020

6. Cis-effects on gene expression in the human prenatal brain associated with genetic risk for neuropsychiatric disorders

Author: Michael Conlon O'Donovan, Michael John Owen, James T.R. Walters, Nicholas John Bray, Oliver Pain, Heath E. O’Brien, Lynsey S. Hall, and Richard Anney
Subjects: 0301 basic medicine, Autism Spectrum Disorder, Gene Expression, Bioinformatics, Article, 03 medical and health sciences, Cellular and Molecular Neuroscience, 0302 clinical medicine, Pregnancy, mental disorders, medicine, Attention deficit hyperactivity disorder, Humans, Genetic Predisposition to Disease, Bipolar disorder, Molecular Biology, Gene, Genetic association, Regulation of gene expression, Depressive Disorder, Major, business.industry, Brain, medicine.disease, Psychiatry and Mental health, 030104 developmental biology, Schizophrenia, Autism spectrum disorder, Attention Deficit Disorder with Hyperactivity, Phospholipases, Major depressive disorder, Female, business, 030217 neurology & neurosurgery, Genome-Wide Association Study
Abstract: The majority of common risk alleles identified for neuropsychiatric disorders reside in noncoding regions of the genome and are therefore likely to impact gene regulation. However, the genes that are primarily affected and the nature and developmental timing of these effects remain unclear. Given the hypothesized role for early neurodevelopmental processes in these conditions, we here define genetic predictors of gene expression in the human fetal brain with which we perform transcriptome-wide association studies (TWASs) of attention deficit hyperactivity disorder (ADHD), autism spectrum disorder, bipolar disorder, major depressive disorder, and schizophrenia. We identify prenatal cis-regulatory effects on 63 genes and 166 individual transcripts associated with genetic risk for these conditions. We observe pleiotropic effects of expression predictors for a number of genes and transcripts, including those of decreased DDHD2 expression in association with risk for schizophrenia and bipolar disorder, increased expression of a ST3GAL3 transcript with risk for schizophrenia and ADHD, and increased expression of an XPNPEP3 transcript with risk for schizophrenia, bipolar disorder, and major depression. For the protocadherin alpha cluster genes PCDHA7 and PCDHA8, we find that predictors of low expression are associated with risk for major depressive disorder while those of higher expression are associated with risk for schizophrenia. Our findings support a role for altered gene regulation in the prenatal brain in susceptibility to various neuropsychiatric disorders and prioritize potential risk genes for further neurobiological investigation.
Published: 2020

7. A meta-analysis comparing cognitive function across the mood/psychosis diagnostic spectrum

Author: Ian Jones, Amy Lynham, Siân L Cleaver, and James T.R. Walters
Subjects: Psychosis, Bipolar Disorder, Schizoaffective disorder, 03 medical and health sciences, 0302 clinical medicine, Cognition, mental disorders, Medicine, Humans, Cognitive skill, Bipolar disorder, Applied Psychology, business.industry, medicine.disease, 030227 psychiatry, Psychiatry and Mental health, Mood, Psychotic Disorders, Schizophrenia, Meta-analysis, business, Cognition Disorders, 030217 neurology & neurosurgery, Clinical psychology
Abstract: BackgroundThe nature and degree of cognitive impairments in schizoaffective disorder is not well established. The aim of this meta-analysis was to characterise cognitive functioning in schizoaffective disorder and compare it with cognition in schizophrenia and bipolar disorder. Schizoaffective disorder was considered both as a single category and as its two diagnostic subtypes, bipolar and depressive disorder.MethodsFollowing a thorough literature search (468 records identified), we included 31 studies with a total of 1685 participants with schizoaffective disorder, 3357 with schizophrenia and 1095 with bipolar disorder. Meta-analyses were conducted for seven cognitive variables comparing performance between participants with schizoaffective disorder and schizophrenia, and between schizoaffective disorder and bipolar disorder.ResultsParticipants with schizoaffective disorder performed worse than those with bipolar disorder (g = −0.30) and better than those with schizophrenia (g = 0.17). Meta-analyses of the subtypes of schizoaffective disorder showed cognitive impairments in participants with the depressive subtype are closer in severity to those seen in participants with schizophrenia (g = 0.08), whereas those with the bipolar subtype were more impaired than those with bipolar disorder (g = −0.23) and less impaired than those with schizophrenia (g = 0.29). Participants with the depressive subtype had worse performance than those with the bipolar subtype but this was not significant (g = 0.25, p = 0.05).ConclusionCognitive impairments increase in severity from bipolar disorder to schizoaffective disorder to schizophrenia. Differences between the subtypes of schizoaffective disorder suggest combining the subtypes of schizoaffective disorder may obscure a study's results and hamper efforts to understand the relationship between this disorder and schizophrenia or bipolar disorder.
Published: 2022

8. Clinical predictors of antipsychotic treatment resistance: Development and internal validation of a prognostic prediction model by the STRATA-G consortium

Author: Sophie E. Smart, Deborah Agbedjro, Antonio F. Pardiñas, Olesya Ajnakina, Luis Alameda, Ole A. Andreassen, Thomas R.E. Barnes, Domenico Berardi, Sara Camporesi, Martine Cleusix, Philippe Conus, Benedicto Crespo-Facorro, Giuseppe D'Andrea, Arsime Demjaha, Marta Di Forti, Kim Do, Gillian Doody, Chin B. Eap, Aziz Ferchiou, Lorenzo Guidi, Lina Homman, Raoul Jenni, Eileen Joyce, Laura Kassoumeri, Ornella Lastrina, Ingrid Melle, Craig Morgan, Francis A. O'Neill, Baptiste Pignon, Romeo Restellini, Jean-Romain Richard, Carmen Simonsen, Filip Španiel, Andrei Szöke, Ilaria Tarricone, Andrea Tortelli, Alp Üçok, Javier Vázquez-Bourgon, Robin M. Murray, James T.R. Walters, Daniel Stahl, James H. MacCabe, and Universidad de Cantabria
Subjects: Psychiatry, First episode psychosis, Prognosis, Psykiatri, Psychiatry and Mental health, SDG 3 - Good Health and Well-being, Psychotic Disorders, Prospective longitudinal cohort, Machine learning, Prediction modelling, Humans, Educational Status, Prospective Studies, Stratification, Treatment resistant schizophrenia, Biological Psychiatry, Antipsychotic Agents
Abstract: Introduction Our aim was to, firstly, identify characteristics at first-episode of psychosis that are associated with later antipsychotic treatment resistance (TR) and, secondly, to develop a parsimonious prediction model for TR. Methods We combined data from ten prospective, first-episode psychosis cohorts from across Europe and categorised patients as TR or non-treatment resistant (NTR) after a mean follow up of 4.18 years (s.d. = 3.20) for secondary data analysis. We identified a list of potential predictors from clinical and demographic data recorded at first-episode. These potential predictors were entered in two models: a multivariable logistic regression to identify which were independently associated with TR and a penalised logistic regression, which performed variable selection, to produce a parsimonious prediction model. This model was internally validated using a 5-fold, 50-repeat cross-validation optimism-correction. Results Our sample consisted of N = 2216 participants of which 385 (17 %) developed TR. Younger age of psychosis onset and fewer years in education were independently associated with increased odds of developing TR. The prediction model selected 7 out of 17 variables that, when combined, could quantify the risk of being TR better than chance. These included age of onset, years in education, gender, BMI, relationship status, alcohol use, and positive symptoms. The optimism-corrected area under the curve was 0.59 (accuracy = 64 %, sensitivity = 48 %, and specificity = 76 %). Implications Our findings show that treatment resistance can be predicted, at first-episode of psychosis. Pending a model update and external validation, we demonstrate the potential value of prediction models for TR. Funding: This work was supported by a Stratified Medicine Programme grant to JHM from the Medical Research Council (grant number MR/L011794/1 which funded the research and supported S.E.S., D.A., A.F.P, L.K., R.M.M., D.S., J.T.R.W, & J.H.M.); funding from the National Institute for Health Research Biomedical Research Centre at South London and Maudsley National Health Service Foundation Trust and King's College London to D.A. and D.S; and funding from the Collaboration for Leadership in Applied Health Research and Care (CLAHRC) South London at King's College Hospital National Health Service Foundation Trust to S.E.S. The views expressed are those of the author(s) and not necessarily those of the Medical Research Council, National Health Service, the National Institute for Health Research, or the Department of Health. The AESOP (London, UK) cohort was funded by the UK Medical Research Council (Ref: G0500817). The Belfast (UK) cohort was funded by the Research and Development Office of Northern Ireland. The Bologna (Italy) cohort was funded by the European Community's Seventh Framework Program under grant agreement (agreement No.HEALTH-F2-2010–241909, Project EU-GEI). The GAP (London, UK) cohort was funded by the UK National Institute of Health Research(NIHR) Specialist Biomedical Research Centre for Mental Health, South London and Maudsley NHS Mental Health Foundation Trust (SLaM) and the Institute of Psychiatry, Psychology, and Neuroscience at King's College London; Psychiatry Research Trust; Maudsley Charity Research Fund; and the European Community's Seventh Framework Program grant (agreement No. HEALTH-F2-2009-241909, Project EU-GEI). The Lausanne (Switzerland) cohort was funded by the Swiss National Science Foundation (no. 320030_135736/1 to P.C. and K.Q.D., no 320030-120686, 324730-144064 and 320030-173211 to C.B.E and P.C., and no 171804 to LA); National Center of Competence in Research (NCCR) “SYNAPSY - The Synaptic Bases of Mental Diseases” from the Swiss National Science Foundation (no 51AU40_125759 to PC and KQD); and Fondation Alamaya (to KQD). The Oslo (Norway) cohort was funded by the Research Council of Norway (#223273/F50, under the Centers of Excellence funding scheme, #300309, #283798) and the South-Eastern Norway Regional Health Authority (#2006233, #2006258, #2011085, #2014102, #2015088 to IM, #2017-112). The Paris (France) cohort was funded by European Community's Seventh Framework Program grant (agreement No. HEALTH-F2-2010–241909, Project EU-GEI). The Prague (Czech Republic) cohort was funded by the Ministry of Health of the Czech Republic (Grant Number: NU20-04-00393). The Santander (Spain) cohort was funded by the following grants (to B.C.F): Instituto de Salud Carlos III, FIS 00/3095, PI020499, PI050427, PI060507, Plan Nacional de Drogas Research Grant 2005-Orden sco/3246/2004, and SENY Fundatio Research Grant CI 2005-0308007, Fundacion Marques de Valdecilla A/02/07 and API07/011. SAF2016-76046-R and SAF2013-46292-R (MINECO and FEDER). The West London (UK) cohort was funded The Wellcome Trust (Grant Number: 042025; 052247; 064607).
Published: 2022

9. Sex-Dependent Shared and Nonshared Genetic Architecture Across Mood and Psychotic Disorders

Author: Gabriëlla A.M. Blokland, Jakob Grove, Chia-Yen Chen, Chris Cotsapas, Stuart Tobet, Robert Handa, David St Clair, Todd Lencz, Bryan J. Mowry, Sathish Periyasamy, Murray J. Cairns, Paul A. Tooney, Jing Qin Wu, Brian Kelly, George Kirov, Patrick F. Sullivan, Aiden Corvin, Brien P. Riley, Tõnu Esko, Lili Milani, Erik G. Jönsson, Aarno Palotie, Hannelore Ehrenreich, Martin Begemann, Agnes Steixner-Kumar, Pak C. Sham, Nakao Iwata, Daniel R. Weinberger, Pablo V. Gejman, Alan R. Sanders, Joseph D. Buxbaum, Dan Rujescu, Ina Giegling, Bettina Konte, Annette M. Hartmann, Elvira Bramon, Robin M. Murray, Michele T. Pato, Jimmy Lee, Ingrid Melle, Espen Molden, Roel A. Ophoff, Andrew McQuillin, Nicholas J. Bass, Rolf Adolfsson, Anil K. Malhotra, Nicholas G. Martin, Janice M. Fullerton, Philip B. Mitchell, Peter R. Schofield, Andreas J. Forstner, Franziska Degenhardt, Sabrina Schaupp, Ashley L. Comes, Manolis Kogevinas, José Guzman-Parra, Andreas Reif, Fabian Streit, Lea Sirignano, Sven Cichon, Maria Grigoroiu-Serbanescu, Joanna Hauser, Jolanta Lissowska, Fermin Mayoral, Bertram Müller-Myhsok, Beata Świątkowska, Thomas G. Schulze, Markus M. Nöthen, Marcella Rietschel, John Kelsoe, Marion Leboyer, Stéphane Jamain, Bruno Etain, Frank Bellivier, John B. Vincent, Martin Alda, Claire O’Donovan, Pablo Cervantes, Joanna M. Biernacka, Mark Frye, Susan L. McElroy, Laura J. Scott, Eli A. Stahl, Mikael Landén, Marian L. Hamshere, Olav B. Smeland, Srdjan Djurovic, Arne E. Vaaler, Ole A. Andreassen, Bernhard T. Baune, Tracy Air, Martin Preisig, Rudolf Uher, Douglas F. Levinson, Myrna M. Weissman, James B. Potash, Jianxin Shi, James A. Knowles, Roy H. Perlis, Susanne Lucae, Dorret I. Boomsma, Brenda W.J.H. Penninx, Jouke-Jan Hottenga, Eco J.C. de Geus, Gonneke Willemsen, Yuri Milaneschi, Henning Tiemeier, Hans J. Grabe, Alexander Teumer, Sandra Van der Auwera, Uwe Völker, Steven P. Hamilton, Patrik K.E. Magnusson, Alexander Viktorin, Divya Mehta, Niamh Mullins, Mark J. Adams, Gerome Breen, Andrew M. McIntosh, Cathryn M. Lewis, David M. Hougaard, Merete Nordentoft, Ole Mors, Preben B. Mortensen, Thomas Werge, Thomas D. Als, Anders D. Børglum, Tracey L. Petryshen, Jordan W. Smoller, Jill M. Goldstein, Stephan Ripke, Benjamin M. Neale, James T.R. Walters, Kai-How Farh, Peter A. Holmans, Phil Lee, Brendan Bulik-Sullivan, David A. Collier, Hailiang Huang, Tune H. Pers, Ingrid Agartz, Esben Agerbo, Margot Albus, Madeline Alexander, Farooq Amin, Silviu A. Bacanu, Richard A. Belliveau, Judit Bene, Sarah E. Bergen, Elizabeth Bevilacqua, Tim B. Bigdeli, Donald W. Black, Richard Bruggeman, Nancy G. Buccola, Randy L. Buckner, William Byerley, Wiepke Cahn, Guiqing Cai, Dominique Campion, Rita M. Cantor, Vaughan J. Carr, Noa Carrera, Stanley V. Catts, Kimberly D. Chambert, Raymond C.K. Chan, Ronald Y.L. Chen, Eric Y.H. Chen, Wei Cheng, Eric F.C. Cheung, Siow Ann Chong, C. Robert Cloninger, David Cohen, Nadine Cohen, Paul Cormican, Nick Craddock, James J. Crowley, David Curtis, Michael Davidson, Kenneth L. Davis, Jurgen Del Favero, Ditte Demontis, Dimitris Dikeos, Timothy Dinan, Gary Donohoe, Elodie Drapeau, Jubao Duan, Frank Dudbridge, Naser Durmishi, Peter Eichhammer, Johan Eriksson, Valentina Escott-Price, Laurent Essioux, Ayman H. Fanous, Martilias S. Farrell, Josef Frank, Lude Franke, Robert Freedman, Nelson B. Freimer, Marion Friedl, Joseph I. Friedman, Menachem Fromer, Giulio Genovese, Lyudmila Georgieva, Paola Giusti-Rodríguez, Stephanie Godard, Jacqueline I. Goldstein, Vera Golimbet, Srihari Gopal, Jacob Gratten, Lieuwe de Haan, Christian Hammer, Mark Hansen, Thomas Hansen, Vahram Haroutunian, Frans A. Henskens, Stefan Herms, Joel N. Hirschhorn, Per Hoffmann, Andrea Hofman, Mads V. Hollegaard, Masashi Ikeda, Inge Joa, Antonio Julià, René S. Kahn, Luba Kalaydjieva, Sena Karachanak-Yankova, Juha Karjalainen, David Kavanagh, Matthew C. Keller, James L. Kennedy, Andrey Khrunin, Yunjung Kim, Janis Klovins, Vaidutis Kucinskas, Zita Ausrele Kucinskiene, Hana Kuzelova-Ptackova, Anna K. Kähler, Claudine Laurent, Jimmy Lee Chee Keong, S. Hong Lee, Sophie E. Legge, Bernard Lerer, Miaoxin Li, Tao Li, Kung-Yee Liang, Jeffrey Lieberman, Svetlana Limborska, Carmel M. Loughland, Jan Lubinski, Jouko Lönnqvist, Milan Macek, Brion S. Maher, Wolfgang Maier, Jacques Mallet, Sara Marsal, Manuel Mattheisen, Morten Mattingsdal, Robert W. McCarley, Colm McDonald, Sandra Meier, Carin J. Meijer, Bela Melegh, Raquelle I. Mesholam-Gately, Andres Metspalu, Patricia T. Michie, Vihra Milanova, Younes Mokrab, Derek W. Morris, Kieran C. Murphy, Inez Myin-Germeys, Mari Nelis, Igor Nenadic, Deborah A. Nertney, Gerald Nestadt, Kristin K. Nicodemus, Liene Nikitina-Zake, Laura Nisenbaum, Annelie Nordin, Eadbhard O’Callaghan, Colm O’Dushlaine, F. Anthony O’Neill, Sang-Yun Oh, Ann Olincy, Line Olsen, Jim Van Os, Christos Pantelis, George N. Papadimitriou, Sergi Papiol, Elena Parkhomenko, Tiina Paunio, Milica Pejovic-Milovancevic, Diana O. Perkins, Olli Pietiläinen, Jonathan Pimm, Andrew J. Pocklington, John Powell, Alkes Price, Ann E. Pulver, Shaun M. Purcell, Digby Quested, Henrik B. Rasmussen, Abraham Reichenberg, Mark A. Reimers, Alexander L. Richards, Joshua L. Roffman, Panos Roussos, Douglas M. Ruderfer, Veikko Salomaa, Ulrich Schall, Christian R. Schubert, Sibylle G. Schwab, Edward M. Scolnick, Rodney J. Scott, Larry J. Seidman, Engilbert Sigurdsson, Teimuraz Silagadze, Jeremy M. Silverman, Kang Sim, Petr Slominsky, Hon-Cheong So, Chris C.A. Spencer, Hreinn Stefansson, Stacy Steinberg, Elisabeth Stogmann, Richard E. Straub, Eric Strengman, Jana Strohmaier, T. Scott Stroup, Mythily Subramaniam, Jaana Suvisaari, Dragan M. Svrakic, Jin P. Szatkiewicz, Erik Söderman, Srinivas Thirumalai, Draga Toncheva, Sarah Tosato, Juha Veijola, John Waddington, Dermot Walsh, Dai Wang, Qiang Wang, Bradley T. Webb, Mark Weiser, Dieter B. Wildenauer, Nigel M. Williams, Stephanie Williams, Stephanie H. Witt, Aaron R. Wolen, Emily H.M. Wong, Brandon K. Wormley, Hualin Simon Xi, Clement C. Zai, Xuebin Zheng, Fritz Zimprich, Naomi R. Wray, Kari Stefansson, Peter M. Visscher, Douglas H.R. Blackwood, Ariel Darvasi, Enrico Domenici, Michael Gill, Hugh Gurling, Christina M. Hultman, Assen V. Jablensky, Kenneth S. Kendler, Jo Knight, Qingqin S. Li, Jianjun Liu, Steven A. McCarroll, Jennifer L. Moran, Michael J. Owen, Carlos N. Pato, Danielle Posthuma, Pamela Sklar, Jens R. Wendland, Mark J. Daly, Michael C. O’Donovan, Peter Donnelly, Ines Barroso, Jenefer M. Blackwell, Matthew A. Brown, Juan P. Casas, Panos Deloukas, Audrey Duncanson, Janusz Jankowski, Hugh S. Markus, Christopher G. Mathew, Colin N.A. Palmer, Robert Plomin, Anna Rautanen, Stephen J. Sawcer, Richard C. Trembath, Ananth C. Viswanathan, Nicholas W. Wood, Gavin Band, Céline Bellenguez, Colin Freeman, Eleni Giannoulatou, Garrett Hellenthal, Richard Pearson, Matti Pirinen, Amy Strange, Zhan Su, Damjan Vukcevic, Cordelia Langford, Hannah Blackburn, Suzannah J. Bumpstead, Serge Dronov, Sarah Edkins, Matthew Gillman, Emma Gray, Rhian Gwilliam, Naomi Hammond, Sarah E. Hunt, Alagurevathi Jayakumar, Jennifer Liddle, Owen T. McCann, Simon C. Potter, Radhi Ravindrarajah, Michelle Ricketts, Avazeh Tashakkori-Ghanbaria, Matthew Waller, Paul Weston, Pamela Whittaker, Sara Widaa, Mark I. McCarthy, Maria J. Arranz, Steven Bakker, Stephan Bender, Benedicto Crespo-Facorro, Jeremy Hall, Conrad Iyegbe, Stephen Lawrie, Kuang Lin, Don H. Linszen, Ignacio Mata, Muriel Walshe, Matthias Weisbrod, Durk Wiersma, Vassily Trubetskoy, Yunpeng Wang, Jonathan R.I. Coleman, Héléna A. Gaspar, Christiaan A. de Leeuw, Jennifer M. Whitehead Pavlides, Maciej Trzaskowski, Enda M. Byrne, Liam Abbott, Huda Akil, Diego Albani, Ney Alliey-Rodriguez, Adebayo Anjorin, Verneri Antilla, Swapnil Awasthi, Judith A. Badner, Marie Bækvad-Hansen, Jack D. Barchas, Nicholas Bass, Michael Bauer, Richard Belliveau, Carsten Bøcker Pedersen, Erlend Bøen, Marco P. Boks, James Boocock, Monika Budde, William Bunney, Margit Burmeister, Jonas Bybjerg-Grauholm, Miquel Casas, Felecia Cerrato, Kimberly Chambert, Alexander W. Charney, Danfeng Chen, Claire Churchhouse, Toni-Kim Clarke, William Coryell, David W. Craig, Cristiana Cruceanu, Piotr M. Czerski, Anders M. Dale, Simone de Jong, Jurgen Del-Favero, J. Raymond DePaulo, Amanda L. Dobbyn, Ashley Dumont, Torbjørn Elvsåshagen, Chun Chieh Fan, Sascha B. Fischer, Matthew Flickinger, Tatiana M. Foroud, Liz Forty, Christine Fraser, Katrin Gade, Diane Gage, Julie Garnham, Claudia Giambartolomei, Marianne Giørtz Pedersen, Jaqueline Goldstein, Scott D. Gordon, Katherine Gordon-Smith, Elaine K. Green, Melissa J. Green, Tiffany A. Greenwood, Weihua Guan, Martin Hautzinger, Urs Heilbronner, Maria Hipolito, Dominic Holland, Laura Huckins, Jessica S. Johnson, Radhika Kandaswamy, Robert Karlsson, Sarah Kittel-Schneider, Anna C. Koller, Ralph Kupka, Catharina Lavebratt, Jacob Lawrence, William B. Lawson, Markus Leber, Phil H. Lee, Shawn E. Levy, Jun Z. Li, Chunyu Liu, Anna Maaser, Donald J. MacIntyre, Pamela B. Mahon, Lina Martinsson, Steve McCarroll, Peter McGuffin, Melvin G. McInnis, James D. McKay, Helena Medeiros, Sarah E. Medland, Fan Meng, Grant W. Montgomery, Thomas W. Mühleisen, Hoang Nguyen, Caroline M. Nievergelt, Annelie Nordin Adolfsson, Evaristus A. Nwulia, Claire O'Donovan, Loes M. Olde Loohuis, Anil P.S. Ori, Lilijana Oruc, Urban Ösby, Amy Perry, Andrea Pfennig, Eline J. Regeer, Céline S. Reinbold, John P. Rice, Fabio Rivas, Margarita Rivera, Euijung Ryu, Cristina Sánchez-Mora, Alan F. Schatzberg, William A. Scheftner, Nicholas J. Schork, Cynthia Shannon Weickert, Tatyana Shehktman, Paul D. Shilling, Claire Slaney, Janet L. Sobell, Christine Søholm Hansen, Anne T. Spijker, Michael Steffens, John S. Strauss, Szabolcs Szelinger, Robert C. Thompson, Thorgeir E. Thorgeirsson, Jens Treutlein, Helmut Vedder, Weiqing Wang, Stanley J. Watson, Thomas W. Weickert, Simon Xi, Wei Xu, Allan H. Young, Peter Zandi, Peng Zhang, Sebastian Zöllner, Abdel Abdellaoui, Tracy M. Air, Till F.M. Andlauer, Silviu-Alin Bacanu, Aartjan T.F. Beekman, Elisabeth B. Binder, Julien Bryois, Henriette N. Buttenschøn, Na Cai, Enrique Castelao, Jane Hvarregaard Christensen, Lucía Colodro-Conde, Baptiste Couvy-Duchesne, Gregory E. Crawford, Gail Davies, Ian J. Deary, Eske M. Derks, Nese Direk, Conor V. Dolan, Erin C. Dunn, Thalia C. Eley, Farnush Farhadi Hassan Kiadeh, Hilary K. Finucane, Jerome C. Foo, Fernando S. Goes, Lynsey S. Hall, Thomas F. Hansen, Ian B. Hickie, Georg Homuth, Carsten Horn, David M. Howard, Marcus Ising, Rick Jansen, Ian Jones, Lisa A. Jones, Eric Jorgenson, Isaac S. Kohane, Julia Kraft, Warren W. Kretzschmar, Zoltán Kutalik, Yihan Li, Penelope A. Lind, Dean F. MacKinnon, Robert M. Maier, Jonathan Marchini, Hamdi Mbarek, Patrick McGrath, Christel M. Middeldorp, Evelin Mihailov, Francis M. Mondimore, Sara Mostafavi, Matthias Nauck, Bernard Ng, Michel G. Nivard, Dale R. Nyholt, Paul F. O'Reilly, Hogni Oskarsson, Jodie N. Painter, Roseann E. Peterson, Wouter J. Peyrot, Giorgio Pistis, Jorge A. Quiroz, Per Qvist, Saira Saeed Mirza, Robert Schoevers, Eva C. Schulte, Ling Shen, Stanley I. Shyn, Grant C.B. Sinnamon, Johannes H. Smit, Daniel J. Smith, Katherine E. Tansey, Henning Teismann, Wesley Thompson, Pippa A. Thomson, Matthew Traylor, André G. Uitterlinden, Daniel Umbricht, Albert M. van Hemert, Shantel Marie Weinsheimer, Jürgen Wellmann, Yang Wu, Hualin S. Xi, Jian Yang, Futao Zhang, Volker Arolt, Klaus Berger, Udo Dannlowski, Katharina Domschke, Caroline Hayward, Andrew C. Heath, Stefan Kloiber, Glyn Lewis, Pamela AF. Madden, Patrik K. Magnusson, Preben Bo Mortensen, Michael C. O'Donovan, Sara A. Paciga, Nancy L. Pedersen, David J. Porteous, Catherine Schaefer, Henry Völzke, Marco Bortolato, Janita Bralten, Cynthia M. Bulik, Christie L. Burton, Caitlin E. Carey, Lea K. Davis, Laramie E. Duncan, Howard J. Edenberg, Lauren Erdman, Stephen V. Faraone, Slavina B. Goleva, Wei Guo, Christopher Hübel, Laura M. Huckins, Ekaterina A. Khramtsova, Joanna Martin, Carol A. Mathews, Elise Robinson, Eli Stahl, Barbara E. Stranger, Michela Traglia, Raymond K. Walters, Lauren A. Weiss, Stacey J. Winham, Yin Yao, Kristjar Skajaa, Markus Nöthen, Michael Owen, Robert H. Yolken, Niels Plath, Jonathan Mill, Daniel Geschwind, Psychiatry 1, RS: MHeNs - R2 - Mental Health, Psychiatrie & Neuropsychologie, Centre of Excellence in Complex Disease Genetics, Research Programme of Molecular Medicine, Research Programs Unit, Aarno Palotie / Principal Investigator, Institute for Molecular Medicine Finland, Genomics of Neurological and Neuropsychiatric Disorders, Functional Genomics, Biological Psychology, APH - Mental Health, APH - Methodology, Sociology and Social Gerontology, APH - Personalized Medicine, APH - Health Behaviors & Chronic Diseases, Blokland, Gabriella AM, Grove, Jakob, Chen, Chia Yen, Cotsapas, Chris, Tobet, Stuart, Handa, Robert, Lee, Sang Hong, Schizophrenia Working Group of the Psychiatric Genomics Consortium, Bipolar Disorder Working Group of the Psychiatric Genomics Consortium, Major Depressive Disorder Working Group of the Psychiatric Genomics Consortium, Sex Differences Cross-Disorder Analysis Group of the Psychiatric Genomics Consortium, iPSYCH, Psychiatry, Amsterdam Neuroscience - Complex Trait Genetics, Amsterdam Neuroscience - Mood, Anxiety, Psychosis, Stress & Sleep, Human genetics, Amsterdam Neuroscience - Compulsivity, Impulsivity & Attention, Amsterdam Reproduction & Development (AR&D), Child and Adolescent Psychiatry / Psychology, Adult Psychiatry, ANS - Complex Trait Genetics, and ANS - Mood, Anxiety, Psychosis, Stress & Sleep
Subjects: 0301 basic medicine, Male, Bipolar Disorder, Schizophrenia/genetics, LD SCORE REGRESSION, Genome-wide association study, 0302 clinical medicine, Receptors, SCHIZOPHRENIA, Psychotic Disorders/genetics, KYNURENINE PATHWAY METABOLISM, Genetics, RISK, Sex Characteristics, Vascular Endothelial Growth Factor, Bipolar Disorder/genetics, Major/genetics, Single Nucleotide, AFFECTIVE STIMULI IMPACT, Schizophrenia, Sulfurtransferases, Major depressive disorder, Female, Depressive Disorder, Major/genetics, Bipolar disorder, Locus (genetics), Genomics, Biology, Polymorphism, Single Nucleotide, Article, DYSPHORIC MOOD, 03 medical and health sciences, Sex differences, medicine, Humans, Genetic Predisposition to Disease, ddc:610, Polymorphism, GENOME-WIDE ASSOCIATION, Genotype-by-sex interaction, Biological Psychiatry, Depressive Disorder, Major, Depressive Disorder, GENDER-DIFFERENCES, Neurodevelopmental disorders Donders Center for Medical Neuroscience [Radboudumc 7], PARAVENTRICULAR NUCLEUS, 3112 Neurosciences, Endothelial Cells, MAJOR DEPRESSION, medicine.disease, Genetic architecture, 030104 developmental biology, Mood, Receptors, Vascular Endothelial Growth Factor, Psychotic Disorders, 3111 Biomedicine, 030217 neurology & neurosurgery, Genome-Wide Association Study
Abstract: Contains fulltext : 248656.pdf (Publisher’s version ) (Closed access) BACKGROUND: Sex differences in incidence and/or presentation of schizophrenia (SCZ), major depressive disorder (MDD), and bipolar disorder (BIP) are pervasive. Previous evidence for shared genetic risk and sex differences in brain abnormalities across disorders suggest possible shared sex-dependent genetic risk. METHODS: We conducted the largest to date genome-wide genotype-by-sex (G×S) interaction of risk for these disorders using 85,735 cases (33,403 SCZ, 19,924 BIP, and 32,408 MDD) and 109,946 controls from the PGC (Psychiatric Genomics Consortium) and iPSYCH. RESULTS: Across disorders, genome-wide significant single nucleotide polymorphism-by-sex interaction was detected for a locus encompassing NKAIN2 (rs117780815, p = 3.2 × 10(-8)), which interacts with sodium/potassium-transporting ATPase (adenosine triphosphatase) enzymes, implicating neuronal excitability. Three additional loci showed evidence (p < 1 × 10(-6)) for cross-disorder G×S interaction (rs7302529, p = 1.6 × 10(-7); rs73033497, p = 8.8 × 10(-7); rs7914279, p = 6.4 × 10(-7)), implicating various functions. Gene-based analyses identified G×S interaction across disorders (p = 8.97 × 10(-7)) with transcriptional inhibitor SLTM. Most significant in SCZ was a MOCOS gene locus (rs11665282, p = 1.5 × 10(-7)), implicating vascular endothelial cells. Secondary analysis of the PGC-SCZ dataset detected an interaction (rs13265509, p = 1.1 × 10(-7)) in a locus containing IDO2, a kynurenine pathway enzyme with immunoregulatory functions implicated in SCZ, BIP, and MDD. Pathway enrichment analysis detected significant G×S interaction of genes regulating vascular endothelial growth factor receptor signaling in MDD (false discovery rate-corrected p < .05). CONCLUSIONS: In the largest genome-wide G×S analysis of mood and psychotic disorders to date, there was substantial genetic overlap between the sexes. However, significant sex-dependent effects were enriched for genes related to neuronal development and immune and vascular functions across and within SCZ, BIP, and MDD at the variant, gene, and pathway levels.
Published: 2022

10. Dissecting the Shared Genetic Architecture of Suicide Attempt, Psychiatric Disorders, and Known Risk Factors

Author: Niamh Mullins, JooEun Kang, Adrian I. Campos, Jonathan R.I. Coleman, Alexis C. Edwards, Hanga Galfalvy, Daniel F. Levey, Adriana Lori, Andrey Shabalin, Anna Starnawska, Mei-Hsin Su, Hunna J. Watson, Mark Adams, Swapnil Awasthi, Michael Gandal, Jonathan D. Hafferty, Akitoyo Hishimoto, Minsoo Kim, Satoshi Okazaki, Ikuo Otsuka, Stephan Ripke, Erin B. Ware, Andrew W. Bergen, Wade H. Berrettini, Martin Bohus, Harry Brandt, Xiao Chang, Wei J. Chen, Hsi-Chung Chen, Steven Crawford, Scott Crow, Emily DiBlasi, Philibert Duriez, Fernando Fernández-Aranda, Manfred M. Fichter, Steven Gallinger, Stephen J. Glatt, Philip Gorwood, Yiran Guo, Hakon Hakonarson, Katherine A. Halmi, Hai-Gwo Hwu, Sonia Jain, Stéphane Jamain, Susana Jiménez-Murcia, Craig Johnson, Allan S. Kaplan, Walter H. Kaye, Pamela K. Keel, James L. Kennedy, Kelly L. Klump, Dong Li, Shih-Cheng Liao, Klaus Lieb, Lisa Lilenfeld, Chih-Min Liu, Pierre J. Magistretti, Christian R. Marshall, James E. Mitchell, Eric T. Monson, Richard M. Myers, Dalila Pinto, Abigail Powers, Nicolas Ramoz, Stefan Roepke, Vsevolod Rozanov, Stephen W. Scherer, Christian Schmahl, Marcus Sokolowski, Michael Strober, Laura M. Thornton, Janet Treasure, Ming T. Tsuang, Stephanie H. Witt, D. Blake Woodside, Zeynep Yilmaz, Lea Zillich, Rolf Adolfsson, Ingrid Agartz, Tracy M. Air, Martin Alda, Lars Alfredsson, Ole A. Andreassen, Adebayo Anjorin, Vivek Appadurai, María Soler Artigas, Sandra Van der Auwera, M. Helena Azevedo, Nicholas Bass, Claiton H.D. Bau, Bernhard T. Baune, Frank Bellivier, Klaus Berger, Joanna M. Biernacka, Tim B. Bigdeli, Elisabeth B. Binder, Michael Boehnke, Marco P. Boks, Rosa Bosch, David L. Braff, Richard Bryant, Monika Budde, Enda M. Byrne, Wiepke Cahn, Miguel Casas, Enrique Castelao, Jorge A. Cervilla, Boris Chaumette, Sven Cichon, Aiden Corvin, Nicholas Craddock, David Craig, Franziska Degenhardt, Srdjan Djurovic, Howard J. Edenberg, Ayman H. Fanous, Jerome C. Foo, Andreas J. Forstner, Mark Frye, Janice M. Fullerton, Justine M. Gatt, Pablo V. Gejman, Ina Giegling, Hans J. Grabe, Melissa J. Green, Eugenio H. Grevet, Maria Grigoroiu-Serbanescu, Blanca Gutierrez, Jose Guzman-Parra, Steven P. Hamilton, Marian L. Hamshere, Annette Hartmann, Joanna Hauser, Stefanie Heilmann-Heimbach, Per Hoffmann, Marcus Ising, Ian Jones, Lisa A. Jones, Lina Jonsson, René S. Kahn, John R. Kelsoe, Kenneth S. Kendler, Stefan Kloiber, Karestan C. Koenen, Manolis Kogevinas, Bettina Konte, Marie-Odile Krebs, Mikael Landén, Jacob Lawrence, Marion Leboyer, Phil H. Lee, Douglas F. Levinson, Calwing Liao, Jolanta Lissowska, Susanne Lucae, Fermin Mayoral, Susan L. McElroy, Patrick McGrath, Peter McGuffin, Andrew McQuillin, Sarah E. Medland, Divya Mehta, Ingrid Melle, Yuri Milaneschi, Philip B. Mitchell, Esther Molina, Gunnar Morken, Preben Bo Mortensen, Bertram Müller-Myhsok, Caroline Nievergelt, Vishwajit Nimgaonkar, Markus M. Nöthen, Michael C. O’Donovan, Roel A. Ophoff, Michael J. Owen, Carlos Pato, Michele T. Pato, Brenda W.J.H. Penninx, Jonathan Pimm, Giorgio Pistis, James B. Potash, Robert A. Power, Martin Preisig, Digby Quested, Josep Antoni Ramos-Quiroga, Andreas Reif, Marta Ribasés, Vanesa Richarte, Marcella Rietschel, Margarita Rivera, Andrea Roberts, Gloria Roberts, Guy A. Rouleau, Diego L. Rovaris, Dan Rujescu, Cristina Sánchez-Mora, Alan R. Sanders, Peter R. Schofield, Thomas G. Schulze, Laura J. Scott, Alessandro Serretti, Jianxin Shi, Stanley I. Shyn, Lea Sirignano, Pamela Sklar, Olav B. Smeland, Jordan W. Smoller, Edmund J.S. Sonuga-Barke, Gianfranco Spalletta, John S. Strauss, Beata Świątkowska, Maciej Trzaskowski, Gustavo Turecki, Laura Vilar-Ribó, John B. Vincent, Henry Völzke, James T.R. Walters, Cynthia Shannon Weickert, Thomas W. Weickert, Myrna M. Weissman, Leanne M. Williams, Naomi R. Wray, Clement C. Zai, Allison E. Ashley-Koch, Jean C. Beckham, Elizabeth R. Hauser, Michael A. Hauser, Nathan A. Kimbrel, Jennifer H. Lindquist, Benjamin McMahon, David W. Oslin, Xuejun Qin, Esben Agerbo, Anders D. Børglum, Gerome Breen, Annette Erlangsen, Tõnu Esko, Joel Gelernter, David M. Hougaard, Ronald C. Kessler, Henry R. Kranzler, Qingqin S. Li, Nicholas G. Martin, Andrew M. McIntosh, Ole Mors, Merete Nordentoft, Catherine M. Olsen, David Porteous, Robert J. Ursano, Danuta Wasserman, Thomas Werge, David C. Whiteman, Cynthia M. Bulik, Hilary Coon, Ditte Demontis, Anna R. Docherty, Po-Hsiu Kuo, Cathryn M. Lewis, J. John Mann, Miguel E. Rentería, Daniel J. Smith, Eli A. Stahl, Murray B. Stein, Fabian Streit, Virginia Willour, Douglas M. Ruderfer, Manuel Mattheisen, Abdel Abdellaoui, Mark J. Adams, Till F.M. Andlauer, Silviu-Alin Bacanu, Marie Bækvad-Hansen, Aartjan T.F. Beekman, Julien Bryois, Henriette N. Buttenschøn, Jonas Bybjerg-Grauholm, Na Cai, Jane Hvarregaard Christensen, Toni-Kim Clarke, Lucía Colodro-Conde, Baptiste Couvy-Duchesne, Nick Craddock, Gregory E. Crawford, Gail Davies, Eske M. Derks, Nese Direk, Conor V. Dolan, Erin C. Dunn, Thalia C. Eley, Valentina Escott-Price, Farnush Farhadi Hassan Kiadeh, Hilary K. Finucane, Josef Frank, Héléna A. Gaspar, Michael Gill, Fernando S. Goes, Scott D. Gordon, Shantel Marie Weinsheimer, Jürgen Wellmann, Gonneke Willemsen, Yang Wu, Hualin S. Xi, Jian Yang, Futao Zhang, Volker Arolt, Dorret I. Boomsma, Udo Dannlowski, E.J.C. de Geus, J. Raymond Depaulo, Enrico Domenici, Katharina Domschke, Jakob Grove, Lynsey S. Hall, Christine Søholm Hansen, Thomas F. Hansen, Stefan Herms, Ian B. Hickie, Georg Homuth, Carsten Horn, Jouke-Jan Hottenga, David M. Howard, Rick Jansen, Eric Jorgenson, James A. Knowles, Isaac S. Kohane, Julia Kraft, Warren W. Kretzschmar, Zoltán Kutalik, Yihan Li, Penelope A. Lind, Donald J. MacIntyre, Dean F. MacKinnon, Robert M. Maier, Wolfgang Maier, Jonathan Marchini, Hamdi Mbarek, Christel M. Middeldorp, Evelin Mihailov, Lili Milani, Francis M. Mondimore, Grant W. Montgomery, Sara Mostafavi, Matthias Nauck, Bernard Ng, Michel G. Nivard, Dale R. Nyholt, Paul F. O’Reilly, Hogni Oskarsson, Caroline Hayward, Andrew C. Heath, Glyn Lewis, Pamela A.F. Madden, Patrik K. Magnusson, Andres Metspalu, Sara A. Paciga, Nancy L. Pedersen, Jodie N. Painter, Carsten Bøcker Pedersen, Marianne Giørtz Pedersen, Roseann E. Peterson, Wouter J. Peyrot, Danielle Posthuma, Jorge A. Quiroz, Per Qvist, John P. Rice, Brien P. Riley, Saira Saeed Mirza, Robert Schoevers, Eva C. Schulte, Ling Shen, Engilbert Sigurdsson, Grant C.B. Sinnamon, Johannes H. Smit, Hreinn Stefansson, Stacy Steinberg, Jana Strohmaier, Katherine E. Tansey, Henning Teismann, Alexander Teumer, Wesley Thompson, Pippa A. Thomson, Thorgeir E. Thorgeirsson, Matthew Traylor, Jens Treutlein, Vassily Trubetskoy, André G. Uitterlinden, Daniel Umbricht, Albert M. van Hemert, Alexander Viktorin, Peter M. Visscher, Yunpeng Wang, Bradley T. Webb, Roy H. Perlis, David J. Porteous, Catherine Schaefer, Kari Stefansson, Henning Tiemeier, Rudolf Uher, Patrick F. Sullivan, Kevin S. O’Connell, Brandon Coombes, Zhen Qiao, Thomas D. Als, Sigrid Børte, Alexander W. Charney, Ole Kristian Drange, Michael J. Gandal, Saskia P. Hagenaars, Masashi Ikeda, Nolan Kamitaki, Kristi Krebs, Georgia Panagiotaropoulou, Brian M. Schilder, Laura G. Sloofman, Bendik S. Winsvold, Hong-Hee Won, Liliya Abramova, Kristina Adorjan, Mariam Al Eissa, Diego Albani, Ney Alliey-Rodriguez, Verneri Antilla, Anastasia Antoniou, Ji Hyun Baek, Michael Bauer, Eva C. Beins, Sarah E. Bergen, Armin Birner, Erlend Bøen, Murielle Brum, Ben M. Brumpton, Nathalie Brunkhorst-Kanaan, William Byerley, Murray Cairns, Miquel Casas, Pablo Cervantes, Cristiana Cruceanu, Alfredo Cuellar-Barboza, Julie Cunningham, David Curtis, Piotr M. Czerski, Anders M. Dale, Nina Dalkner, Friederike S. David, Amanda L. Dobbyn, Athanassios Douzenis, Torbjørn Elvsåshagen, I. Nicol Ferrier, Alessia Fiorentino, Tatiana M. Foroud, Liz Forty, Oleksandr Frei, Nelson B. Freimer, Louise Frisén, Katrin Gade, Julie Garnham, Ian R. Gizer, Katherine Gordon-Smith, Tiffany A. Greenwood, José Guzman-Parra, Kyooseob Ha, Magnus Haraldsson, Martin Hautzinger, Urs Heilbronner, Dennis Hellgren, Peter A. Holmans, Laura Huckins, Jessica S. Johnson, Janos L. Kalman, Yoichiro Kamatani, Sarah Kittel-Schneider, Maria Koromina, Thorsten M. Kranz, Michiaki Kubo, Ralph Kupka, Steven A. Kushner, Catharina Lavebratt, Markus Leber, Heon-Jeong Lee, Shawn E. Levy, Catrin Lewis, Martin Lundberg, Sigurdur H. Magnusson, Adam Maihofer, Dolores Malaspina, Eirini Maratou, Lina Martinsson, Nathaniel W. McGregor, James D. McKay, Helena Medeiros, Vincent Millischer, Jennifer L. Moran, Derek W. Morris, Thomas W. Mühleisen, Niamh O’Brien, Claire O’Donovan, Loes M. Olde Loohuis, Lilijana Oruc, Sergi Papiol, Antonio F. Pardiñas, Amy Perry, Andrea Pfennig, Evgenia Porichi, Towfique Raj, Mark H. Rapaport, J. Raymond DePaulo, Eline J. Regeer, Fabio Rivas, Julian Roth, Panos Roussos, Fanny Senner, Sally Sharp, Paul D. Shilling, Claire Slaney, Janet L. Sobell, Maria Soler Artigas, Anne T. Spijker, Dan J. Stein, Chikashi Terao, Claudio Toma, Paul Tooney, Evangelia-Eirini Tsermpini, Marquis P. Vawter, Helmut Vedder, Simon Xi, Wei Xu, Jessica Mei Kay Yang, Allan H. Young, Hannah Young, Peter P. Zandi, Hang Zhou, null HUNT All-In Psychiatry, Gulja Babadjanova, Lena Backlund, Susanne Bengesser, Douglas H.R. Blackwood, Vaughan J. Carr, Stanley Catts, Dimitris Dikeos, Bruno Etain, Panagiotis Ferentinos, Micha Gawlik, Elliot S. Gershon, Frans Henskens, Jan Hillert, Kyung Sue Hong, Christina M. Hultman, Kristian Hveem, Nakao Iwata, Assen V. Jablensky, George Kirov, Christine Lochner, Carmel Loughland, Carol A. Mathews, Francis J. McMahon, Patricia Michie, Bryan Mowry, Benjamin M. Neale, Caroline M. Nievergelt, Ketil J. Oedegaard, Tomas Olsson, Chris Pantelis, George P. Patrinos, Eva Z. Reininghaus, Takeo Saito, Ulrich Schall, Martin Schalling, Rodney J. Scott, Eystein Stordal, Arne E. Vaaler, Eduard Vieta, Irwin D. Waldman, John-Anker Zwart, John I. Nurnberger, Arianna Di Florio, Roger A.H. Adan, Tetsuya Ando, Harald Aschauer, Jessica H. Baker, Vladimir Bencko, Andreas Birgegård, Joseph M. Boden, Ilka Boehm, Claudette Boni, Vesna Boraska Perica, Katharina Buehren, Roland Burghardt, Laura Carlberg, Matteo Cassina, Maurizio Clementi, Roger D. Cone, Philippe Courtet, James J. Crowley, Unna N. Danner, Oliver S.P. Davis, Martina de Zwaan, George Dedoussis, Daniela Degortes, Janiece E. DeSocio, Danielle M. Dick, Christian Dina, Monika Dmitrzak-Weglarz, Elisa Docampo Martinez, Laramie E. Duncan, Karin Egberts, Morten Mattingsdal, Sara McDevitt, Ingrid Meulenbelt, Nadia Micali, James Mitchell, Karen Mitchell, Palmiero Monteleone, Alessio Maria Monteleone, Melissa A. Munn-Chernoff, Benedetta Nacmias, Marie Navratilova, Ioanna Ntalla, Julie K. 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J., Wasserman, D., Coon, H., Demontis, D., Docherty, A. R., Kuo, P. -H., Mann, J. J., Renteria, M. E., Stein, M. B., Willour, V., Psychiatry, Biological Psychology, APH - Methodology, APH - Mental Health, APH - Health Behaviors & Chronic Diseases, AMS - Sports, AMS - Ageing & Vitality, APH - Personalized Medicine, Amsterdam Neuroscience - Complex Trait Genetics, Complex Trait Genetics, Institute for Molecular Medicine Finland, Centre of Excellence in Complex Disease Genetics, Aarno Palotie / Principal Investigator, Genomics of Neurological and Neuropsychiatric Disorders, HUS Psychiatry, Department of Public Health, Clinicum, Nuorisopsykiatria, Faculty Common Matters (Faculty of Social Sciences), Samuli Olli Ripatti / Principal Investigator, Complex Disease Genetics, Biostatistics Helsinki, Anna Keski-Rahkonen / Principal Investigator, Elisabeth Ingrid Maria Widen / Principal Investigator, Genomic Discoveries and Clinical Translation, Internal medicine, Amsterdam Neuroscience - Mood, Anxiety, Psychosis, Stress & Sleep, APH - Digital Health, Mullins N., Kang J., Campos A.I., Coleman J.R.I., Edwards 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Nyholt D.R., O'Reilly P.F., Oskarsson H., Hayward C., Heath A.C., Lewis G., Li Q.S., Madden P.A.F., Magnusson P.K., Martin N.G., McIntosh A.M., Metspalu A., Mors O., Nordentoft M., Paciga S.A., Pedersen N.L., Painter J.N., Pedersen C.B., Pedersen M.G., Peterson R.E., Peyrot W.J., Posthuma D., Quiroz J.A., Qvist P., Rice J.P., Riley B.P., Mirza S.S., Schoevers R., Schulte E.C., Shen L., Sigurdsson E., Sinnamon G.C.B., Smit J.H., Smith D.J., Stefansson H., Steinberg S., Streit F., Strohmaier J., Tansey K.E., Teismann H., Teumer A., Thompson W., Thomson P.A., Thorgeirsson T.E., Traylor M., Treutlein J., Trubetskoy V., Uitterlinden A.G., Umbricht D., der Auwera S.V., van Hemert A.M., Viktorin A., Visscher P.M., Wang Y., Webb B.T., Perlis R.H., Porteous D.J., Schaefer C., Stefansson K., Tiemeier H., Uher R., Werge T., Lewis C.M., Breen G., Borglum A.D., Sullivan P.F., O'Connell K.S., Coombes B., Qiao Z., Als T.D., Borte S., Charney A.W., Drange O.K., Gandal M.J., Hagenaars S.P., Ikeda M., Kamitaki N., Krebs K., Panagiotaropoulou G., Schilder B.M., Sloofman L.G., Winsvold B.S., Won H.-H., Abramova L., Adorjan K., Al Eissa M., Albani D., Alliey-Rodriguez N., Antilla V., Antoniou A., Baek J.H., Bauer M., Beins E.C., Bergen S.E., Birner A., Boen E., Brum M., Brumpton B.M., Brunkhorst-Kanaan N., Byerley W., Cairns M., Cervantes P., Cruceanu C., Cuellar-Barboza A., Cunningham J., Curtis D., Czerski P.M., Dale A.M., Dalkner N., David F.S., Dobbyn A.L., Douzenis A., Elvsashagen T., Ferrier I.N., Fiorentino A., Foroud T.M., Forty L., Frei O., Freimer N.B., Frisen L., Gade K., Garnham J., Gelernter J., Gizer I.R., Gordon-Smith K., Greenwood T.A., Ha K., Haraldsson M., Hautzinger M., Heilbronner U., Hellgren D., Holmans P.A., Huckins L., Johnson J.S., Kalman J.L., Kamatani Y., Kittel-Schneider S., Koromina M., Kranz T.M., Kranzler H.R., Kubo M., Kupka R., Kushner S.A., Lavebratt C., Leber M., Lee H.-J., Levy S.E., Lewis C., Lundberg M., Magnusson S.H., Maihofer A., Malaspina D., Maratou E., Martinsson L., McGregor N.W., McKay J.D., Medeiros H., Millischer V., Moran J.L., Morris D.W., Muhleisen T.W., O'Brien N., O'Donovan C., Olde Loohuis L.M., Oruc L., Papiol S., Pardinas A.F., Perry A., Pfennig A., Porichi E., Raj T., Rapaport M.H., Regeer E.J., Rivas F., Roth J., Roussos P., Ruderfer D.M., Senner F., Sharp S., Shilling P.D., Slaney C., Sobell J.L., Artigas M.S., Spijker A.T., Stein D.J., Terao C., Toma C., Tooney P., Tsermpini E.-E., Vawter M.P., Vedder H., Xi S., Xu W., Kay Yang J.M., Young A.H., Young H., Zandi P.P., Zhou H., HUNT All-In Psychiatry, Babadjanova G., Backlund L., Bengesser S., Blackwood D.H.R., Carr V.J., Catts S., Dikeos D., Etain B., Ferentinos P., Gawlik M., Gershon E.S., Henskens F., Hillert J., Hong K.S., Hultman C.M., Hveem K., Iwata N., Jablensky A.V., Kirov G., Lochner C., Loughland C., Mathews C.A., McMahon F.J., Michie P., Mowry B., Neale B.M., Nievergelt C.M., Oedegaard K.J., Olsson T., Pantelis C., Patrinos G.P., Reininghaus E.Z., Saito T., Schall U., Schalling M., Scott R.J., Weickert C.S., Stordal E., Vaaler A.E., Vieta E., Waldman I.D., Zwart J.-A., Nurnberger J.I., Stahl E.A., Di Florio A., Adan R.A.H., Ando T., Aschauer H., Baker J.H., Bencko V., Birgegard A., Boden J.M., Boehm I., Boni C., Perica V.B., Buehren K., Bulik C.M., Burghardt R., Carlberg L., Cassina M., Clementi M., Cone R.D., Courtet P., Crowley J.J., Danner U.N., Davis O.S.P., de Zwaan M., Dedoussis G., Degortes D., DeSocio J.E., Dick D.M., Dina C., Dmitrzak-Weglarz M., Martinez E.D., Duncan L.E., Egberts K., Mattingsdal M., McDevitt S., Meulenbelt I., Micali N., Mitchell J., Mitchell K., Monteleone P., Monteleone A.M., Munn-Chernoff M.A., Nacmias B., Navratilova M., Ntalla I., Olsen C.M., O'Toole J.K., Padyukov L., Palotie A., Pantel J., Papezova H., Parker R., Pearson J.F., Ehrlich S., Escaramis G., Espeseth T., Estivill X., Farmer A., Favaro A., Fischer K., Floyd J.A.B., Focker M., Foretova L., Forzan M., Franklin C.S., Gambaro G., Giuranna J., Giusti-Rodriquez P., Gonidakis F., Gordon S., Mayora M.G., Guillaume S., Hanscombe K.B., Hatzikotoulas K., Hebebrand J., Helder S.G., Henders A.K., Herpertz-Dahlmann B., Herzog W., Hinney A., Horwood L.J., Hubel C., Petersen L.V., Purves K.L., Raevuori A., Reichborn-Kjennerud T., Ricca V., Ripatti S., Ritschel F., Roberts M., Rybakowski F., Santonastaso P., Scherag A., Schmidt U., Schork N.J., Schosser A., Seitz J., Slachtova L., Slagboom P.E., Slof-Op 't Landt M.C.T., Slopien A., Soranzo N., Sorbi S., Southam L., Steen V.W., Huckins L.M., Hudson J.I., Imgart H., Inoko H., Janout V., Jordan J., Julia A., Kalsi G., Kaminska D., Kaprio J., Karhunen L., Karwautz A., Kas M.J.H., Kennedy M.A., Keski-Rahkonen A., Kiezebrink K., Kim Y.-R., Kirk K.M., Klareskog L., Knudsen G.P.S., Larsen J.T., Le Hellard S., Leppa V.M., Lichtenstein P., Lin B.D., Lundervold A., Luykx J., Maj M., Mannik K., Marsal S., Stuber G.D., Szatkiewicz J.P., Tachmazidou I., Tenconi E., Tortorella A., Tozzi F., Tsitsika A., Tyszkiewicz-Nwafor M., Tziouvas K., van Elburg A.A., van Furth E.F., Wade T.D., Wagner G., Walton E., Whiteman D.C., Wichmann H.E., Widen E., Yao S., Zeggini E., Zerwas S., Zipfel S., Jungkunz M., Dietl L., Schwarze C.E., Dahmen N., Schott B.H., Mobascher A., Crivelli S., Dennis M.F., Harvey P.D., Carter B.W., Huffman J.E., Jacobson D., Madduri R., Olsen M.K., Pestian J., Gaziano J.M., Muralidhar S., Ramoni R., Beckham J., Chang K.-M., O'Donnell C.J., Tsao P.S., Breeling J., Huang G., Romero J.P.C., Moser J., Whitbourne S.B., Brewer J.V., Aslan M., Connor T., Argyres D.P., Stephens B., Brophy M.T., Humphries D.E., Selva L.E., Do N., Shayan S., Cho K., Pyarajan S., Hauser E., Sun Y., Zhao H., Wilson P., McArdle R., Dellitalia L., Mattocks K., Harley J., Zablocki C.J., Whittle J., Jacono F., Gutierrez S., Gibson G., Hammer K., Kaminsky L., Villareal G., Kinlay S., Xu J., Hamner M., Mathew R., Bhushan S., Iruvanti P., Godschalk M., Ballas Z., Ivins D., Mastorides S., Moorman J., Gappy S., Klein J., Ratcliffe N., Florez H., Okusaga O., Murdoch M., Sriram P., Yeh S.S., Tandon N., Jhala D., Aguayo S., Cohen D., Sharma S., Liangpunsakul S., Oursler K.A., Whooley M., Ahuja S., Constans J., Meyer P., Greco J., Rauchman M., Servatius R., Gaddy M., Wallbom A., Morgan T., Stapley T., Sherman S., Ross G., Tsao P., Strollo P., Boyko E., Meyer L., Gupta S., Huq M., Fayad J., Hung A., Lichy J., Hurley R., Robey B., Striker R., Erlangsen A., Kessler R.C., Porteous D., Ursano R.J., Wasserman D., Coon H., Demontis D., Docherty A.R., Kuo P.-H., Mann J.J., Renteria M.E., Stein M.B., and Willour V.
Subjects: LD SCORE REGRESSION, Genome-wide association study, Suicide, Attempted, 3124 Neurology and psychiatry, 0302 clinical medicine, Risk Factors, Insomnia, Suicide attempt, GWAS, Suïcidi, Depression (differential diagnoses), Cause of death, Psychiatry, 0303 health sciences, Factors de risc en les malalties, Mental Disorders, Genetic Correlation, Genome-wide Association Study, Pleiotropy, Polygenicity, Suicide, Suicide Attempt, DEPRESSION, 3. Good health, Genetic correlation, Genome-Wide Association Study, Humans, Polymorphism, Single Nucleotide, Depressive Disorder, Major, Mental illness, Cohort, SEX, medicine.symptom, Human, medicine.medical_specialty, Risk factors in diseases, BF, Locus (genetics), BEHAVIORS, Psykiatri, EVENTS, 03 medical and health sciences, SDG 3 - Good Health and Well-being, medicine, ddc:610, GENOME-WIDE ASSOCIATION, IDEATION, Socioeconomic status, METAANALYSIS, Biological Psychiatry, 030304 developmental biology, business.industry, Risk Factor, Genetic architecture, THOUGHTS, RC0321, business, Malalties mentals, 030217 neurology & neurosurgery
Abstract: Statistical analyses were carried out on the NL Genetic Cluster Computer (http://www.geneticcluster.org) hosted by SURFsara and the Mount Sinai high performance computing cluster (http://hpc.mssm.edu), which is supported by the Office of Research Infrastructure of the National Institutes of Health (Grant Nos. S10OD018522 and S10OD026880). This work was conducted in part using the resources of the Advanced Computing Center for Research and Education at Vanderbilt University, Nashville, TN. This work was funded by the National Institutes of Health (Grant Nos. R01MH116269 and R01MH121455 [to DMR]), NIGMS of the National Institutes of Health (Grant No. T32GM007347 [to JK]), and the Brain & Behavior Research Foundation (NARSAD Young Investigator Award No. 29551 [to NM])., BACKGROUND: Suicide is a leading cause of death worldwide, and nonfatal suicide attempts, which occur far more frequently, are a major source of disability and social and economic burden. Both have substantial genetic etiology, which is partially shared and partially distinct from that of related psychiatric disorders. METHODS: We conducted a genome-wide association study (GWAS) of 29,782 suicide attempt (SA) cases and 519,961 controls in the International Suicide Genetics Consortium (ISGC). The GWAS of SA was conditioned on psychiatric disorders using GWAS summary statistics via multitrait-based conditional and joint analysis, to remove genetic effects on SA mediated by psychiatric disorders. We investigated the shared and divergent genetic architectures of SA, psychiatric disorders, and other known risk factors. RESULTS: Two loci reached genome-wide significance for SA: the major histocompatibility complex and an intergenic locus on chromosome 7, the latter of which remained associated with SA after conditioning on psychiatric disorders and replicated in an independent cohort from the Million Veteran Program. This locus has been implicated in risk-taking behavior, smoking, and insomnia. SA showed strong genetic correlation with psychiatric disorders, particularly major depression, and also with smoking, pain, risk-taking behavior, sleep disturbances, lower educational attainment, reproductive traits, lower socioeconomic status, and poorer general health. After conditioning on psychiatric disorders, the genetic correlations between SA and psychiatric disorders decreased, whereas those with nonpsychiatric traits remained largely unchanged. CONCLUSIONS: Our results identify a risk locus that contributes more strongly to SA than other phenotypes and suggest a shared underlying biology between SA and known risk factors that is not mediated by psychiatric disorders., Office of Research Infrastructure of the National Institutes of Health S10OD018522 S10OD026880, United States Department of Health & Human Services, National Institutes of Health (NIH) - USA R01MH116269 R01MH121455, NIH National Institute of General Medical Sciences (NIGMS) T32GM007347 NARSAD 29551
Published: 2022

11. A transcriptome-wide association study implicates specific pre- and post-synaptic abnormalities in schizophrenia

Author: Oliver Pain, James T.R. Walters, Michael Conlon O'Donovan, Christopher W Medway, Lynsey S. Hall, Nicholas John Bray, Elliott Rees, Peter Holmans, Andrew Pocklington, Valentina Escott-Price, Antonio F. Pardiñas, and Michael J. Owen
Subjects: Candidate gene, Quantitative Trait Loci, Genome-wide association study, Biology, Polymorphism, Single Nucleotide, Transcriptome, 03 medical and health sciences, 0302 clinical medicine, mental disorders, Genetics, medicine, Humans, Genetic Predisposition to Disease, Association Studies Article, Prefrontal cortex, Molecular Biology, Genetics (clinical), 030304 developmental biology, Genetic association, 0303 health sciences, Antigen processing, Brain, General Medicine, medicine.disease, Dorsolateral prefrontal cortex, medicine.anatomical_structure, Schizophrenia, Neuroscience, 030217 neurology & neurosurgery, Genome-Wide Association Study
Abstract: Schizophrenia is a complex highly heritable disorder. Genome-wide association studies (GWAS) have identified multiple loci that influence the risk of developing schizophrenia, although the causal variants driving these associations and their impacts on specific genes are largely unknown. We identify a significant correlation between schizophrenia risk and expression at 89 genes in the dorsolateral prefrontal cortex (P ≤ 9.43 × 10−6), including 20 novel genes. Genes whose expression correlate with schizophrenia were enriched for those involved in abnormal CNS synaptic transmission (PFDR = 0.02) and antigen processing and presentation of peptide antigen via MHC class I (PFDR = 0.02). Within the CNS synaptic transmission set, we identify individual significant candidate genes to which we assign direction of expression changes in schizophrenia. The findings provide strong candidates for experimentally probing the molecular basis of synaptic pathology in schizophrenia.
Published: 2019

12. Cross-sectional study comparing cognitive function in treatment responsive versus treatment non-responsive schizophrenia: evidence from the STRATA study

Author: Tracy Collier, Bill Deakin, Charlotte Stockton-Powdrell, Robin M. Murray, James H. MacCabe, Jane Lees, Alice Egerton, Richard Drake, Edward Millgate, Jacek Donocik, Shôn Lewis, James T.R. Walters, Oliver D. Howes, Eugenia Kravariti, Anna Murphy, Stephen M. Lawrie, and Laura Kassoumeri
Subjects: schizophrenia & psychotic disorders, Neuropsychological Tests, Cognition, medicine, Verbal fluency test, Humans, Effects of sleep deprivation on cognitive performance, Schizophreniform disorder, First episode, business.industry, General Medicine, medicine.disease, psychiatry, Cross-Sectional Studies, Mental Health, Schizophrenia, Medicine, adult psychiatry, Verbal memory, business, Cognition Disorders, Schizophrenia, Treatment-Resistant, Clinical psychology, Diagnosis of schizophrenia, Antipsychotic Agents
Abstract: Background70%–84% of individuals with antipsychotic treatment resistance show non-response from the first episode. Emerging cross-sectional evidence comparing cognitive profiles in treatment resistant schizophrenia to treatment-responsive schizophrenia has indicated that verbal memory and language functions may be more impaired in treatment resistance. We sought to confirm this finding by comparing cognitive performance between antipsychotic non-responders (NR) and responders (R) using a brief cognitive battery for schizophrenia, with a primary focus on verbal tasks compared against other measures of cognition.DesignCross-sectional.SettingThis cross-sectional study recruited antipsychotic treatment R and antipsychotic NR across four UK sites. Cognitive performance was assessed using the Brief Assessment of Cognition in Schizophrenia (BACS).ParticipantsOne hundred and six participants aged 18–65 years with a diagnosis of schizophrenia or schizophreniform disorder were recruited according to their treatment response, with 52 NR and 54 R cases.OutcomesComposite and subscale scores of cognitive performance on the BACS. Group (R vs NR) differences in cognitive scores were investigated using univariable and multivariable linear regressions adjusted for age, gender and illness duration.ResultsUnivariable regression models observed no significant differences between R and NR groups on any measure of the BACS, including verbal memory (ß=−1.99, 95% CI −6.63 to 2.66, p=0.398) and verbal fluency (ß=1.23, 95% CI −2.46 to 4.91, p=0.510). This pattern of findings was consistent in multivariable models.ConclusionsThe lack of group difference in cognition in our sample is likely due to a lack of clinical distinction between our groups. Future investigations should aim to use machine learning methods using longitudinal first episode samples to identify responder subtypes within schizophrenia, and how cognitive factors may interact within this.Trail registration numberREC: 15/LO/0038.
Published: 2021

13. Age and sex‐related variability in the presentation of generalized anxiety and depression symptoms

Author: Andrew M. McIntosh, Rosa Cheesman, Ian Jones, Brett N. Adey, Molly R. Davies, Henry C. Rogers, Gursharan Kalsi, Daniel J. Smith, Alicia J. Peel, James T.R. Walters, Gerome Breen, Megan Skelton, Katherine N. Thompson, Christopher Hübel, Matthew Hotopf, Cherie Armour, Dina Monssen, and Thalia C. Eley
Subjects: Male, Generalized anxiety disorder, media_common.quotation_subject, factor analysis, Anxiety, Patient Health Questionnaire, Irritability, Structural equation modeling, medicine, Humans, GAD-7, Aged, media_common, Depression, business.industry, PHQ-9, medicine.disease, Anxiety Disorders, Comorbidity, factor scores, Clinical Psychology, Psychiatry and Mental health, Mood, Female, medicine.symptom, Worry, heterogeneity, Factor Analysis, Statistical, business, genetic links to anxiety and depression study, Clinical psychology
Abstract: Background\udGeneralized anxiety and depression are extremely prevalent and debilitating. There is evidence for age and sex variability in symptoms of depression, but despite comorbidity it is unclear whether this extends to anxiety symptomatology. Studies using questionnaire sum scores typically fail to address this phenotypic complexity.\ud\udMethod\udWe conducted exploratory and confirmatory factor analyses on Generalized Anxiety Disorder (GAD-7) and Patient Health Questionnaire (PHQ-9) items to identify latent factors of anxiety and depression in participants from the Genetic Links to Anxiety and Depression Study (N = 35,637; 16–93 years). We assessed age- and sex-related variability in latent factors and individual symptoms using multiple logistic regression.\ud\udResults\udFour factors of mood, worry, motor, and somatic symptoms were identified (comparative fit index [CFI] = 0.99, Tucker–Lewis Index [TLI] = 0.99, root mean square error of approximation [RMSEA] = 0.07, standardized root mean square residuals [SRMR] = 0.04). Symptoms of irritability (odds ratio [OR] = 0.81) were most strongly associated with younger age, and sleep change (OR = 1.14) with older age. Males were more likely to report mood and motor symptoms (p
Published: 2021

14. Risk factors, clinical features, and polygenic risk scores in schizophrenia and schizoaffective disorder depressive-type

Author: Leon Hubbard, Amy Lynham, Charlotte Dennison, Alastair G. Cardno, Michael John Owen, Stanley Zammit, Michael Conlon O'Donovan, James T.R. Walters, Sophie E. Legge, and Peter Holmans
Subjects: Adult, Affective Disorders, Psychotic, Male, medicine.medical_specialty, Psychosis, Multifactorial Inheritance, AcademicSubjects/MED00810, diagnosis, Schizoaffective disorder, Logistic regression, behavioral disciplines and activities, 03 medical and health sciences, 0302 clinical medicine, International Classification of Diseases, Risk Factors, mental disorders, medicine, Humans, Bipolar disorder, psychosis, Psychiatry, Depression (differential diagnoses), 030304 developmental biology, 0303 health sciences, Depressive Disorder, Wales, business.industry, Alcohol dependence, phenotypes, Middle Aged, medicine.disease, 030227 psychiatry, Psychiatry and Mental health, Cross-Sectional Studies, Psychotic Disorders, Schizophrenia, Structured interview, polygenic risk score, depression, Female, Disease Susceptibility, business, Regular Articles
Abstract: There is controversy about the status of schizoaffective disorder depressive-type (SA-D), particularly whether it should be considered a form of schizophrenia or a distinct disorder. We aimed to determine whether individuals with SA-D differ from individuals with schizophrenia in terms of demographic, premorbid and lifetime clinical characteristics, and genetic liability to schizophrenia, depression and bipolar disorder. Participants were from the CardiffCOGS sample and met ICD-10 criteria for schizophrenia (n=713) or SA-D (n=151). Two samples, Cardiff Affected-sib (n=354) and Cardiff F-series (n=524), were used for replication. For all samples, phenotypic data were ascertained through structured interview, review of medical records, and an ICD-10 diagnosis made by trained researchers. Univariable and multivariable logistic regression models were used to compare individuals with schizophrenia and SA-D for demographic and clinical characteristics, and polygenic risk scores (PRS). In the CardiffCOGS, SA-D, compared to schizophrenia, was associated with female sex, childhood abuse, history of alcohol dependence, higher functioning Global Assessment Scale (GAS) score in worst episode of psychosis, lower functioning GAS score in worst episode of depression, and reduced lifetime severity of disorganised symptoms. Individuals with SA-D had higher depression PRS compared to those with schizophrenia. PRS for schizophrenia and bipolar disorder did not significantly differ between SA-D and schizophrenia. Compared to individuals with schizophrenia, individuals with SA-D had higher rates of environmental and genetic risk factors for depression and a similar genetic liability to schizophrenia. These findings are consistent with SA-D being a sub-type of schizophrenia resulting from elevated liability to both schizophrenia and depression.Key words: Polygenic risk score; depression; psychosis; diagnosis; phenotypes
Published: 2021

15. Investigating rare pathogenic/likely pathogenic exonic variation in bipolar disorder

Author: Arianna DiFlorio, Patrick F. Sullivan, Sebastian Zöllner, Margarita Rivera, Richard M. Myers, Stanley J. Watson, Jun Li, Anders Juréus, Sarah E. Bergen, Gonçalo R. Abecasis, Jordan W. Smoller, Michael Conlon O'Donovan, Neil Risch, Hoang T. Nguyen, Chen Jiang, Xiaoming Jia, Mehdi Pirooznia, Danielle Posthuma, Adam E. Locke, Peter P. Zandi, John B. Vincent, Niamh Mullins, Duncan Palmer, Shaun Purcell, Gerome Breen, Christina M. Hultman, Andreas Reif, Khanh K. Thai, Virginia L. Willour, Pui-Yan Kwok, Laura J. Scott, Anne U. Jackson, Michael John Owen, Fernando S. Goes, Steven A. McCarroll, James B. Potash, Mikael Landén, Jennifer L. Moran, Michele T. Pato, Hyun Min Kang, Marco P. Boks, Sinéad B. Chapman, W. Richard McCombie, Janet L. Sobell, Matthew Zawistowski, Rolf Adolfsson, Yongwen Zhuang, Michael Boehnke, René S. Kahn, Huda Akil, James T.R. Walters, Margit Burmeister, Douglas Blackwood, Cathryn M. Lewis, Eli A. Stahl, Mark N. Kvale, Melissa DelaBastide, Catherine Schaefer, Benjamin M. Neale, Giulio Genovese, Carlos N. Pato, Nicholas John Craddock, Andrew McQuillin, Shawn Levy, Aiden Corvin, Pamela Sklar, Weiqing Wang, Andrew M. McIntosh, Ling Shen, Eric T. Monson, Derek W. Morris, Douglas M. Ruderfer, Roel A. Ophoff, Peter McGuffin, Sarah Cohen-Woods, Willem H. Ouwehand, Complex Trait Genetics, Amsterdam Neuroscience - Complex Trait Genetics, Goes, Fernando S [0000-0001-6262-8264], Locke, Adam E [0000-0001-6227-198X], Palmer, Duncan [0000-0002-0824-0047], Wang, Weiqing [0000-0003-1565-0148], Genovese, Giulio [0000-0003-3066-5575], Jackson, Anne U [0000-0002-9672-2547], Nguyen, Hoang [0000-0001-6910-7269], Pirooznia, Mehdi [0000-0002-4210-6458], Zawistowski, Matthew [0000-0002-3005-083X], Abecasis, Gonçalo [0000-0003-1509-1825], Bergen, Sarah [0000-0002-5888-0034], Burmeister, Margit [0000-0002-1914-2434], Kwok, Pui-Yan [0000-0002-5087-3059], Li, Jun Z [0000-0001-6727-0812], Levy, Shawn E [0000-0002-1369-5740], Watson, Stanley [0000-0003-4980-5523], Blackwood, Douglas [0000-0002-4076-9346], Boehnke, Michael [0000-0002-6442-7754], Breen, Gerome [0000-0003-2053-1792], Landen, Mikael [0000-0002-4496-6451], Lewis, Cathryn [0000-0002-8249-8476], McCarroll, Steven A [0000-0002-6954-8184], McIntosh, Andrew [0000-0002-0198-4588], McQuillin, Andrew [0000-0003-1567-2240], Morris, Derek [0000-0002-3413-570X], O'Donovan, Michael [0000-0001-7073-2379], Boks, Marco [0000-0001-6163-7484], Kahn, Rene [0000-0001-5909-8004], Ouwehand, Willem [0000-0002-7744-1790], Owen, Michael [0000-0003-4798-0862], Potash, James B [0000-0002-5802-8079], Reif, Andreas [0000-0002-0992-634X], Vincent, John [0000-0003-0692-2519], Neale, Benjamin [0000-0003-1513-6077], Purcell, Shaun [0000-0002-7402-5812], Schaefer, Catherine [0000-0003-2644-055X], Stahl, Eli A [0000-0002-1192-0561], Zandi, Peter P [0000-0001-8423-2623], Scott, Laura J [0000-0002-4886-5084], Apollo - University of Cambridge Repository, Human genetics, Amsterdam Neuroscience - Compulsivity, Impulsivity & Attention, Amsterdam Reproduction & Development (AR&D), Psychiatry, APH - Mental Health, Amsterdam Neuroscience - Mood, Anxiety, Psychosis, Stress & Sleep, and APH - Digital Health
Subjects: Bipolar Disorder, Genome-wide association study, Biology, Medical and Health Sciences, Polymorphism, Single Nucleotide, Article, 03 medical and health sciences, Cellular and Molecular Neuroscience, 0302 clinical medicine, SDG 3 - Good Health and Well-being, Clinical Research, Genetic variation, medicine, Genetics, 2.1 Biological and endogenous factors, Humans, Exome, Genetic Predisposition to Disease, Bipolar disorder, Polymorphism, Molecular Biology, Gene, 030304 developmental biology, Medicinsk genetik, Psychiatry, 0303 health sciences, Prevention, Human Genome, Psychology and Cognitive Sciences, Genetic Variation, Single Nucleotide, Heritability, Biological Sciences, medicine.disease, Serious Mental Illness, Phenotype, 3. Good health, Brain Disorders, Psychiatry and Mental health, Mental Health, Schizophrenia, Medical Genetics, 030217 neurology & neurosurgery, Genome-Wide Association Study
Abstract: Bipolar disorder (BD) is a serious mental illness with substantial common variant heritability. However, the role of rare coding variation in BD is not well established. We examined the protein-coding (exonic) sequences of 3,987 unrelated individuals with BD and 5,322 controls of predominantly European ancestry across four cohorts from the Bipolar Sequencing Consortium (BSC). We assessed the burden of rare, protein-altering, single nucleotide variants classified as pathogenic or likely pathogenic (P-LP) both exome-wide and within several groups of genes with phenotypic or biologic plausibility in BD. While we observed an increased burden of rare coding P-LP variants within 165 genes identified as BD GWAS regions in 3,987 BD cases (meta-analysis OR = 1.9, 95% CI = 1.3–2.8, one-sided p = 6.0 × 10−4), this enrichment did not replicate in an additional 9,929 BD cases and 14,018 controls (OR = 0.9, one-side p = 0.70). Although BD shares common variant heritability with schizophrenia, in the BSC sample we did not observe a significant enrichment of P-LP variants in SCZ GWAS genes, in two classes of neuronal synaptic genes (RBFOX2 and FMRP) associated with SCZ or in loss-of-function intolerant genes. In this study, the largest analysis of exonic variation in BD, individuals with BD do not carry a replicable enrichment of rare P-LP variants across the exome or in any of several groups of genes with biologic plausibility. Moreover, despite a strong shared susceptibility between BD and SCZ through common genetic variation, we do not observe an association between BD risk and rare P-LP coding variants in genes known to modulate risk for SCZ., International Bipolar Sequencing Consortium (NIMH) R01 MH 110437, Whole Genome Sequencing for Schizophrenia and Biopolar Disorder in the GPS (NIMH) UO1 MH105653, Whole Genome and Exome Sequencing for Bipolar Disorder (NIMH) R01 MH 094145, Multi-ethnic GWAS of Bipolar I Disorder (NIH) R01 MH 085543, Genetic Epidemiology Research in Adult Health and Aging (GERA) RC2 AG036607, Kaiser Permanente Research Program on Genes, Environment, and Health, Rare Bipolar Loci Identification Through Synaptome Sequencing (NIMH) R01 MH 087979 MH 087992, 2/2 Large Scale Genetic Studies of Schizophrenia in Sweden R01MH095034, 1/3 Genetic Analysis of the International Cohort Collection for Bipolar Disorder R01MH106531, 1/2 Large Scale Genetic Studies of Schizophrenia in Sweden R01MH077139, 2/3 Genetic Analysis of the International Cohort Collection for Bipolar Disorder R01MH106527, Dalio Foundation
Published: 2021

16. Genetic association of FMRP targets with psychiatric disorders

Author: Arianna Di Florio, Antonio F. Pardiñas, Nicholas E. Clifton, Michael Conlon O'Donovan, Elliott Rees, James T.R. Walters, George Kirov, Jeremy Hall, Michael John Owen, Peter Holmans, Andrew Pocklington, and Janet C Harwood
Subjects: 0301 basic medicine, Nonsynonymous substitution, medicine.medical_specialty, congenital, hereditary, and neonatal diseases and abnormalities, Bipolar Disorder, Biology, Article, Cellular and Molecular Neuroscience, 03 medical and health sciences, Fragile X Mental Retardation Protein, 0302 clinical medicine, medicine, Humans, Copy-number variation, Bipolar disorder, Genetic risk, Psychiatry, Molecular Biology, Gene, 030304 developmental biology, Genetic association, 0303 health sciences, Depressive Disorder, Major, Mental Disorders, medicine.disease, Psychiatry and Mental health, 030104 developmental biology, Functional annotation, Schizophrenia, Major depressive disorder, 030217 neurology & neurosurgery
Abstract: Genes encoding the mRNA targets of Fragile X mental retardation protein (FMRP) are enriched for genetic association with psychiatric disorders. However, many FMRP targets possess functions that are themselves genetically associated with psychiatric disorders, including synaptic transmission and plasticity, making it unclear whether the genetic risk is truly related to binding by FMRP or is alternatively mediated by the sampling of genes better characterised by another trait or functional annotation. Using published common variant, rare coding variant and copy number variant data, we examined the relationship between FMRP binding and genetic association with schizophrenia, major depressive disorder and bipolar disorder. We then explored the partitioning of genetic association between overrepresented functional categories. High-confidence targets of FMRP were enriched for common schizophrenia risk alleles, as well as rare loss-of-function andde novononsynonymous variants in cases. Similarly, through common variation, FMRP targets were associated with major depressive disorder, and we present novel evidence of association with bipolar disorder. These relationships could not be explained by membership of other functional annotations known to be associated with psychiatric disorders, including those related to synaptic structure and function. This study reinforces the evidence that targeting by FMRP captures a subpopulation of genes enriched for genetic association with a range of psychiatric disorders, across traditional diagnostic boundaries.
Published: 2021

17. Rare copy number variations are associated with poorer cognition in schizophrenia

Author: Denise Harold, Jeremy Hall, James T.R. Walters, Alexander Richards, Antonio F. Pardiñas, Michael Conlon O'Donovan, Stanley Zammit, Corvin A, Gary Donohoe, George Kirov, Sophie E. Legge, M. Gill, Peter Holmans, Andrew Pocklington, Derek W. Morris, Leon Hubbard, Elliott Rees, Michael John Owen, and Amy Lynham
Subjects: Adult, 0301 basic medicine, cognition, DNA Copy Number Variations, Schizophrenia (object-oriented programming), CNV, Age and sex, Affect (psychology), behavioral disciplines and activities, 03 medical and health sciences, Cognition, 0302 clinical medicine, mental disorders, Humans, Medicine, Genetic Predisposition to Disease, schizophrenia CNV, Copy-number variation, Biological Psychiatry, Intelligence Tests, business.industry, Gene sets, copy number variation, Wechsler Adult Intelligence Scale, Confidence interval, general cognitive ability, schizophrenia, Phenotype, 030104 developmental biology, Schizophrenia, business, 030217 neurology & neurosurgery, Clinical psychology
Abstract: Background Cognitive impairment in schizophrenia is a major contributor to poor outcomes, yet its causes are poorly understood. Some rare copy number variants (CNVs) are associated with schizophrenia risk and affect cognition in healthy populations, but their contribution to cognitive impairment in schizophrenia has not been investigated. We examined the effect of 12 schizophrenia CNVs on cognition in those with schizophrenia. Methods General cognitive ability was measured using the Measurement and Treatment Research to Improve Cognition in Schizophrenia composite z score in 875 patients with schizophrenia and in a replication sample of 519 patients with schizophrenia using Wechsler Adult Intelligence Scale Full Scale IQ. Using linear regression, we tested for association between cognition and schizophrenia CNV status, covarying for age and sex. In addition, we tested whether CNVs hitting genes in schizophrenia-enriched gene sets (loss-of-function intolerant and synaptic gene sets) were associated with cognitive impairment. Results A total of 23 schizophrenia CNV carriers were identified. Schizophrenia CNV carriers had lower general cognitive ability than nonschizophrenia CNV carriers in discovery (β = −0.66, 95% confidence interval [CI] = −1.31 to −0.01) and replication samples (β = −0.91, 95% CI = −1.71 to −0.11) and after meta-analysis (β = −0.76, 95% CI = −1.26 to −0.25, p = .003). CNVs hitting loss-of-function intolerant genes were associated with lower cognition (β = −0.15, 95% CI = −0.29 to −0.001, p = .048). Conclusions In those with schizophrenia, cognitive ability in schizophrenia CNV carriers is 0.5–1.0 standard deviations below non-CNV carriers, which may have implications for clinical assessment and management. We also demonstrate that rare CNVs hitting genes intolerant to loss-of-function variation lead to more severe cognitive impairment, above and beyond the effect of known schizophrenia CNVs.
Published: 2021

18. Pharmacogenomic Variants and Drug Interactions Identified Through the Genetic Analysis of Clozapine Metabolism

Author: Michael John Owen, Michael Conlon O'Donovan, Christopher W Medway, Sophie E. Legge, Antonio F. Pardiñas, James H. MacCabe, Marinka Helthuis, Adrian King, John A. Jansen, James T.R. Walters, Andrew Pocklington, Stanley Zammit, and Mariana Nalmpanti
Subjects: Adult, Male, Pharmacogenomic Variants, Genome-wide association study, Single-nucleotide polymorphism, Bioinformatics, Coffee, Polymorphism, Single Nucleotide, 03 medical and health sciences, 0302 clinical medicine, Cytochrome P-450 CYP1A2, Tobacco, Cytochrome P-450 CYP1A1, medicine, Humans, Drug Interactions, Glucuronosyltransferase, Clozapine, Genetic association, business.industry, medicine.disease, 030227 psychiatry, Minor allele frequency, Psychiatry and Mental health, Schizophrenia, Pharmacogenomics, Female, business, 030217 neurology & neurosurgery, Antipsychotic Agents, Genome-Wide Association Study, medicine.drug
Abstract: Objective: Clozapine is the only effective medication for treatment-resistant schizophrenia, but its worldwide use is still limited because of its complex titration protocols. While the discovery of pharmacogenomic variants of clozapine metabolism may improve clinical management, no robust findings have yet been reported. This study is the first to adopt the framework of genome-wide association studies (GWASs) to discover genetic markers of clozapine plasma concentrations in a large sample of patients with treatment-resistant schizophrenia. Methods: The authors used mixed-model regression to combine data from multiple assays of clozapine metabolite plasma concentrations from a clozapine monitoring service and carried out a genome-wide analysis of clozapine, norclozapine, and their ratio on 10,353 assays from 2,989 individuals. These analyses were adjusted for demographic factors known to influence clozapine metabolism, although it was not possible to adjust for all potential mediators given the available data. GWAS results were used to pinpoint specific enzymes and metabolic pathways and compounds that might interact with clozapine pharmacokinetics. Results: The authors identified four distinct genome-wide significant loci that harbor common variants affecting the metabolism of clozapine or its metabolites. Detailed examination pointed to coding and regulatory variants at several CYP* and UGT* genes as well as corroborative evidence for interactions between the metabolism of clozapine, coffee, and tobacco. Individual effects of single single-nucleotide polymorphisms (SNPs) fine-mapped from these loci were large, such as the minor allele of rs2472297, which was associated with a reduction in clozapine concentrations roughly equivalent to a decrease of 50 mg/day in clozapine dosage. On their own, these single SNPs explained from 1.15% to 9.48% of the variance in the plasma concentration data. Conclusions: Common genetic variants with large effects on clozapine metabolism exist and can be found via genome-wide approaches. Their identification opens the way for clinical studies assessing the use of pharmacogenomics in the clinical management of patients with treatment-resistant schizophrenia.
Published: 2019

19. Genetics of clozapine-associated neutropenia: recent advances, challenges and future perspective

Author: James T.R. Walters and Sophie E. Legge
Subjects: Neutropenia, Genotype, medicine.medical_treatment, Review, 030226 pharmacology & pharmacy, agranulocytosis, 03 medical and health sciences, Solute Carrier Organic Anion Transporter Family Member 1B3, 0302 clinical medicine, Genetic etiology, Genetics, medicine, HLA-DQ beta-Chains, Humans, Antipsychotic, Clozapine, Genetic Association Studies, pharmacogenetics, Pharmacology, Future perspective, clozapine, business.industry, Benign neutropenia, medicine.disease, 3. Good health, schizophrenia, Schizophrenia, HLA-B Antigens, 030220 oncology & carcinogenesis, Molecular Medicine, business, Pharmacogenetics, medicine.drug, Antipsychotic Agents
Abstract: Clozapine is the only effective antipsychotic for treatment-resistant schizophrenia but remains widely under prescribed, at least in part due to its potential to cause agranulocytosis and neutropenia. In this article, we provide an overview of the current understanding of the genetics of clozapine-associated agranulocytosis and neutropenia. We now know that the genetic etiology of clozapine-associated neutropenia is complex and is likely to involve variants from several genes including HLA-DQB1, HLA-B and SLCO1B3/SLCO1B7. We describe recent findings relating to the Duffy-null genotype and its association with benign neutropenia in individuals with African ancestry. Further advances will come from sequencing studies, large, cross-population studies and in understanding the molecular mechanisms underlying these associations.
Published: 2019

20. Peripheral immune markers and antipsychotic non-response in psychosis

Author: Valeria Mondelli, Dina Fathalla, Bill Deakin, Daniela Enache, Stephen M. Lawrie, B. Paul Morgan, James H. MacCabe, Alice Egerton, James T.R. Walters, Richard Drake, Shôn Lewis, and Naghmeh Nikkheslat
Subjects: Oncology, Psychosis, medicine.medical_specialty, Complement system, medicine.medical_treatment, Inflammation, Article, 03 medical and health sciences, 0302 clinical medicine, Immune system, Internal medicine, medicine, Humans, Antipsychotic, Biological Psychiatry, Positive and Negative Syndrome Scale, business.industry, Interleukin, medicine.disease, 030227 psychiatry, Psychiatry and Mental health, Cross-Sectional Studies, Psychotic Disorders, Schizophrenia, Antipsychotic response, Cytokines, Negative symptoms, medicine.symptom, business, Biomarkers, 030217 neurology & neurosurgery, Antipsychotic Agents
Abstract: Background\ud Peripheral immune markers have previously been linked to a poor response to antipsychotic medication and more severe negative symptoms at the onset of psychosis. The present study investigated the association of blood cytokines and complement markers with the presence of antipsychotic non-response and symptom severity in patients with psychosis.\ud \ud Methods\ud This cross-sectional study recruited 94 patients with schizophrenia and other psychoses, of whom 47 were defined as antipsychotic responders and 47 as antipsychotic non-responders. In all subjects we measured plasma levels of cytokines (IL-1β, IL-2, IL-4, IL-6, IL-8, IL-10, IL-12p70, IL-13, TNF-α, and IFN-γ), complement markers (C1-inhibitor, C3, C4, C3a, C3b, Bb, factor D, C5a, terminal complement complex) and high sensitivity C-reactive protein (hsCRP). Symptom severity was recorded using the Positive and Negative Syndrome scale for Schizophrenia (PANSS). Binary logistic regression tested each immune marker as predictor of response status while covarying for relevant socio-demographic variables. Correlation analyses tested the association between immune markers and the severity of symptoms.\ud \ud Results\ud Interleukin (IL)-8 significantly predicted antipsychotic non-response (OR=24.70, 95% CI, 1.35–453.23, p = 0.03). Other immune markers were not associated with antipsychotic response. IL-6, IL-8, IL-10 and TNF-α significantly positively correlated with negative psychotic symptoms.\ud \ud Conclusions\ud Higher levels of IL-8 are associated with a poor response to antipsychotic treatment. Increased cytokines levels are specifically associated with more severe negative symptoms in patients with schizophrenia and other psychoses.
Published: 2021

21. Association of Antihypertensive Drug Target Genes With Psychiatric Disorders: A Mendelian Randomization Study

Author: Michael Conlon O'Donovan, Zhihong Zhu, Sonia Shah, James T.R. Walters, Solal Chauquet, and Naomi R. Wray
Subjects: medicine.medical_specialty, Bipolar Disorder, Genome-wide association study, Angiotensin-Converting Enzyme Inhibitors, Peptidyl-Dipeptidase A, Polymorphism, Single Nucleotide, 03 medical and health sciences, Pharmacovigilance, 0302 clinical medicine, Mendelian randomization, Medicine, Humans, Bipolar disorder, RNA, Messenger, Psychiatry, Antihypertensive Agents, Original Investigation, Depressive Disorder, Major, business.industry, Mendelian Randomization Analysis, Odds ratio, medicine.disease, 030227 psychiatry, Psychiatry and Mental health, Schizophrenia, Expression quantitative trait loci, Major depressive disorder, business, 030217 neurology & neurosurgery, Genome-Wide Association Study
Abstract: Importance Observational studies have reported associations between antihypertensive medication and psychiatric disorders, although the reported direction of association appears to be dependent on drug class. Objective To estimate the potential effect of different antihypertensive drug classes on schizophrenia, bipolar disorder, and major depressive disorder. Design, Setting, and Participants This 2-sample mendelian randomization study assessed the association between a single-nucleotide variant (SNV) and drug target gene expression derived from existing expression quantitative trait loci (eQTL) data in blood (sample 1) and the SNV-disease association from published case-control genome-wide association studies (sample 2). Significant associations were corroborated using published brain eQTL and protein QTL data. Participants included 40 675 patients with schizophrenia and 64 643 controls, 20 352 patients with bipolar disorder and 31 358 controls, and 135 458 patients with major depressive disorder and 344 901 controls. Blood eQTL levels were measured in 31 684 individuals from 37 cohorts (eQTLGen consortium); prefrontal cortex eQTLs were measured from the PsychENCODE resource in 1387 individuals; and protein QTLs were measured in cerebral spinal fluid from 544 individuals and plasma from 818 individuals. Data were collected from October 4, 2019, to June 1, 2020, and analyzed from October 14, 2019, to June 6, 2020. Exposures Expression levels of antihypertensive drug target genes as proxies for drug exposure, and genetic variants robustly associated with the expression of these genes as mendelian randomization instruments. Main Outcomes and Measures Risk for schizophrenia, bipolar disorder, and major depressive disorder. Results A 1-SD lower expression of the angiotensin-converting enzyme (ACE) gene in blood was associated with lower systolic blood pressure of 4.0 (95% CI, 2.7-5.3) mm Hg, but increased risk of schizophrenia (odds ratio [OR], 1.75; 95% CI, 1.28-2.38; P = 3.95 × 10−4). A concordant direction of association was also observed between ACE expression in prefrontal cortex (OR, 1.33; 95% CI, 1.13-1.56) and ACE protein levels in cerebral spinal fluid (OR per 1-SD decrease, 1.12; 95% CI, 1.05-1.19) and plasma (OR per 1-SD decrease, 1.04; 95% CI, 1.01-1.07). We found no evidence for an association between genetically estimated SBP and schizophrenia risk. Conclusions and Relevance Findings suggest an adverse association of lower ACE messenger RNA and protein levels with schizophrenia risk. These findings warrant greater pharmacovigilance and further investigation into the effect of ACE inhibitors, particularly those that are centrally acting, on psychiatric symptoms in patients with schizophrenia, as well as the role of ACE inhibitor use in late-onset schizophrenia.
Published: 2021

22. A Comparison of Ten Polygenic Score Methods for Psychiatric Disorders Applied Across Multiple Cohorts

Author: Guiyan Ni, Jian Zeng, Joana A. Revez, Ying Wang, Zhili Zheng, Tian Ge, Restuadi Restuadi, Jacqueline Kiewa, Dale R. Nyholt, Jonathan R.I. Coleman, Jordan W. Smoller, Jian Yang, Peter M. Visscher, Naomi R. Wray, Stephan Ripke, Benjamin M. Neale, Aiden Corvin, James T.R. Walters, Kai-How Farh, Peter A. Holmans, Phil Lee, Brendan Bulik-Sullivan, David A. Collier, Hailiang Huang, Tune H. Pers, Ingrid Agartz, Esben Agerbo, Margot Albus, Madeline Alexander, Farooq Amin, Silviu A. Bacanu, Martin Begemann, Richard A. Belliveau, Judit Bene, Sarah E. Bergen, Elizabeth Bevilacqua, Tim B. Bigdeli, Donald W. Black, Richard Bruggeman, Nancy G. Buccola, Randy L. Buckner, William Byerley, Wiepke Cahn, Guiqing Cai, Dominique Campion, Rita M. Cantor, Vaughan J. Carr, Noa Carrera, Stanley V. Catts, Kimberley D. Chambert, Raymond C.K. Chan, Ronald Y.L. Chen, Eric Y.H. Chen, Wei Cheng, Eric F.C. Cheung, Siow Ann Chong, C. Robert Cloninger, David Cohen, Nadine Cohen, Paul Cormican, Nick Craddock, James J. Crowley, Michael Davidson, Kenneth L. Davis, Franziska Degenhardt, Jurgen Del Favero, Ditte Demontis, Dimitris Dikeos, Timothy Dinan, Srdjan Djurovic, Gary Donohoe, Elodie Drapeau, Jubao Duan, Frank Dudbridge, Naser Durmishi, Peter Eichhammer, Johan Eriksson, Valentina Escott-Price, Laurent Essioux, Ayman H. Fanous, Martilias S. Farrell, Josef Frank, Lude Franke, Robert Freedman, Nelson B. Freimer, Marion Friedl, Joseph I. Friedman, Menachem Fromer, Giulio Genovese, Lyudmila Georgieva, Ina Giegling, Paola Giusti-Rodríguez, Stephanie Godard, Jacqueline I. Goldstein, Vera Golimbet, Srihari Gopal, Jacob Gratten, Lieuwe de Haan, Christian Hammer, Marian L. Hamshere, Mark Hansen, Thomas Hansen, Vahram Haroutunian, Annette M. Hartmann, Frans A. Henskens, Stefan Herms, Joel N. Hirschhorn, Per Hoffmann, Andrea Hofman, Mads V. Hollegaard, David M. Hougaard, Masashi Ikeda, Inge Joa, Antonio Julià, René S. Kahn, Luba Kalaydjieva, Sena Karachanak-Yankova, Juha Karjalainen, David Kavanagh, Matthew C. Keller, James L. Kennedy, Andrey Khrunin, Yunjung Kim, Janis Klovins, James A. Knowles, Bettina Konte, Vaidutis Kucinskas, Zita Ausrele Kucinskiene, Hana Kuzelova-Ptackova, Anna K. Kähler, Claudine Laurent, Jimmy Lee, S. Hong Lee, Sophie E. Legge, Bernard Lerer, Miaoxin Li, Tao Li, Kung-Yee Liang, Jeffrey Lieberman, Svetlana Limborska, Carmel M. Loughland, Jan Lubinski, Jouko Lönnqvist, Milan Macek, Patrik K.E. Magnusson, Brion S. Maher, Wolfgang Maier, Jacques Mallet, Sara Marsal, Manuel Mattheisen, Morten Mattingsdal, Robert W. McCarley, Colm McDonald, Andrew M. McIntosh, Sandra Meier, Carin J. Meijer, Bela Melegh, Ingrid Melle, Raquelle I. Mesholam-Gately, Andres Metspalu, Patricia T. Michie, Lili Milani, Vihra Milanova, Younes Mokrab, Derek W. Morris, Ole Mors, Kieran C. Murphy, Robin M. Murray, Inez Myin-Germeys, Bertram Müller-Myhsok, Mari Nelis, Igor Nenadic, Deborah A. Nertney, Gerald Nestadt, Kristin K. Nicodemus, Liene Nikitina-Zake, Laura Nisenbaum, Annelie Nordin, Eadbhard O’Callaghan, Colm O’Dushlaine, F. Anthony O’Neill, Sang-Yun Oh, Ann Olincy, Line Olsen, Jim Van Os, Psychosis Endophenotypes International Consortium, Christos Pantelis, George N. Papadimitriou, Sergi Papiol, Elena Parkhomenko, Michele T. Pato, Tiina Paunio, Milica Pejovic-Milovancevic, Diana O. Perkins, Olli Pietiläinen, Jonathan Pimm, Andrew J. Pocklington, John Powell, Alkes Price, Ann E. Pulver, Shaun M. Purcell, Digby Quested, Henrik B. Rasmussen, Abraham Reichenberg, Mark A. Reimers, Alexander L. Richards, Joshua L. Roffman, Panos Roussos, Douglas M. Ruderfer, Veikko Salomaa, Alan R. Sanders, Ulrich Schall, Christian R. Schubert, Thomas G. Schulze, Sibylle G. Schwab, Edward M. Scolnick, Rodney J. Scott, Larry J. Seidman, Jianxin Shi, Engilbert Sigurdsson, Teimuraz Silagadze, Jeremy M. Silverman, Kang Sim, Petr Slominsky, Hon-Cheong So, Chris C.A. Spencer, Eli A. Stahl, Hreinn Stefansson, Stacy Steinberg, Elisabeth Stogmann, Richard E. Straub, Eric Strengman, Jana Strohmaier, T. Scott Stroup, Mythily Subramaniam, Jaana Suvisaari, Dragan M. Svrakic, Jin P. Szatkiewicz, Erik Söderman, Srinivas Thirumalai, Draga Toncheva, Sarah Tosato, Juha Veijola, John Waddington, Dermot Walsh, Dai Wang, Qiang Wang, Bradley T. Webb, Mark Weiser, Dieter B. Wildenauer, Nigel M. Williams, Stephanie Williams, Stephanie H. Witt, Aaron R. Wolen, Emily H.M. Wong, Brandon K. Wormley, Hualin Simon Xi, Clement C. Zai, Xuebin Zheng, Fritz Zimprich, Kari Stefansson, Wellcome Trust Case-Control Consortium, Rolf Adolfsson, Ole A. Andreassen, Douglas H.R. Blackwood, Elvira Bramon, Joseph D. Buxbaum, Anders D. Børglum, Sven Cichon, Ariel Darvasi, Enrico Domenici, Hannelore Ehrenreich, Tõnu Esko, Pablo V. Gejman, Michael Gill, Hugh Gurling, Christina M. Hultman, Nakao Iwata, Assen V. Jablensky, Erik G. Jönsson, Kenneth S. Kendler, George Kirov, Jo Knight, Todd Lencz, Douglas F. Levinson, Qingqin S. Li, Jianjun Liu, Anil K. Malhotra, Steven A. McCarroll, Andrew McQuillin, Jennifer L. Moran, Preben B. Mortensen, Bryan J. Mowry, Markus M. Nöthen, Roel A. Ophoff, Michael J. Owen, Aarno Palotie, Carlos N. Pato, Tracey L. Petryshen, Danielle Posthuma, Marcella Rietschel, Brien P. Riley, Dan Rujescu, Pak C. Sham, Pamela Sklar, David St Clair, Daniel R. Weinberger, Jens R. Wendland, Thomas Werge, Mark J. Daly, Patrick F. Sullivan, Michael C. O’Donovan, Maciej Trzaskowski, Enda M. Byrne, Abdel Abdellaoui, Mark J. Adams, Tracy M. Air, Till F.M. Andlauer, Silviu-Alin Bacanu, Marie Bækvad-Hansen, Aartjan T.F. Beekman, Elisabeth B. Binder, Julien Bryois, Henriette N. Buttenschøn, Jonas Bybjerg-Grauholm, Na Cai, Enrique Castelao, Jane Hvarregaard Christensen, Toni-Kim Clarke, Lucía Colodro-Conde, Baptiste Couvy-Duchesne, Gregory E. Crawford, Gail Davies, Ian J. Deary, Eske M. Derks, Nese Direk, Conor V. Dolan, Erin C. Dunn, Thalia C. Eley, Farnush Farhadi Hassan Kiadeh, Hilary K. Finucane, Jerome C. Foo, Andreas J. Forstner, Héléna A. Gaspar, Fernando S. Goes, Scott D. Gordon, Jakob Grove, Lynsey S. Hall, Christine Søholm Hansen, Thomas F. Hansen, Ian B. Hickie, Georg Homuth, Carsten Horn, Jouke-Jan Hottenga, David M. Howard, Marcus Ising, Rick Jansen, Ian Jones, Lisa A. Jones, Eric Jorgenson, Isaac S. Kohane, Julia Kraft, Warren W. Kretzschmar, Zoltán Kutalik, Yihan Li, Penelope A. Lind, Donald J. MacIntyre, Dean F. MacKinnon, Robert M. Maier, Jonathan Marchini, Hamdi Mbarek, Patrick McGrath, Peter McGuffin, Sarah E. Medland, Divya Mehta, Christel M. Middeldorp, Evelin Mihailov, Yuri Milaneschi, Francis M. Mondimore, Grant W. Montgomery, Sara Mostafavi, Niamh Mullins, Matthias Nauck, Bernard Ng, Michel G. Nivard, Paul F. O’Reilly, Hogni Oskarsson, Jodie N. Painter, Carsten Bøcker Pedersen, Marianne Giørtz Pedersen, Roseann E. Peterson, Wouter J. Peyrot, Giorgio Pistis, Jorge A. Quiroz, Per Qvist, John P. Rice, Margarita Rivera, Saira Saeed Mirza, Robert Schoevers, Eva C. Schulte, Ling Shen, Stanley I. Shyn, Grant C.B. Sinnamon, Johannes H. Smit, Daniel J. Smith, Fabian Streit, Katherine E. Tansey, Henning Teismann, Alexander Teumer, Wesley Thompson, Pippa A. Thomson, Thorgeir E. Thorgeirsson, Matthew Traylor, Jens Treutlein, Vassily Trubetskoy, André G. Uitterlinden, Daniel Umbricht, Sandra Van der Auwera, Albert M. van Hemert, Alexander Viktorin, Yunpeng Wang, Shantel Marie Weinsheimer, Jürgen Wellmann, Gonneke Willemsen, Yang Wu, Hualin S. Xi, Futao Zhang, Volker Arolt, Bernhard T. Baune, Klaus Berger, Dorret I. Boomsma, Udo Dannlowski, E.J.C. de Geus, J. Raymond DePaulo, Katharina Domschke, Hans J. Grabe, Steven P. Hamilton, Caroline Hayward, Andrew C. Heath, Stefan Kloiber, Glyn Lewis, Susanne Lucae, Pamela A.F. Madden, Patrik K. Magnusson, Nicholas G. Martin, Preben Bo Mortensen, Merete Nordentoft, Sara A. Paciga, Nancy L. Pedersen, Adult Psychiatry, APH - Mental Health, ANS - Complex Trait Genetics, ANS - Mood, Anxiety, Psychosis, Stress & Sleep, Ni, Guiyan, Zeng, Jian, Revez, Joana A., Wang, Ying, Zhili, Zheng, Ge, Tian, Restuadi, Restuadi, Kiewa, Jacqueline, Nyholt, Dale R, Coleman, Jonathan RI, Smoller, Jordan W, Lee, S Hong, APH - Methodology, Biological Psychology, APH - Personalized Medicine, APH - Health Behaviors & Chronic Diseases, Econometrics, Psychiatry, Department of Technology and Operations Management, Child and Adolescent Psychiatry / Psychology, Epidemiology, Erasmus MC other, Urology, Internal Medicine, Medical Informatics, Immunology, Human genetics, Amsterdam Neuroscience - Complex Trait Genetics, Amsterdam Neuroscience - Compulsivity, Impulsivity & Attention, Amsterdam Reproduction & Development (AR&D), and Amsterdam Neuroscience - Mood, Anxiety, Psychosis, Stress & Sleep
Subjects: 0301 basic medicine, Multifactorial Inheritance, medicine.medical_specialty, LDpred2, BF, Genomics, Disease, Major depressive disorder, risk prediction, 03 medical and health sciences, 0302 clinical medicine, MegaPRS, SDG 3 - Good Health and Well-being, medicine, Humans, Genetic Predisposition to Disease, ddc:610, Genetic risk, Psychiatry, Biological Psychiatry, Genetic association, Depressive Disorder, Major, business.industry, Mental Disorders, medicine.disease, Genetic architecture, Polygenic scores, Risk prediction, polygenic scores, PRS-CS, psychiatric disorders, 030104 developmental biology, SBayesR, Schizophrenia, Cohort, Lassosum, RC0321, business, Psychiatric disorders, 030217 neurology & neurosurgery, Genome-Wide Association Study
Abstract: BACKGROUND: Polygenic scores (PGSs), which assess the genetic risk of individuals for a disease, are calculated as a weighted count of risk alleles identified in genome-wide association studies. PGS methods differ in which DNA variants are included and the weights assigned to them; some require an independent tuning sample to help inform these choices. PGSs are evaluated in independent target cohorts with known disease status. Variability between target cohorts is observed in applications to real data sets, which could reflect a number of factors, e.g., phenotype definition or technical factors.METHODS: The Psychiatric Genomics Consortium Working Groups for schizophrenia and major depressive disorder bring together many independently collected case-control cohorts. We used these resources (31,328 schizophrenia cases, 41,191 controls; 248,750 major depressive disorder cases, 563,184 controls) in repeated application of leave-one-cohort-out meta-analyses, each used to calculate and evaluate PGS in the left-out (target) cohort. Ten PGS methods (the baseline PC+T method and 9 methods that model genetic architecture more formally: SBLUP, LDpred2-Inf, LDpred-funct, LDpred2, Lassosum, PRS-CS, PRS-CS-auto, SBayesR, MegaPRS) were compared.RESULTS: Compared with PC+T, the other 9 methods gave higher prediction statistics, MegaPRS, LDPred2, and SBayesR significantly so, explaining up to 9.2% variance in liability for schizophrenia across 30 target cohorts, an increase of 44%. For major depressive disorder across 26 target cohorts, these statistics were 3.5% and 59%, respectively.CONCLUSIONS: Although the methods that more formally model genetic architecture have similar performance, MegaPRS, LDpred2, and SBayesR rank highest in most comparisons and are recommended in applications to psychiatric disorders.
Published: 2021

23. Genome-wide association study of more than 40,000 bipolar disorder cases provides new insights into the underlying biology

Author: James McKay, Frank Bellivier, Mark A. Frye, Bertram Müller-Myhsok, Fermín Mayoral, I. Nicol Ferrier, Marion Leboyer, Fabian Streit, Dan J. Stein, James L. Kennedy, Christine Søholm Hansen, Scott D. Gordon, Beata Świątkowska, Valentina Escott-Price, Michael Bauer, Lina Martinsson, Donald J. MacIntyre, Oleksandr Frei, Daniel J. Smith, Sara A. Paciga, Takeo Saito, Jennifer L. Moran, Verneri Antilla, C Pantelis, Tomas Olsson, Swapnil Awasthi, Lena Backlund, Eirini Maratou, Martin Schalling, John B. Vincent, Niamh Mullins, Sarah E. Bergen, Niamh L. O'Brien, Marco P. Boks, Carsten Bøcker Pedersen, Mikael Landén, Franziska Degenhardt, Hang Zhou, Margarita Rivera, Andrew M. McIntosh, Manuel Mattheisen, Shawn Levy, Roy H. Perlis, John P. Rice, Sigurdur H. Magnusson, Amanda Dobbyn, Michael Conlon O'Donovan, Julien Bryois, Wolfgang Maier, John-Anker Zwart, J. Raymond DePaulo, Martin Alda, Laura G. Sloofman, Friederike Sophie David, James A. Knowles, Aiden Corvin, Thomas G. Schulze, Markus M. Nöthen, Nolan Kamitaki, Nina Dalkner, Brandon J. Coombes, Gustavo Turecki, Allan H. Young, Caroline M. Nievergelt, Patricia T. Michie, Ingrid Agartz, Towfique Raj, Diego Albani, Maria Grigoroiu-Serbanescu, Bernhard T. Baune, Kyooseob Ha, Vincent Millischer, Engilbert Sigurdsson, Eva C. Beins, Nicholas G. Martin, Gulja Babadjanova, Josef Frank, Eva Z. Reininghaus, Patrick F. Sullivan, Ian R. Gizer, Guy A. Rouleau, Carmel M. Loughland, Christine Lochner, Thorsten M. Kranz, Amy Perry, Arne E. Vaaler, Mariam M. Al Eissa, Simon Xi, Claire O'Donovan, Josep Antoni Ramos-Quiroga, Ketil J. Oedegaard, Helmut Vedder, Carol A. Mathews, Panagiotis Ferentinos, Tim B. Bigdeli, Derek W. Morris, Per Hoffmann, Mark Hyman Rapaport, Peter P. Zandi, Michael John Owen, Douglas M. Ruderfer, Anders D. Børglum, Catharina Lavebratt, Thorgeir E. Thorgeirsson, Paul A. Tooney, Michiaki Kubo, Steven A. Kushner, Jan Hillert, Loes M. Olde Loohuis, Anastasia Antoniou, Murielle Brum, Chikashi Terao, Nathaniel W. McGregor, Fabio Rivas, James B. Potash, Kevin S. O’Connell, Susanne Lucae, Brian M. Schilder, Katrin Gade, Stephan Ripke, Kristina Adorjan, Kari Stefansson, Tiffany A. Greenwood, Panos Roussos, Sarah Kittel-Schneider, Steven A. McCarroll, Sergi Papiol, Heon Jeong Lee, Assen Jablensky, Liliya Abramova, Dennis Hellgren, Jonas Bybjerg-Grauholm, Martin Lundberg, Hong-Hee Won, William Byerley, Lars Alfredsson, Joel Gelernter, Andrew McQuillin, Claire Slaney, Marta Ribasés, Stephanie H. Witt, Yoichiro Kamatani, Kyung Sue Hong, Marie Bækvad-Hansen, María Soler Artigas, Julie M. Cunningham, Fanny Senner, Stacy Steinberg, Paul D. Shilling, Nakao Iwata, Eystein Stordal, Armin Birner, Sarah E. Medland, Miquel Casas, Ben Michael Brumpton, Erlend Bøen, Bryan J. Mowry, Jolanta Lissowska, Francis J. McMahon, Howard J. Edenberg, Grant W. Montgomery, John I. Nurnberger, Stéphane Jamain, Claudio Toma, Ney Alliey-Rodriguez, Ole Mors, Micha Gawlik, David Curtis, Catrin Lewis, Evangelia-Eirini Tsermpini, Georgia Panagiotaropoulou, Marcella Rietschel, Jessica Yang, Ian Jones, Eduard Vieta, Ole A. Andreassen, Richard M. Myers, Dimitris Dikeos, Melissa J. Green, Janet L. Sobell, Maria Koromina, Piotr M. Czerski, Lilijana Oruc, Sven Cichon, Udo Dannlowski, Bruno Etain, Monika Budde, Alessia Fiorentino, Naomi R. Wray, Qingqin S. Li, Murray J. Cairns, Jonathan R. I. Coleman, Jose Guzman-Parra, Andreas J. Forstner, Hannah Young, Alfredo B. Cuellar-Barboza, Julian Roth, Torbjørn Elvsåshagen, Zhen Qiao, Thomas Werge, Athanassios Douzenis, Cristiana Cruceanu, Rolf Adolfsson, Peter Holmans, Vaughan J. Carr, Thomas W. Weickert, Masashi Ikeda, Joanna M. Biernacka, Lea Sirignano, Adam X. Maihofer, Ralph W. Kupka, John Strauss, Anders M. Dale, Elliot S. Gershon, Jakob Grove, Arianna Di Florio, Helena Medeiros, Ingrid Melle, Preben Bo Mortensen, Kristi Krebs, Saskia P. Hagenaars, Liz Forty, Stanley V. Catts, David M. Hougaard, Marianne Giørtz Pedersen, Andreas Reif, Toni-Kim Clarke, Anne T. Spijker, Danielle Posthuma, Manolis Kogevinas, Michael Boehnke, Rosa Bosch, Gerome Breen, Benjamin M. Neale, Jessica S. Johnson, Katherine Gordon-Smith, Cristina Sánchez-Mora, Alexander W. Charney, Henry R. Kranzler, Digby Quested, René S. Kahn, Lili Milani, Merete Nordentoft, Nathalie Brunkhorst-Kanaan, Laura M. Huckins, James T.R. Walters, Sigrid Børte, Antonio F. Pardiñas, Kristian Hveem, Julie Garnham, Jacob Lawrence, Vassily Trubetskoy, Rodney J. Scott, Nicholas Bass, Carlos N. Pato, Andrea Pfennig, Wei Xu, Calwing Liao, Nicholas John Craddock, Thomas Damm Als, Christina M. Hultman, Fernando S. Goes, Adebayo Anjorin, Evgenia Porichi, Frans Henskens, Nelson B. Freimer, Janice M. Fullerton, Cathryn M. Lewis, Srdjan Djurovic, Roel A. Ophoff, Phil Lee, Peter McGuffin, Gunnar Morken, George P. Patrinos, Alessandro Serretti, Cynthia Shannon Weickert, Pablo Cervantes, Bendik S. Winsvold, Tatiana Foroud, Tõnu Esko, Ulrich Schall, Michele T. Pato, Ji Hyun Baek, John R. Kelsoe, Olav B. Smeland, Janos Kalman, Eva C. Schulte, Joanna Hauser, Urs Heilbronner, Magnús Haraldsson, Martin Hautzinger, Lea Zillich, Eline J. Regeer, Douglas Blackwood, Laura J. Scott, Jordan W. Smoller, Michael J. Gandal, Marquis P. Vawter, Philip B. Mitchell, Ole Kristian Drange, Peter R. Schofield, Susanne Bengesser, Stefan Herms, George Kirov, Markus Leber, Louise Frisén, Thomas W. Mühleisen, Susan L. McElroy, Irwin D. Waldman, Wade H. Berrettini, Sally I. Sharp, Minsoo Kim, Lisa Jones, Eli A. Stahl, Hreinn Stefansson, Esben Agerbo, Dolores Malaspina, Complex Trait Genetics, Amsterdam Neuroscience - Complex Trait Genetics, Psychiatry, APH - Mental Health, Amsterdam Neuroscience - Mood, Anxiety, Psychosis, Stress & Sleep, Human genetics, Amsterdam Neuroscience - Compulsivity, Impulsivity & Attention, Amsterdam Reproduction & Development (AR&D), APH - Digital Health, Mullins N., Forstner A.J., O'Connell K.S., Coombes B., Coleman J.R.I., Qiao Z., Als T.D., Bigdeli T.B., Borte S., Bryois J., Charney A.W., Drange O.K., Gandal M.J., Hagenaars S.P., Ikeda M., Kamitaki N., Kim M., Krebs K., Panagiotaropoulou G., Schilder B.M., Sloofman L.G., Steinberg S., Trubetskoy V., Winsvold B.S., Won H.-H., Abramova L., Adorjan K., Agerbo E., Al Eissa M., Albani D., Alliey-Rodriguez N., Anjorin A., Antilla V., Antoniou A., Awasthi S., Baek J.H., Baekvad-Hansen M., Bass N., Bauer M., Beins E.C., Bergen S.E., Birner A., Bocker Pedersen C., Boen E., Boks M.P., Bosch R., Brum M., Brumpton B.M., Brunkhorst-Kanaan N., Budde M., Bybjerg-Grauholm J., Byerley W., Cairns M., Casas M., Cervantes P., Clarke T.-K., Cruceanu C., Cuellar-Barboza A., Cunningham J., Curtis D., Czerski P.M., Dale A.M., Dalkner N., David F.S., Degenhardt F., Djurovic S., Dobbyn A.L., Douzenis A., Elvsashagen T., Escott-Price V., Ferrier I.N., Fiorentino A., Foroud T.M., Forty L., Frank J., Frei O., Freimer N.B., Frisen L., Gade K., Garnham J., Gelernter J., Giortz Pedersen M., Gizer I.R., Gordon S.D., Gordon-Smith K., Greenwood T.A., Grove J., Guzman-Parra J., Ha K., Haraldsson M., Hautzinger M., Heilbronner U., Hellgren D., Herms S., Hoffmann P., Holmans P.A., Huckins L., Jamain S., Johnson J.S., Kalman J.L., Kamatani Y., Kennedy J.L., Kittel-Schneider S., Knowles J.A., Kogevinas M., Koromina M., Kranz T.M., Kranzler H.R., Kubo M., Kupka R., Kushner S.A., Lavebratt C., Lawrence J., Leber M., Lee H.-J., Lee P.H., Levy S.E., Lewis C., Liao C., Lucae S., Lundberg M., MacIntyre D.J., Magnusson S.H., Maier W., Maihofer A., Malaspina D., Maratou E., Martinsson L., Mattheisen M., McCarroll S.A., McGregor N.W., McGuffin P., McKay J.D., Medeiros H., Medland S.E., Millischer V., Montgomery G.W., Moran J.L., Morris D.W., Muhleisen T.W., O'Brien N., O'Donovan C., Olde Loohuis L.M., Oruc L., Papiol S., Pardinas A.F., Perry A., Pfennig A., Porichi E., Potash J.B., Quested D., Raj T., Rapaport M.H., DePaulo J.R., Regeer E.J., Rice J.P., Rivas F., Rivera M., Roth J., Roussos P., Ruderfer D.M., Sanchez-Mora C., Schulte E.C., Senner F., Sharp S., Shilling P.D., Sigurdsson E., Sirignano L., Slaney C., Smeland O.B., Smith D.J., Sobell J.L., Soholm Hansen C., Soler Artigas M., Spijker A.T., Stein D.J., Strauss J.S., Swiatkowska B., Terao C., Thorgeirsson T.E., Toma C., Tooney P., Tsermpini E.-E., Vawter M.P., Vedder H., Walters J.T.R., Witt S.H., Xi S., Xu W., Yang J.M.K., Young A.H., Young H., Zandi P.P., Zhou H., Zillich L., Adolfsson R., Agartz I., Alda M., Alfredsson L., Babadjanova G., Backlund L., Baune B.T., Bellivier F., Bengesser S., Berrettini W.H., Blackwood D.H.R., Boehnke M., Borglum A.D., Breen G., Carr V.J., Catts S., Corvin A., Craddock N., Dannlowski U., Dikeos D., Esko T., Etain B., Ferentinos P., Frye M., Fullerton J.M., Gawlik M., Gershon E.S., Goes F.S., Green M.J., Grigoroiu-Serbanescu M., Hauser J., Henskens F., Hillert J., Hong K.S., Hougaard D.M., Hultman C.M., Hveem K., Iwata N., Jablensky A.V., Jones I., Jones L.A., Kahn R.S., Kelsoe J.R., Kirov G., Landen M., Leboyer M., Lewis C.M., Li Q.S., Lissowska J., Lochner C., Loughland C., Martin N.G., Mathews C.A., Mayoral F., McElroy S.L., McIntosh A.M., McMahon F.J., Melle I., Michie P., Milani L., Mitchell P.B., Morken G., Mors O., Mortensen P.B., Mowry B., Muller-Myhsok B., Myers R.M., Neale B.M., Nievergelt C.M., Nordentoft M., Nothen M.M., O'Donovan M.C., Oedegaard K.J., Olsson T., Owen M.J., Paciga S.A., Pantelis C., Pato C., Pato M.T., Patrinos G.P., Perlis R.H., Posthuma D., Ramos-Quiroga J.A., Reif A., Reininghaus E.Z., Ribases M., Rietschel M., Ripke S., Rouleau G.A., Saito T., Schall U., Schalling M., Schofield P.R., Schulze T.G., Scott L.J., Scott R.J., Serretti A., Shannon Weickert C., Smoller J.W., Stefansson H., Stefansson K., Stordal E., Streit F., Sullivan P.F., Turecki G., Vaaler A.E., Vieta E., Vincent J.B., Waldman I.D., Weickert T.W., Werge T., Wray N.R., Zwart J.-A., Biernacka J.M., Nurnberger J.I., Cichon S., Edenberg H.J., Stahl E.A., McQuillin A., Di Florio A., Ophoff R.A., Andreassen O.A., IMRB - 'Neuropsychiatrie translationnelle' [Créteil] (U955 Inserm - UPEC), Institut Mondor de Recherche Biomédicale (IMRB), Institut National de la Santé et de la Recherche Médicale (INSERM)-IFR10-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12)-Institut National de la Santé et de la Recherche Médicale (INSERM)-IFR10-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12), Centre International de Recherche contre le Cancer - International Agency for Research on Cancer (CIRC - IARC), Organisation Mondiale de la Santé / World Health Organization Office (OMS / WHO), Optimisation thérapeutique en Neuropsychopharmacologie (OPTeN (UMR_S_1144 / U1144)), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité), Groupe Hospitalier Saint Louis - Lariboisière - Fernand Widal [Paris], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), and Etain, Bruno
Subjects: Multifactorial Inheritance, Bipolar Disorder, [SDV.MHEP.PSM] Life Sciences [q-bio]/Human health and pathology/Psychiatrics and mental health, Medizin, Genome-wide association study, Major Histocompatibility Complex/genetics, Major Histocompatibility Complex, 0302 clinical medicine, Risk Factors, MESH: Risk Factors, MESH: Bipolar Disorder, Chromosomes, Human, Spectrum disorder, Genetics, 0303 health sciences, Bipolar Disorder/genetics, MESH: Genetic Predisposition to Disease, MESH: Case-Control Studies, Phenotype, Schizophrenia, Synaptic signaling, Case-Control Studie, Human, Quantitative Trait Loci, Biology, MESH: Phenotype, MESH: Chromosomes, Human, Article, 03 medical and health sciences, MESH: Major Histocompatibility Complex, SDG 3 - Good Health and Well-being, ddc:570, medicine, Humans, Genetic Predisposition to Disease, Bipolar disorder, Multifactorial Inheritance/genetics, MESH: Genome, Human, 030304 developmental biology, MESH: Humans, Genome, Human, Risk Factor, Chromosomes, Human/genetics, Mental illness, medicine.disease, MESH: Quantitative Trait Loci, Human genetics, Psychologie, Case-Control Studies, [SDV.MHEP.PSM]Life Sciences [q-bio]/Human health and pathology/Psychiatrics and mental health, MESH: Genome-Wide Association Study, Expression quantitative trait loci, MESH: Multifactorial Inheritance, Quantitative Trait Loci/genetics, 030217 neurology & neurosurgery, Genome-Wide Association Study
Abstract: International audience; Bipolar disorder is a heritable mental illness with complex etiology. We performed a genome-wide association study of 41,917 bipolar disorder cases and 371,549 controls of European ancestry, which identified 64 associated genomic loci. Bipolar disorder risk alleles were enriched in genes in synaptic signaling pathways and brain-expressed genes, particularly those with high specificity of expression in neurons of the prefrontal cortex and hippocampus. Significant signal enrichment was found in genes encoding targets of antipsychotics, calcium channel blockers, antiepileptics and anesthetics. Integrating expression quantitative trait locus data implicated 15 genes robustly linked to bipolar disorder via gene expression, encoding druggable targets such as HTR6, MCHR1, DCLK3 and FURIN. Analyses of bipolar disorder subtypes indicated high but imperfect genetic correlation between bipolar disorder type I and II and identified additional associated loci. Together, these results advance our understanding of the biological etiology of bipolar disorder, identify novel therapeutic leads and prioritize genes for functional follow-up studies.
Published: 2021

24. Examining sex differences in neurodevelopmental and psychiatric genetic risk in anxiety and depression

Author: Cathryn M. Lewis, Antonio F. Pardiñas, Ole Mors, Ian Jones, Brenda W.J.H. Penninx, Frances Rice, Michael Conlon O'Donovan, Kimiya Asjadi, Dorret I. Boomsma, Leon Hubbard, Niamh Mullins, Steven P. Hamilton, Andrew M. McIntosh, Anita Thapar, James T.R. Walters, Bradley Jermy, Martin Preisig, Nicholas G. Martin, Marcella Rietschel, Patrik K. E. Magnusson, Bernhard T. Baune, Divya Mehta, Susanne Lucae, Kimberley Kendall, Joanna Martin, Major Depressive Disorder Working Group of the Psychiatric Genomics Consortium, Guloksuz, Sinan, Biological Psychology, APH - Mental Health, APH - Methodology, Psychiatry, Amsterdam Neuroscience - Complex Trait Genetics, Amsterdam Neuroscience - Mood, Anxiety, Psychosis, Stress & Sleep, and APH - Digital Health
Subjects: DISORDER, Male, Epidemiology, CHILDHOOD, Anxiety, Cohort Studies, Medical Conditions, Medicine and Health Sciences, EPIDEMIOLOGY, Age of Onset, Family history, Child, Medical History Taking, Depression (differential diagnoses), Multidisciplinary, medicine.diagnostic_test, Depression, Middle Aged, Anxiety Disorders, Neurology, Schizophrenia, Major depressive disorder, Medicine, Female, medicine.symptom, Research Article, Adult, medicine.medical_specialty, Adolescent, DNA Copy Number Variations, Science, BF, TWIN, Neuropsychiatric Disorders, Neuroses, Young Adult, AGE, Sex Factors, Developmental Neuroscience, SDG 3 - Good Health and Well-being, Mental Health and Psychiatry, mental disorders, Genetics, medicine, Humans, Attention deficit hyperactivity disorder, Genetic Predisposition to Disease, GENOME-WIDE ASSOCIATION, Psychiatry, Aged, Genetic testing, Clinical Genetics, Depressive Disorder, Major, Mood Disorders, business.industry, Biology and Life Sciences, Human Genetics, MAJOR DEPRESSION, medicine.disease, Neurodevelopmental Disorders, Attention Deficit Disorder with Hyperactivity, Medical Risk Factors, ONSET, RC0321, Adhd, Age of onset, business, Neuroscience
Abstract: Anxiety and depression are common mental health disorders and have a higher prevalence in females. They are modestly heritable, share genetic liability with other psychiatric disorders, and are highly heterogeneous. There is evidence that genetic liability to neurodevelopmental disorders, such as attention deficit hyperactivity disorder (ADHD) is associated with anxiety and depression, particularly in females. We investigated sex differences in family history for neurodevelopmental and psychiatric disorders and neurodevelopmental genetic risk burden (indexed by ADHD polygenic risk scores (PRS) and rare copy number variants; CNVs) in individuals with anxiety and depression, also taking into account age at onset. We used two complementary datasets: 1) participants with a self-reported diagnosis of anxiety or depression (N = 4,178, 65.5% female; mean age = 41.5 years; N = 1,315 with genetic data) from the National Centre for Mental Health (NCMH) cohort and 2) a clinical sample of 13,273 (67.6% female; mean age = 45.2 years) patients with major depressive disorder (MDD) from the Psychiatric Genomics Consortium (PGC). We tested for sex differences in family history of psychiatric problems and presence of rare CNVs (neurodevelopmental and >500kb loci) in NCMH only and for sex differences in ADHD PRS in both datasets. In the NCMH cohort, females were more likely to report family history of neurodevelopmental and psychiatric disorders, but there were no robust sex differences in ADHD PRS or presence of rare CNVs. There was weak evidence of higher ADHD PRS in females compared to males in the PGC MDD sample, particularly in those with an early onset of MDD. These results do not provide strong evidence of sex differences in neurodevelopmental genetic risk burden in adults with anxiety and depression. This indicates that sex may not be a major index of neurodevelopmental genetic heterogeneity, that is captured by ADHD PRS and rare CNV burden, in adults with anxiety and depression.
Published: 2021

25. Association of genetic liability for psychiatric disorders with accelerometer-assessed physical activity in the UK Biobank

Author: Michael Conlon O'Donovan, Daniel J. Smith, Valentina Escott-Price, Matthew Bracher-Smith, Charlotte Dennison, Georgina E. Menzies, James T.R. Walters, Michael John Owen, Aiden R. Doherty, and Sophie E. Legge
Subjects: Male, Bipolar Disorder, Social Sciences, Medical Conditions, Risk Factors, Accelerometry, Medicine and Health Sciences, Psychology, Public and Occupational Health, Depression (differential diagnoses), Biological Specimen Banks, Multidisciplinary, Depression, Mental Disorders, Biobank, Neurology, Schizophrenia, Medical genetics, Medicine, Research Article, Adult, medicine.medical_specialty, Science, Neuropsychiatric Disorders, Developmental Neuroscience, Mental Health and Psychiatry, medicine, Humans, Bipolar disorder, Psychiatry, Association (psychology), Exercise, Clinical Genetics, Behavior, business.industry, Mood Disorders, Biology and Life Sciences, Physical Activity, medicine.disease, United Kingdom, Neurodevelopmental Disorders, Autism, Adhd, Sedentary Behavior, business, Diagnosis of schizophrenia, Neuroscience
Abstract: Levels of activity are often affected in psychiatric disorders and can be core symptoms of illness. Advances in technology now allow the accurate assessment of activity levels but it remains unclear whether alterations in activity arise from shared risk factors for developing psychiatric disorders, such as genetics, or are better explained as consequences of the disorders and their associated factors. We aimed to examine objectively-measured physical activity in individuals with psychiatric disorders, and assess the role of genetic liability for psychiatric disorders on physical activity. Accelerometer data were available on 95,529 UK Biobank participants, including measures of overall mean activity and minutes per day of moderate activity, walking, sedentary activity, and sleep. Linear regressions measured associations between psychiatric diagnosis and activity levels, and polygenic risk scores (PRS) for psychiatric disorders and activity levels. Genetic correlations were calculated between psychiatric disorders and different types of activity. Having a diagnosis of schizophrenia, bipolar disorder, depression, or autism spectrum disorders (ASD) was associated with reduced overall activity compared to unaffected controls. In individuals without a psychiatric disorder, reduced overall activity levels were associated with PRS for schizophrenia, depression, and ASD. ADHD PRS was associated with increased overall activity. Genetic correlations were consistent with PRS findings. Variation in physical activity is an important feature across psychiatric disorders. Whilst levels of activity are associated with genetic liability to psychiatric disorders to a very limited extent, the substantial differences in activity levels in those with psychiatric disorders most likely arise as a consequences of disorder-related factors.
Published: 2021

26. Patient, interrupted: MEG oscillation dynamics reveal temporal dysconnectivity in schizophrenia

Author: James T.R. Walters, Laura Knight, Golnoush Alamian, Krish D. Singh, Tarek Lajnef, Karim Jerbi, and Annalisa Pascarella
Subjects: Oscillations, Cognitive Neuroscience, Schizophrenia (object-oriented programming), SVM, Support vector machine, Schizophrenia Magnetoencephalography Resting-state Oscillations Long-range-temporal-correlations Machine-learning, lcsh:Computer applications to medicine. Medical informatics, behavioral disciplines and activities, 050105 experimental psychology, lcsh:RC346-429, Machine Learning, Resting-state, 03 medical and health sciences, 0302 clinical medicine, LRTCs, Long-range-temporal-correlations, Neuroimaging, MEG, Magnetoencephalography, mental disorders, medicine, Humans, 0501 psychology and cognitive sciences, Radiology, Nuclear Medicine and imaging, In patient, Machine-learning, lcsh:Neurology. Diseases of the nervous system, SAPS, Scale for the assessment of positive symptoms, Brain Mapping, medicine.diagnostic_test, Resting state fMRI, 05 social sciences, Information processing, Brain, Magnetoencephalography, Regular Article, Temporal correlation, ASRM, Altman self-rating mania scale, Long-range-temporal-correlations, Electrophysiology, SANS, Scale for the assessment of negative symptoms, Neurology, Schizophrenia, lcsh:R858-859.7, Female, BDI, Beck’s depression inventory, Neurology (clinical), Psychology, Neuroscience, 030217 neurology & neurosurgery
Abstract: Highlights • Temporal autocorrelation is attenuated in the neural dynamics of schizophrenia. • Alterations are primarily observed in the alpha and beta frequency bands. • Machine-learning significantly classified patients and controls with 82% accuracy. • Brain regions showing disrupted temporal connectivity include (para)limbic areas. • Long-range temporal correlation informs on temporal dysconnectivity in schizophrenia., Current theories of schizophrenia emphasize the role of altered information integration as the core dysfunction of this illness. While ample neuroimaging evidence for such accounts comes from investigations of spatial connectivity, understanding temporal disruptions is important to fully capture the essence of dysconnectivity in schizophrenia. Recent electrophysiology studies suggest that long-range temporal correlation (LRTC) in the amplitude dynamics of neural oscillations captures the integrity of transferred information in the healthy brain. Thus, in this study, 25 schizophrenia patients and 25 controls (8 females/group) were recorded during two five-minutes of resting-state magnetoencephalography (once with eyes-open and once with eyes-closed). We used source-level analyses to investigate temporal dysconnectivity in patients by characterizing LRTCs across cortical and sub-cortical brain regions. In addition to standard statistical assessments, we applied a machine learning framework using support vector machine to evaluate the discriminative power of LRTCs in identifying patients from healthy controls. We found that neural oscillations in schizophrenia patients were characterized by reduced signal memory and higher variability across time, as evidenced by cortical and subcortical attenuations of LRTCs in the alpha and beta frequency bands. Support vector machine significantly classified participants using LRTCs in key limbic and paralimbic brain areas, with decoding accuracy reaching 82%. Importantly, these brain regions belong to networks that are highly relevant to the symptomology of schizophrenia. These findings thus posit temporal dysconnectivity as a hallmark of altered information processing in schizophrenia, and help advance our understanding of this pathology.
Published: 2020

27. Dopamine and Glutamate in Antipsychotic-Responsive compared to Antipsychotic Non-Responsive Psychosis::A Multicentre Positron Emission Tomography and Magnetic Resonance Spectroscopy Study (STRATA)

Author: Kira Griffiths, Lily McNamee, Richard Drake, Stephen M. Lawrie, Emma Eliasson, Emily J B Lambe, Jacek Donocik, Charlotte Stockton-Powdrell, Gareth J. Barker, Scott Semple, Alice Egerton, Laura Kassoumeri, Julian C. Matthews, Ernest H. Wagner, Laura Knight, Tracy Collier, Stephen R. Williams, Mattia Veronese, Shitij Kapur, James H. MacCabe, David J. Lythgoe, Richard Emsley, James T.R. Walters, Bill Deakin, Alexander D Shaw, Adriana Anton, Peter S. Talbot, Oliver D. Howes, Jane Lees, Shôn Lewis, Catherine J Gregory, Krish D. Singh, Anna Murphy, and Philip McGuire
Subjects: Adult, Male, medicine.medical_specialty, Psychosis, 1H-MRS, AcademicSubjects/MED00810, Dopamine, Proton Magnetic Resonance Spectroscopy, medicine.medical_treatment, Glutamic Acid, Gyrus Cinguli, antipsychotic response, treatment resistance, Young Adult, 03 medical and health sciences, 0302 clinical medicine, Neuroimaging, Internal medicine, Humans, Medicine, Antipsychotic, Anterior cingulate cortex, medicine.diagnostic_test, business.industry, Glutamate receptor, Middle Aged, medicine.disease, Corpus Striatum, 030227 psychiatry, schizophrenia, Psychiatry and Mental health, Cross-Sectional Studies, Endocrinology, medicine.anatomical_structure, PET, Psychotic Disorders, Positron emission tomography, Schizophrenia, Positron-Emission Tomography, Female, business, 030217 neurology & neurosurgery, Antipsychotic Agents, Regular Articles, medicine.drug
Abstract: The variability in the response to antipsychotic medication in schizophrenia may reflect between-patient differences in neurobiology. Recent cross-sectional neuroimaging studies suggest that a poorer therapeutic response is associated with relatively normal striatal dopamine synthesis capacity but elevated anterior cingulate cortex (ACC) glutamate levels. We sought to test whether these measures can differentiate patients with psychosis who are antipsychotic responsive from those who are antipsychotic nonresponsive in a multicenter cross-sectional study. 1H-magnetic resonance spectroscopy (1H-MRS) was used to measure glutamate levels (Glucorr) in the ACC and in the right striatum in 92 patients across 4 sites (48 responders [R] and 44 nonresponders [NR]). In 54 patients at 2 sites (25 R and 29 NR), we additionally acquired 3,4-dihydroxy-6-[18F]fluoro-l-phenylalanine (18F-DOPA) positron emission tomography (PET) to index striatal dopamine function (Kicer, min−1). The mean ACC Glucorr was higher in the NR than the R group after adjustment for age and sex (F1,80 = 4.27; P = .04). This was associated with an area under the curve for the group discrimination of 0.59. There were no group differences in striatal dopamine function or striatal Glucorr. The results provide partial further support for a role of ACC glutamate, but not striatal dopamine synthesis, in determining the nature of the response to antipsychotic medication. The low discriminative accuracy might be improved in groups with greater clinical separation or increased in future studies that focus on the antipsychotic response at an earlier stage of the disorder and integrate other candidate predictive biomarkers. Greater harmonization of multicenter PET and 1H-MRS may also improve sensitivity.
Published: 2020

28. Schizophrenia, autism spectrum disorders and developmental disorders share specific disruptive coding mutations

Author: Wei J. Chen, Michael Conlon O'Donovan, Peter Holmans, Michael J. Owen, Hai-Gwo Hwu, Elliott Rees, James T.R. Walters, Ming T. Tsuang, George Kirov, Romain Rey, Hugo Creeth, and Stephen J. Glatt
Subjects: Male, Autism Spectrum Disorder, Autism, Developmental Disabilities, General Physics and Astronomy, Coding (therapy), Neurodevelopmental disorder, fluids and secretions, Intellectual disability, 2.1 Biological and endogenous factors, Aetiology, Child, reproductive and urinary physiology, Pediatric, Genetics, Multidisciplinary, Serious Mental Illness, Phenotype, Pedigree, Mental Health, Schizophrenia, Female, Adult, Intellectual and Developmental Disabilities (IDD), Science, Schizophrenia (object-oriented programming), Biology, behavioral disciplines and activities, General Biochemistry, Genetics and Molecular Biology, Intellectual Disability, mental disorders, medicine, Humans, Genetic Predisposition to Disease, Gene, De novo mutations, Genetic Association Studies, Family Health, business.industry, Neurosciences, General Chemistry, Histone-Lysine N-Methyltransferase, medicine.disease, Brain Disorders, Neurodevelopmental Disorders, Mutation, Etiology, business
Abstract: People with schizophrenia are enriched for rare coding variants in genes associated with neurodevelopmental disorders, particularly autism spectrum disorders and intellectual disability. However, it is unclear if the same changes to gene function that increase risk to neurodevelopmental disorders also do so for schizophrenia. Using data from 3444 schizophrenia trios and 37,488 neurodevelopmental disorder trios, we show that within shared risk genes, de novo variants in schizophrenia and neurodevelopmental disorders are generally of the same functional category, and that specific de novo variants observed in neurodevelopmental disorders are enriched in schizophrenia (P = 5.0 × 10−6). The latter includes variants known to be pathogenic for syndromic disorders, suggesting that schizophrenia be included as a characteristic of those syndromes. Our findings imply that, in part, neurodevelopmental disorders and schizophrenia have shared molecular aetiology, and therefore likely overlapping pathophysiology, and support the hypothesis that at least some forms of schizophrenia lie on a continuum of neurodevelopmental disorders. Overlapping genes have been implicated in schizophrenia and neurodevelopmental disorders. Here, the authors overlap de novo variants in the two types of disorders and find variants in these genes with the same functional effect and in some cases the same specific variants.
Published: 2020

29. Genome-wide association studies in schizophrenia: Recent advances, challenges and future perspective

Author: Antonio F. Pardiñas, James T.R. Walters, Charlotte Dennison, and Sophie E. Legge
Subjects: Multifactorial Inheritance, Future perspective, Schizophrenia (object-oriented programming), Genome-wide association study, Data science, Polymorphism, Single Nucleotide, Genetic architecture, 030227 psychiatry, 03 medical and health sciences, Psychiatry and Mental health, 0302 clinical medicine, Functional annotation, Schizophrenia, Humans, Polygenic risk score, Genetic Predisposition to Disease, Psychology, 030217 neurology & neurosurgery, Biological Psychiatry, Gene Discovery, Genetic association, Genome-Wide Association Study
Abstract: Genome-wide association studies (GWAS) have proved to be a powerful approach for gene discovery in schizophrenia; their findings have important implications not just for our understanding of the genetic architecture of the disorder, but for the potential applications of personalised medicine through improved classification and targeted interventions. In this article we review the current status of the GWAS literature in schizophrenia including functional annotation methods and polygenic risk scoring, as well as the directions and challenges of future research. We consider recent findings in East Asian populations and the advancements from trans-ancestry analysis, as well as the insights gained from research looking across psychiatric disorders.
Published: 2020

30. Genetic contributors to risk of schizophrenia in the presence of a 22q11.2 deletion

Author: Richard Duncan, Tao Wang, Carrie E. Bearden, David J. Cutler, Stephen T. Warren, Maria Pontillo, Robert Sean Gallagher, Elemi J. Breetvelt, Tingwei Guo, Nancy J. Butcher, Jennifer G. Mulle, Claudia Ornstein, Claudia Vingerhoets, Clodagh M. Murphy, Ehud Mekori-Domachevsky, Wendy R. Kates, Jacob A. S. Vorstman, Tracy Heung, Joris Vermeesch, Maria Gudbrandsen, Ann Swillen, H. Richard Johnston, Oanh Tran, Marco Armando, Joseph F. Cubells, Raoul Belzeaux, Jeroen Breckpot, Bruno Marino, Tony J. Simon, Harold I. Salmons, Maria Jalbrzikowski, Wanda Fremont, Anna J. Voss, Worrawat Engchuan, Opal Y. Ousley, Stefano Vicari, Jordi Rosell, Sixto García-Miñaur, Declan G. Murphy, Alexander Diacou, Ania Fiksinski, Abraham Weizman, Edward Moss, Stephan Eliez, Miri Carmel, Vandana Shashi, Anne S. Bassett, Ronnie Weinberger, Hayley Moss, Marianne Bernadette van den Bree, Kelly Schoch, Maude Schneider, Linda E. Campbell, Sasja N. Duijff, Eileen Daly, Annick Vogels, Stephen R. Hooper, David Fraguas, Sarah E. Prasad, Chelsea Lowther, Michael John Owen, Frédérique Béna, Gabriela M. Repetto, Eva W.C. Chow, Bernice E. Morrow, Robert J. Sharkus, Celso Arango, Christian R. Marshall, Jasna Raventos-Simic, Jaume Morey-Canyelles, Tiffany Busa, Andrea Jin, James T.R. Walters, Leila Kushan, Wolfram Demaerel, Monica E. Calkins, Jhih Rong Lin, Elaine H. Zackai, Esther D.A. van Duin, Antonio Buzzanca, Corrado Sandini, Kieran C. Murphy, Beverly S. Emanuel, Erik Boot, Maria Niarchou, Nigel Williams, Elfi Vergaelen, Maria Cristina Digilio, Daniele Merico, Karlene Coleman, Gregory A. Costain, Matthew S. Hestand, Peter Holmans, Michael E. Zwick, Michael P. Epstein, Damià H. Suñer, Yingjie Zhao, Marta Unolt, Kathryn McCabe, Aaron M. Holleman, Zhengdong Zhang, Rosemarie Fritsch, Alex V. Kotlar, Elena Michaelovsky, T. Blaine Crowley, Brenna Lilley, Sunny X. Tang, Rens Evers, Ruben C. Gur, Isabelle Cleynen, Flora Tassone, Nicole Philip, Kevin M. Antshel, Koen Devriendt, Antonio F. Pardiñas, Pankaj Chopra, Thomas Monfeuga, Fabio Di Fabio, Therese van Amelsvoort, Aaron Golden, Doron Gothelf, Donna M. McDonald-McGinn, Raquel E. Gur, Daniel E. McGinn, Catholic University of Leuven - Katholieke Universiteit Leuven (KU Leuven), The Hospital for sick children [Toronto] (SickKids), Emory University [Atlanta, GA], Cardiff University, University of Pennsylvania [Philadelphia], Albert Einstein College of Medicine [New York], University Hospitals Leuven [Leuven], University of Toronto, University Medical Center [Utrecht], University of California, Children’s Hospital of Philadelphia (CHOP ), Emory University School of Medicine, University Health Network, Centre for Addiction and Mental Health [Toronto] (CAMH), Maastricht University [Maastricht], Universidad de Chile, Clínica Alemana & Universidad del Desarrollo, Royal College of Surgeons in Ireland (RCSI), King‘s College London, Università degli Studi di Roma 'La Sapienza' = Sapienza University [Rome], Children's Hospital Bambino Gesù [Rome, Italie], Tel Aviv University [Tel Aviv], The Edmond and Lily Safra Children's Hospital [Tel-Hahsomer, Israel], University of Pittsburgh School of Medicine, Pennsylvania Commonwealth System of Higher Education (PCSHE), University of Geneva [Switzerland], Geneva University Hospitals and Geneva University, Syracuse University, SUNY Upstate Medical University, State University of New York (SUNY), Hôpital Sainte-Marguerite [CHU - APHM] (Hôpitaux Sud ), Hôpital d'Enfants de la Timone [Marseille], Assistance Publique - Hôpitaux de Marseille (APHM), Marseille medical genetics - Centre de génétique médicale de Marseille (MMG), Aix Marseille Université (AMU)-Institut National de la Santé et de la Recherche Médicale (INSERM), University of Newcastle [Australia] (UoN), University of North Carolina [Chapel Hill] (UNC), University of North Carolina System (UNC), Duke University School of Medicine, University of California [Davis] (UC Davis), Universidad Complutense de Madrid = Complutense University of Madrid [Madrid] (UCM), La Paz University Hospital, Hospital Universitario Son Espases, University of Pennsylvania, University of California (UC), Universidad de Chile = University of Chile [Santiago] (UCHILE), Università degli Studi di Roma 'La Sapienza' = Sapienza University [Rome] (UNIROMA), Tel Aviv University (TAU), Université de Genève = University of Geneva (UNIGE), University of Newcastle [Callaghan, Australia] (UoN), Caugant, Julien, RS: MHeNs - R2 - Mental Health, Psychiatrie & Neuropsychologie, and MUMC+: MA Med Staf Spec Psychiatrie (9)
Subjects: 0301 basic medicine, [SDV]Life Sciences [q-bio], VARIANTS, Cohort Studies, 0302 clinical medicine, Medicine, Copy-number variation, BRAIN, ddc:616, Genetics, education.field_of_study, PSYCHIATRIC-DISORDERS, ASSOCIATION, 3. Good health, [SDV] Life Sciences [q-bio], Psychiatry and Mental health, Schizophrenia, Cohort, BEHAVIOR, Adult, DATABASE, Population, COPY-NUMBER VARIATION, Article, 03 medical and health sciences, Cellular and Molecular Neuroscience, Settore MED/39 - NEUROPSICHIATRIA INFANTILE, mental disorders, DiGeorge Syndrome, Humans, genetics, 22q11deletion syndrome, schizophrenia, education, Molecular Biology, Gene, Microarray analysis techniques, business.industry, MUTATIONS, CONSORTIUM, medicine.disease, Institutional repository, INDIVIDUALS, 030104 developmental biology, Psychotic Disorders, Case-Control Studies, 22q11.2 deletion syndrome, genetic factors, Polygenic risk score, business, 030217 neurology & neurosurgery, International 22q11.2DS Brain and Behavior Consortium
Abstract: Schizophrenia occurs in about one in four individuals with 22q11.2 deletion syndrome (22q11.2DS). The aim of this International Brain and Behavior 22q11.2DS Consortium (IBBC) study was to identify genetic factors that contribute to schizophrenia, in addition to the ~20-fold increased risk conveyed by the 22q11.2 deletion. Using whole-genome sequencing data from 519 unrelated individuals with 22q11.2DS, we conducted genome-wide comparisons of common and rare variants between those with schizophrenia and those with no psychotic disorder at age ≥25 years. Available microarray data enabled direct comparison of polygenic risk for schizophrenia between 22q11.2DS and independent population samples with no 22q11.2 deletion, with and without schizophrenia (total n = 35,182). Polygenic risk for schizophrenia within 22q11.2DS was significantly greater for those with schizophrenia (padj = 6.73 × 10−6). Novel reciprocal case–control comparisons between the 22q11.2DS and population-based cohorts showed that polygenic risk score was significantly greater in individuals with psychotic illness, regardless of the presence of the 22q11.2 deletion. Within the 22q11.2DS cohort, results of gene-set analyses showed some support for rare variants affecting synaptic genes. No common or rare variants within the 22q11.2 deletion region were significantly associated with schizophrenia. These findings suggest that in addition to the deletion conferring a greatly increased risk to schizophrenia, the risk is higher when the 22q11.2 deletion and common polygenic risk factors that contribute to schizophrenia in the general population are both present. ispartof: Molecular Psychiatry vol:26 issue:8 pages:1-15 ispartof: location:England status: published
Published: 2020

31. Identifying schizophrenia patients who carry pathogenic genetic copy number variants using standard clinical assessment: retrospective cohort study

Author: Michael Gill, Elizabeth A. Heron, Eric Kelleher, Michael Conlon O'Donovan, Amy Durand, Denise Harold, Louise Gallagher, Jonathan Sebat, Claire Foley, Gary Donohoe, Derek W. Morris, James T.R. Walters, Christina Mooney, Paul Cormican, Aiden Corvin, Carlos Pinto, and Michael John Owen
Subjects: Oncology, Male, Psychosis, medicine.medical_specialty, DNA Copy Number Variations, 03 medical and health sciences, Young Adult, 0302 clinical medicine, Neurodevelopmental disorder, Internal medicine, Intellectual disability, mental disorders, medicine, Humans, Copy-number variation, Medical History Taking, 030304 developmental biology, Retrospective Studies, 0303 health sciences, Receiver operating characteristic, business.industry, Retrospective cohort study, medicine.disease, Psychiatry and Mental health, Logistic Models, ROC Curve, Schizophrenia, Neurodevelopmental Disorders, Cohort, Female, business, 030217 neurology & neurosurgery
Abstract: BackgroundCopy number variants (CNVs) play a significant role in disease pathogenesis in a small subset of individuals with schizophrenia (~2.5%). Chromosomal microarray testing is a first-tier genetic test for many neurodevelopmental disorders. Similar testing could be useful in schizophrenia.AimsTo determine whether clinically identifiable phenotypic features could be used to successfully model schizophrenia-associated (SCZ-associated) CNV carrier status in a large schizophrenia cohort.MethodLogistic regression and receiver operating characteristic (ROC) curves tested the accuracy of readily identifiable phenotypic features in modelling SCZ-associated CNV status in a discovery data-set of 1215 individuals with psychosis. A replication analysis was undertaken in a second psychosis data-set (n = 479).ResultsIn the discovery cohort, specific learning disorder (OR = 8.12; 95% CI 1.16–34.88, P = 0.012), developmental delay (OR = 5.19; 95% CI 1.58–14.76, P = 0.003) and comorbid neurodevelopmental disorder (OR = 5.87; 95% CI 1.28–19.69, P = 0.009) were significant independent variables in modelling positive carrier status for a SCZ-associated CNV, with an area under the ROC (AUROC) of 74.2% (95% CI 61.9–86.4%). A model constructed from the discovery cohort including developmental delay and comorbid neurodevelopmental disorder variables resulted in an AUROC of 83% (95% CI 52.0–100.0%) for the replication cohort.ConclusionsThese findings suggest that careful clinical history taking to document specific neurodevelopmental features may be informative in screening for individuals with schizophrenia who are at higher risk of carrying known SCZ-associated CNVs. Identification of genomic disorders in these individuals is likely to have clinical benefits similar to those demonstrated for other neurodevelopmental disorders.
Published: 2020

32. Comparison of symptom-based versus self-reported diagnostic measures of anxiety and depression disorders in the GLAD and COPING cohorts

Author: Katherine N. Thompson, Dina Monssen, Susannah C.B. Curzons, Colette R. Hirsch, Katrina A. S. Davis, Daniel J. Smith, Molly R. Davies, Ian Jones, Monika McAtarsney-Kovacs, Alicia J. Peel, James T.R. Walters, John Bradley, Henry C. Rogers, Cherie Armour, Joshua E.J. Buckman, Kimberley Goldsmith, Ian Marsh, Gursharan Kalsi, Helena L. Davies, Andrew M. McIntosh, Gerome Breen, Megan Skelton, Georgina Krebs, Christopher Hübel, David Veale, Matthew Hotopf, Abigail ter Kuile, Jessica Mundy, Brett N. Adey, Yuhao Lin, Roland Zahn, and Thalia C. Eley
Subjects: Anxiety, Specific phobia, Phobic disorder, Adaptation, Psychological, medicine, Humans, Major depression, Depressive Disorder, Major, Measurement, Online surveys, Phobias, Depression, Panic disorder, Social anxiety, medicine.disease, Anxiety Disorders, Psychiatry and Mental health, Clinical Psychology, Major depressive disorder, Self Report, medicine.symptom, Psychology, Self-report, Anxiety disorder, Anxiety disorders, Clinical psychology, Agoraphobia
Abstract: BackgroundUnderstanding and improving outcomes for people with anxiety or depression often requires large sample sizes. To increase participation and reduce costs, such research is typically unable to utilise “gold-standard” methods to ascertain diagnoses, instead relying on remote, self-report measures.AimsAssess the comparability of remote diagnostic methods for anxiety and depression disorders commonly used in research.MethodParticipants from the UK-based GLAD and COPING NBR cohorts (N = 58,400) completed an online questionnaire between 2018 and 2020. Responses to detailed symptom reports were compared to DSM-5 criteria to generate symptom-based diagnoses of major depressive disorder (MDD), generalised anxiety disorder (GAD), specific phobia, social anxiety disorder, panic disorder, and agoraphobia. Participants also self-reported any prior diagnoses from health professionals, termed self-reported diagnoses. “Any anxiety” included participants with at least one anxiety disorder. Agreement was assessed by calculating accuracy, Cohen’s kappa, McNemar’s chi-squared, sensitivity, and specificity.ResultsAgreement between diagnoses was moderate for MDD, any anxiety, and GAD, but varied by cohort. Agreement was slight to fair for the phobic disorders. Many participants with self-reported GAD did not receive a symptom-based diagnosis. In contrast, symptom-based diagnoses of the phobic disorders were more common than self-reported diagnoses.ConclusionsAgreement for MDD, any anxiety, and GAD was higher for cases in the case-enriched GLAD cohort and for controls in the general population COPING NBR cohort. For anxiety disorders, self-reported diagnoses classified most participants as having GAD, whereas symptom-based diagnoses distributed participants more evenly across the anxiety disorders. Further validation against gold standard measures is required.
Published: 2022

33. A Mendelian randomization study of the causal association between anxiety phenotypes and schizophrenia

Author: Michael Conlon O'Donovan, Michael John Owen, Stanley Zammit, James T.R. Walters, Hannah J. Jones, Sarah J Lewis, David Martin, and George Davey Smith
Subjects: 0301 basic medicine, media_common.quotation_subject, Comorbidity, 030105 genetics & heredity, Anxiety, Polymorphism, Single Nucleotide, 03 medical and health sciences, Cellular and Molecular Neuroscience, Random Allocation, Mendelian randomization, mental disorders, Databases, Genetic, medicine, Humans, neuroticism, Genetics (clinical), Genetic Association Studies, media_common, Neuroticism, business.industry, Confounding, Odds ratio, Mendelian Randomization Analysis, medicine.disease, anxiety, Anxiety Disorders, schizophrenia, Psychiatry and Mental health, 030104 developmental biology, Phenotype, Schizophrenia, Worry, medicine.symptom, business, Anxiety disorder, Clinical psychology, Genome-Wide Association Study
Abstract: Schizophrenia shows a genetic correlation with both anxiety disorder and neuroticism, a trait strongly associated with anxiety. However, genetic correlations do not discern causality from genetic confounding. We therefore aimed to investigate whether anxiety-related phenotypes lie on the causal pathway to schizophrenia using Mendelian randomization (MR). Four MR methods, each with different assumptions regarding instrument validity, were used to investigate casual associations of anxiety and neuroticism related phenotypes on schizophrenia, and vice versa: inverse variance weighted (IVW), weighted median, weighted mode, and, when appropriate, MR Egger regression. MR provided evidence of a causal effect of neuroticism on schizophrenia (IVW odds ratio [OR]: 1.33, 95% confidence interval [CI]: 1.12-1.59), but only weak evidence of a causal effect of anxiety on schizophrenia (IVW OR: 1.10, 95% CI: 1.01-1.19). There was also evidence of a causal association from schizophrenia liability to anxiety disorder (IVW OR: 1.28, 95% CI: 1.18-1.39) and worry (IVW beta: 0.05, 95% CI: 0.03-0.07), but effect estimates from schizophrenia to neuroticism were inconsistent in the main analysis. The evidence of neuroticism increasing schizophrenia risk provided by our results supports future efforts to evaluate neuroticism- or anxiety-based therapies to prevent onset of psychotic disorders.
Published: 2019

34. The Genetic Links to anxiety and depression (GLAD) study: online recruitment into the largest recontactable study of depression and anxiety

Author: Nigel R. Ovington, Jennifer Leng, Christopher Hübel, R. K. Price, Sofie Ashford, Megan Hammond Bennett, Le Roy C. Dowey, Henry C. Rogers, Allan H. Young, Anthony J. Cleare, Donald M. Lyall, Eddy L.A. Suarez, Jonathan R. I. Coleman, Charles Curtis, Ian Jones, David Veale, Anna Spaul, Shivani Parikh, Katie M White, Susannah C.B. Curzons, Ioana Beange, Carmine M. Pariante, Nathalie Kingston, Megan Skelton, Jennifer G. Sambrook, Janet Wingrove, Bethany D. Mason, Daniel J. Smith, Gursharan Kalsi, Alexei Moulton, Alicia J. Peel, Yoriko Hirose, James T.R. Walters, Kimberley Goldsmith, Andrew M. McIntosh, Victor A. Gault, Elisavet Palaiologou, Dina Monssen, Katrina A. S. Davis, Carola Kanz, Anamaria Brailean, John Bradley, Monika McAtarsney-Kovacs, Cherie Armour, Bronte L. Sykes, Evangelos Vassos, Molly R. Davies, Gerome Breen, Matthew Hotopf, Keith Thomas, Katharine A. Rimes, and Thalia C. Eley
Subjects: Male, 050103 clinical psychology, Anxiety, GLAD, Genetic Links to Anxiety and Depression, 0302 clinical medicine, MDD, Major depressive disorder, SURE, Service User Research Enterprise, Young adult, SOPs, standard operating procedures, Age of Onset, Program Development, Depression (differential diagnoses), Aged, 80 and over, GAD, Generalised anxiety disorder, Depression, Medical record, SLaM, South London and Maudsley, 05 social sciences, SNP, single nucleotide polymorphism, Middle Aged, 3. Good health, Psychiatry and Mental health, Clinical Psychology, Phenotype, Phobic Disorders, Psychiatric genetics, Female, medicine.symptom, Psychology, Clinical psychology, Adult, IAPT, Improving Access to Psychological Therapies, Adolescent, Genotype, Experimental and Cognitive Psychology, NHS, National Health Service, Article, Life events, 03 medical and health sciences, Young Adult, SDG 3 - Good Health and Well-being, medicine, GP, general practitioner, Humans, 0501 psychology and cognitive sciences, GWAS, genome-wide association study, Behavioural genetics, Aged, FAST-R, Feasibility and Acceptability Support Team for Researchers, PR, public relations, Internet, Patient Selection, Stressor, medicine.disease, Comorbidity, Mental health, NIHR, National Institute for Health Research, CCG, Clinical Commissioning Group, Behavior genetics, Data sharing, 030217 neurology & neurosurgery, CRN, Clinical Research Networks
Abstract: Background Anxiety and depression are common, debilitating and costly. These disorders are influenced by multiple risk factors, from genes to psychological vulnerabilities and environmental stressors, but research is hampered by a lack of sufficiently large comprehensive studies. We are recruiting 40,000 individuals with lifetime depression or anxiety and broad assessment of risks to facilitate future research. Methods The Genetic Links to Anxiety and Depression (GLAD) Study (www.gladstudy.org.uk) recruits individuals with depression or anxiety into the NIHR Mental Health BioResource. Participants invited to join the study (via media campaigns) provide demographic, environmental and genetic data, and consent for medical record linkage and recontact. Results Online recruitment was effective; 42,531 participants consented and 27,776 completed the questionnaire by end of July 2019. Participants’ questionnaire data identified very high rates of recurrent depression, severe anxiety, and comorbidity. Participants reported high rates of treatment receipt. The age profile of the sample is biased toward young adults, with higher recruitment of females and the more educated, especially at younger ages. Discussion This paper describes the study methodology and descriptive data for GLAD, which represents a large, recontactable resource that will enable future research into risks, outcomes, and treatment for anxiety and depression., Highlights • Online recruitment of 40,000 individuals with lifetime depression or anxiety. • Detailed online phenotyping combined with genetic and clinical data. • The study sample is severe, highly comorbid, with chronic psychopathology. • The study protocol enables recall of participants for future research and trials.
Published: 2019

35. Association of Genetic Liability to Psychotic Experiences with Neuropsychotic Disorders and Traits

Author: Georgina E. Menzies, James T.R. Walters, Valentina Escott-Price, Kimberley Kendall, Michael Conlon O'Donovan, Peter Holmans, Danielle Posthuma, Elliott Rees, Michael J. Owen, Hannah J. Jones, Sophie E. Legge, Matthew Bracher-Smith, Stanley Zammit, Matthew Hotopf, Jeanne E. Savage, Katrina A. S. Davis, Antonio F. Pardiñas, George Kirov, Amsterdam Reproduction & Development (AR&D), Complex Trait Genetics, and Amsterdam Neuroscience - Complex Trait Genetics
Subjects: Male, Multifactorial Inheritance, Bipolar Disorder, Genome-wide association study, Cohort Studies, Receptor, Cannabinoid, CB2, 0302 clinical medicine, GWAS, Biological Specimen Banks, education.field_of_study, SDG 10 - Reduced Inequalities, Middle Aged, ALSPAC, Psychiatry and Mental health, Phenotype, Autism spectrum disorder, Major depressive disorder, Female, Adult, Ankyrins, medicine.medical_specialty, Psychosis, UK Biobank, DNA Copy Number Variations, Population, Article, 03 medical and health sciences, medicine, Humans, Psychotic experiences, Genetic Predisposition to Disease, Bipolar disorder, Psychiatry, education, Genetic association, Aged, Depressive Disorder, Major, business.industry, Odds ratio, medicine.disease, United Kingdom, 030227 psychiatry, Psychotic Disorders, Genetic Loci, Neurodevelopmental Disorders, Schizophrenia, business, 030217 neurology & neurosurgery, Genome-Wide Association Study
Abstract: Importance Psychotic experiences, such as hallucinations and delusions, are reported by approximately 5% to 10% of the general population, although only a small proportion develop psychotic disorders such as schizophrenia. Studying the genetic causes of psychotic experiences in the general population, and its association with the genetic causes of other disorders, may increase the understanding of their pathologic significance.Objectives To determine whether genetic liability to psychotic experiences is shared with schizophrenia and/or other neuropsychiatric disorders and traits and to identify genetic loci associated with psychotic experiences.Design, Setting and Participants Analyses of genetic correlation, polygenic risk scores, and copy number variation were performed using data from participants in the UK Biobank from April 1, 2018, to March 20, 2019, to assess whether genetic liability to psychotic experiences is shared with schizophrenia and/or other neuropsychiatric disorders and traits. Genome-wide association studies of psychotic experience phenotypes were conducted to identify novel genetic loci. Participants in the final analyses after exclusions included 6123 individuals reporting any psychotic experience, 2143 individuals reporting distressing psychotic experiences, and 3337 individuals reporting multiple occurrences of psychotic experiences. A total of 121 843 individuals who did not report a psychotic experience formed the comparator group. Individuals with a psychotic disorder were excluded from all analyses.Main Outcomes and Measures Genetic associations with psychotic experience phenotypes.Results The study included a total of 127 966 participants (56.0% women and 44.0% men; mean [SD] age, 64.0 [7.6] years). Psychotic experiences were genetically correlated with major depressive disorder, schizophrenia, autism spectrum disorder, and attention-deficit/hyperactivity disorder. Analyses of polygenic risk scores identified associations between psychotic experiences and genetic liability for major depressive disorder, schizophrenia, bipolar disorder, autism spectrum disorder, and attention-deficit/hyperactivity disorder. Individuals reporting psychotic experiences had an increased burden of copy number variations previously associated with schizophrenia (odds ratio [OR], 2.04; 95% CI, 1.39-2.98; P = 2.49 × 10−4) and neurodevelopmental disorders more widely (OR, 1.75; 95% CI, 1.24-2.48; P = 1.41 × 10−3). Genome-wide association studies identified 4 significantly associated loci, including a locus in Ankyrin-3 (ANK3 [GenBank NM_020987]) (OR, 1.16; 95% CI, 1.10-1.23; P = 3.06 × 10−8) with any psychotic experience, and a locus in cannabinoid receptor 2 gene (CNR2 [GenBank NM_001841]) (OR, 0.66; 95% CI, 0.56-0.78; P = 3.78 × 10−8) with distressing psychotic experiences. The genome-wide association study of any psychotic experience had a low single-nucleotide polymorphism–based heritability estimate (h2 = 1.71%; 95% CI, 1.02%-2.40%).Conclusions and Relevance A large genetic association study of psychotic experiences from the population-based UK Biobank sample found support for a shared genetic liability between psychotic experiences and schizophrenia, major depressive disorder, bipolar disorder, and neurodevelopmental disorders.
Published: 2019

36. Association of copy number variation across the genome with neuropsychiatric traits in the general population

Author: Anita Thapar, Michael Conlon O'Donovan, Stan Zammit, Santiago Rodriguez, James T.R. Walters, Joanna Martin, Michael John Owen, Tom R. Gaunt, Anna L. Guyatt, Evie Stergiakouli, Dheeraj Rai, and George Kirov
Subjects: Male, 0301 basic medicine, Longitudinal study, Autism Spectrum Disorder, Intelligence, Anxiety, 0302 clinical medicine, Longitudinal Studies, Copy-number variation, Child, Research Articles, Genetics (clinical), Genetics, education.field_of_study, Depression, Mental Disorders, ALSPAC, Psychiatry and Mental health, Phenotype, Autism spectrum disorder, Schizophrenia, Female, medicine.symptom, Research Article, Adult, genetic epidemiology, Adolescent, DNA Copy Number Variations, Population, Polymorphism, Single Nucleotide, Structural variation, 03 medical and health sciences, Cellular and Molecular Neuroscience, mental disorders, medicine, Humans, Genetic Predisposition to Disease, education, childhood, business.industry, structural variation, medicine.disease, 030104 developmental biology, Genetic epidemiology, Attention Deficit Disorder with Hyperactivity, business, 030217 neurology & neurosurgery, Genome-Wide Association Study
Abstract: Copy number variants (CNVs) are associated with psychiatric conditions in clinical populations. The relationship between rare CNV burden and neuropsychiatric traits in young, general populations is underexplored. A total of 6,807 children from the Avon Longitudinal Study of Parents and Children (ALSPAC) were studied. CNVs were inferred from single nucleotide polymorphism-array data using PennCNV. After excluding children with known candidate CNVs for schizophrenia (SCZ), rare (
Published: 2018

37. Associations Between Schizophrenia Polygenic Liability, Symptom Dimensions, and Cognitive Ability in Schizophrenia

Author: James T.R. Walters, Michael Conlon O'Donovan, Leon Hubbard, Elliott Rees, Antonio F. Pardiñas, Judith Allardyce, Peter Holmans, Arianna Di Florio, Charlotte Dennison, Sophie E. Legge, Alastair G. Cardno, Valentina Escott-Price, Stanley Zammit, Alexander Richards, and Michael John Owen
Subjects: Adult, Male, Multifactorial Inheritance, Intelligence, behavioral disciplines and activities, mental disorders, medicine, Humans, Online First, Cognitive Dysfunction, Genetic Predisposition to Disease, Effects of sleep deprivation on cognitive performance, Bipolar disorder, Scale for the Assessment of Negative Symptoms, Genetic Association Studies, Original Investigation, business.industry, Research, Cognition, Middle Aged, medicine.disease, Confirmatory factor analysis, Psychiatry and Mental health, Cross-Sectional Studies, Schizophrenia, Autism spectrum disorder, Female, business, Comments, Clinical psychology, Diagnosis of schizophrenia
Abstract: Key Points Question Are phenotypic dimensions in schizophrenia associated with genetic liability to schizophrenia, other neuropsychiatric disorders, and intelligence? Findings In this cross-sectional genetic association study of 1220 individuals with schizophrenia, analyses indicated that higher levels of disorganized symptoms, but not other symptom dimensions, and lower levels of current cognitive ability were significantly associated with schizophrenia polygenic risk scores. Current cognitive ability was also associated with intelligence polygenic risk scores. Meaning The findings of this study suggest that variation in disorganized symptoms and cognitive ability in schizophrenia are markers of schizophrenia common genetic liability; cognitive performance in schizophrenia may reflect distinct contributions from genetic liabilities to both intelligence and schizophrenia., Importance Schizophrenia is a clinically heterogeneous disorder. It is currently unclear how variability in symptom dimensions and cognitive ability is associated with genetic liability for schizophrenia. Objective To determine whether phenotypic dimensions within schizophrenia are associated with genetic liability to schizophrenia, other neuropsychiatric disorders, and intelligence. Design, Setting, and Participants In a genetic association study, 3 cross-sectional samples of 1220 individuals with a diagnosis of schizophrenia were recruited from community, inpatient, and voluntary sector mental health services across the UK. Confirmatory factor analysis was used to create phenotypic dimensions from lifetime ratings of the Scale for the Assessment of Positive Symptoms, Scale for the Assessment of Negative Symptoms, and the MATRICS Consensus Cognitive Battery. Analyses of polygenic risk scores (PRSs) were used to assess whether genetic liability to schizophrenia, other neuropsychiatric disorders, and intelligence were associated with these phenotypic dimensions. Data collection for the cross-sectional studies occurred between 1993 and 2016. Data analysis for this study occurred between January 2019 and March 2021. Main Outcomes and Measures Outcome measures included phenotypic dimensions defined from confirmatory factor analysis relating to positive symptoms, negative symptoms of diminished expressivity, negative symptoms of motivation and pleasure, disorganized symptoms, and current cognitive ability. Exposure measures included PRSs for schizophrenia, bipolar disorder, major depression, attention-deficit/hyperactivity disorder, autism spectrum disorder, and intelligence. Results Of the 1220 study participants, 817 were men (67.0%). Participants’ mean (SD) age at interview was 43.10 (12.74) years. Schizophrenia PRS was associated with increased disorganized symptom dimension scores in both a 5-factor model (β = 0.14; 95% CI, 0.07-0.22; P = 2.80 × 10−4) and a 3-factor model across all samples (β = 0.10; 95% CI, 0.05-0.15; P = 2.80 × 10−4). Current cognitive ability was associated with genetic liability to schizophrenia (β = −0.11; 95% CI, −0.19 to −0.04; P = 1.63 × 10−3) and intelligence (β = 0.23; 95% CI, 0.16-0.30; P = 1.52 × 10−10). After controlling for estimated premorbid IQ, current cognitive performance was associated with schizophrenia PRS (β = −0.08; 95% CI, −0.14 to −0.02; P = 8.50 × 10−3) but not intelligence PRS. Conclusions and Relevance The findings of this study suggest that genetic liability for schizophrenia is associated with higher disorganized dimension scores but not other symptom dimensions. Cognitive performance in schizophrenia appears to reflect distinct contributions from genetic liabilities to both intelligence and schizophrenia., This genetic association study examines the associations between phenotypic dimensions in schizophrenia and genetic liability to schizophrenia, other neuropsychiatric disorders, and intelligence in patients with schizophrenia.
Published: 2021

38. Cognitive Characterization of Schizophrenia Risk Variants Involved in Synaptic Transmission: Evidence of CACNA1C's Role in Working Memory

Author: Michael Conlon O'Donovan, Bettina Konte, Michael Gill, Alexander Richards, Annette M. Hartmann, Aiden Corvin, Gary Donohoe, Kimberley Kendall, Donna Cosgrove, Omar Mothersill, Denise Harold, Michael John Owen, Kiran Kumar Mantripragada, Dan Rujescu, Ina Giegling, James T.R. Walters, and Derek W. Morris
Subjects: Male, 0301 basic medicine, genotype, Genome-wide association study, Neuropsychological Tests, Audiology, Synaptic Transmission, Cuneus, healthy-individuals, Cognition, 0302 clinical medicine, Neural Pathways, bipolar disorder, Brain Mapping, Brain, Magnetic Resonance Imaging, Psychiatry and Mental health, Memory, Short-Term, medicine.anatomical_structure, Schizophrenia, connectivity, loci, Female, Original Article, gated calcium-channels, Psychology, performance, Adult, medicine.medical_specialty, Psychosis, Calcium Channels, L-Type, Schizoaffective disorder, Polymorphism, Single Nucleotide, 03 medical and health sciences, medicine, Humans, Genetic Predisposition to Disease, Bipolar disorder, Psychiatry, human brain, Pharmacology, Working memory, medicine.disease, 030104 developmental biology, Psychotic Disorders, Genetic Loci, networks, genome-wide association, Neurocognitive, 030217 neurology & neurosurgery, Genome-Wide Association Study
Abstract: With 4100 common variants associated with schizophrenia risk, establishing their biological significance is a priority. We sought to establish cognitive effects of risk variants at loci implicated in synaptic transmission by (1) identifying GWAS schizophrenia variants whose associated gene function is related to synaptic transmission, and (2) testing for association between these and measures of neurocognitive function. We selected variants, reported in the largest GWAS to date, associated with genes involved in synaptic transmission. Associations between genotype and cognitive test score were analyzed in a discovery sample (988 Irish participants, including 798 with psychosis), and replication samples (528 UK patients with schizophrenia/schizoaffective disorder; 921 German participants including 362 patients with schizophrenia). Three loci showed significant associations with neuropsychological performance in the discovery samples. This included an association between the rs2007044 (risk allele G) within CACNA1C and poorer working memory performance (increased errors B (95% CI) = 0.635-4.535, p = 0.012), an effect driven mainly by the psychosis groups. In an fMRI analysis of working memory performance (n = 84 healthy participants, a subset of the discovery sample), we further found evidence that the same CACNA1C allele was associated with decreased functional connectivity between the right dorsolateral prefrontal cortex and right superior occipital gyrus/cuneus and anterior cingulate cortex. In conclusion, these data provide evidence to suggest that the CACNA1C risk variant rs2007044 is associated with poorer memory function that may result from risk carriers' difficulty with top-down initiated responses caused by dysconnectivity between the right DLPFC and several cortical regions.
Published: 2017

39. Contribution of copy number variants to schizophrenia from a genome-wide study of 41,321 subjects

Author: Patricia T. Michie, Franziska Degenhardt, Brandon Wormley, Paola Giusti-Rodríguez, Mark J. Daly, Raquelle I. Mesholam-Gately, Ingrid Melle, Sibylle G. Schwab, Andrew McQuillin, Benjamin M. Neale, Joshua L. Roffman, Abraham Reichenberg, Pamela Sklar, Diana O. Perkins, Jennifer L. Moran, Donald W. Black, Per Hoffmann, A. Hofman, Hailiang Huang, John L. Waddington, Giulio Genovese, Aaron R. Wolen, Deborah L. Levy, David Curtis, Digby Quested, Carlos N. Pato, Nicholas John Craddock, Stephanie Williams, Kung Yee Liang, Zhouzhi Wang, Tracey L. Petryshen, Ann E. Pulver, Randy L. Buckner, Stephan Ripke, Roel A. Ophoff, Danielle Posthuma, Lili Milani, Jacques Mallet, Menachem Fromer, Christian R. Marshall, Jaana Suvisaari, Jana Strohmaier, Richard Bruggeman, Marcella Rietschel, Ayman H. Fanous, Andrew M. McIntosh, James T.R. Walters, Dimitris Dikeos, Panos Roussos, Veikko Salomaa, Aiden Corvin, Carin J. Meijer, Tiina Paunio, Assen Jablensky, Sarah E. Bergen, Nancy G. Buccola, Annelie Nordin, Wolfgang Maier, Srdjan Djurovic, Naomi R. Wray, Aniket Shetty, Joel Eriksson, Dan Rujescu, Jouko Lönnqvist, Brian Kelly, Wenting Wu, Alexander Richards, Frans Henskens, Rich Belliveau, Bryan J. Mowry, Elodie Drapeau, Andreas J. Forstner, Silviu Alin Bacanu, Jubao Duan, Tõnu Esko, Bernard Lerer, Carmel M. Loughland, Olli Pietiläinen, Michael Conlon O'Donovan, Shaun M. Purcell, Michael Gill, Thomas G. Schulze, Douglas S. Greer, Stephen W. Scherer, Eli A. Stahl, Markus M. Nöthen, Guiqing Cai, William M. Brandler, Kristin K. Nicodemus, Dominique Campion, David A. Collier, Farooq Amin, Joel N. Hirschhorn, Robin M. Murray, Timothy G. Dinan, Mark Reimers, Murray J. Cairns, Rodney J. Scott, Aarno Palotie, Robert Freedman, Nelson B. Freimer, Joshua R. Atkins, Gary Donohoe, Ann Olincy, Jonathan Sebat, Colm McDonald, Srinivas Thirumalai, John Powell, Jo Knight, Vahram Haroutunian, Dieter B. Wildenauer, Tim B. Bigdeli, Lieuwe de Haan, Peter Eichhammer, James J. Crowley, Lynn E. DeLisi, Ulrich Schall, Rolf Adolfsson, Marcelo Bertalan, Thomas Hansen, Eric Strengman, Michael Davidson, Dheeraj Malhotra, Manuel Mattheisen, Jeffrey A. Lieberman, Benedicto Crespo-Facorro, Stephanie Godard, Edward M. Scolnick, Jonathan Pimm, Bertram Müller-Myhsok, Qingqin Li, Michele T. Pato, Wiepke Cahn, Christos Pantelis, Ingrid Agartz, Brendan Bulik-Sullivan, Madhusudan Gujral, Martilias S. Farrell, Brady J. Maher, Laurent Essioux, Karin V Fuentes Fajarado, Andres Metspalu, Stephanie H. Witt, Patrick F. Sullivan, Mark Weiser, Younes Mokrab, Kai How Farh, Line Olsen, Dermot Walsh, Peter Holmans, Hugh Gurling, Joseph I. Friedman, Andrew Pocklington, Daniel P. Howrigan, Lude Franke, Tune H. Pers, Larry J. Seidman, Pablo V. Gejman, Dalila Pinto, Michael John Owen, Inez Myin-Germeys, Steven A. McCarroll, Wei Cheng, Jackie Goldstein, C. Robert Cloninger, Elliot S. Gershon, Deborah A. Nertney, Thomas Werge, Noa Carrera, Kieran C. Murphy, Rita M. Cantor, Ariel Darvasi, Mark Hansen, Annette M. Hartmann, Ole A. Andreassen, Bradley T. Webb, Henrik B. Rasmussen, David Cohen, Elvira Bramon, Erik G. Jönsson, Vaughan J. Carr, Pui Y. Lee, Masashi Ikeda, Daniele Merico, Danny Antaki, Brien P. Riley, Stefan Herms, Igor Nenadic, Bettina Konte, Kimberley D. Chambert, Jurgen Del Favero, George Kirov, Matthew C. Keller, Jacob Gratten, Douglas F. Levinson, Luba Kalaydjieva, Bhooma Thiruvahindrapuram, Alan R. Sanders, Sang-Yun Oh, Alkes L. Price, Vihra Milanova, Juha Veijola, Erik Söderman, Dragan M. Svrakic, David H. Kavanagh, Patrik K. E. Magnusson, Douglas Blackwood, Nakao Iwata, Jim van Os, Jeremy M. Silverman, Elena Parkhomenko, Kenneth L. Davis, Jing Qin Wu, Eadbhard O'Callaghan, Chris C. A. Spencer, Juha Karjalainen, Anna K. Kähler, Clement C. Zai, Nigel Williams, Joseph D. Buxbaum, Jin P. Szatkiewicz, Laura Nisenbaum, Sang Hong Lee, Yunjung Kim, Colm O'Dushlaine, René S. Kahn, Morten Mattingsdal, Inge Joa, Marian L. Hamshere, Frank Dudbridge, Ina Giegling, Sandra Meier, Derek W. Morris, Robert W. McCarley, Douglas M. Ruderfer, Paul Cormican, Lyudmila Georgieva, Sven Cichon, Josef Frank, Jianxin Shi, George N. Papadimitriou, Kenneth S. Kendler, Margot Albus, Enrico Domenici, Claudine Laurent, Francis A. O'Neill, Adam Savitz, Jordan W. Smoller, James L. Kennedy, Peter M. Visscher, Valentina Escott-Price, Christina M. Hultman, T. Scott Stroup, Elizabeth Bevilacqua, James A. Knowles, William Byerley, Paul A. Tooney, Madeline Alexander, Stanley V. Catts, David St Clair, Sophie E. Legge, Gerald Nestadt, Michelle S. Maile, Perceptual and Cognitive Neuroscience (PCN), Groningen Institute for Gastro Intestinal Genetics and Immunology (3GI), Clinical Cognitive Neuropsychiatry Research Program (CCNP), Stem Cell Aging Leukemia and Lymphoma (SALL), Psychiatrie & Neuropsychologie, RS: MHeNs - R2 - Mental Health, MUMC+: Hersen en Zenuw Centrum (3), MUMC+: MA Psychiatrie (3), Complex Trait Genetics, Amsterdam Neuroscience - Complex Trait Genetics, APH - Mental Health, ANS - Complex Trait Genetics, Adult Psychiatry, Other departments, Marshall, Christian R, Howrigan, Daniel P, Merico, Daniele, Thiruvahindrapuram, Bhooma, Lee, S Hong, Sebat, Jonathan, Psychosis Endophenotypes International Consortium, CNV and Schizophrenia Working Groups of the Psychiatric Genomics Consortium, CNV, Schizophrenia Working Grp, Psychosis Endophenotypes, Rehabilitation Medicine, and Child and Adolescent Psychiatry / Psychology
Subjects: 0301 basic medicine, Male, 16P11.2, Duplication, Autism, Rearrangement, Genome-wide association study, Copy number variant, Gene, Medical and Health Sciences, 0302 clinical medicine, DUPLICATIONS, Risk Factors, Gene duplication, Genotype, Disorder, Copy-number variation, Genetics, Genetics & Heredity, RISK, copy number variation, REARRANGEMENTS, Biological Sciences, 16p11.2, 3. Good health, Phenotype, Female, Risk, CNVS, Genetic Markers, genetic etiology, CNV and Schizophrenia Working Groups of the Psychiatric Genomics Consortium, DNA Copy Number Variations, DISORDERS, CNV, Non-allelic homologous recombination, PHENOTYPES, Biology, 03 medical and health sciences, SDG 3 - Good Health and Well-being, genomics, Journal Article, Humans, Comparative Study, Genetic Predisposition to Disease, AUTISM, Psychosis Endophenotypes International Consortium, MUTATIONS, Case-control study, Odds ratio, R1, GENE, 030104 developmental biology, genetics research, Genetic marker, Genetic Loci, Case-Control Studies, Mutation, Schizophrenia, Human medicine, 030217 neurology & neurosurgery, Developmental Biology, Genome-Wide Association Study
Abstract: Copy number variants (CNVs) have been strongly implicated in the genetic etiology of schizophrenia (SCZ). However, genome-wide investigation of the contribution of CNV to risk has been hampered by limited sample sizes. We sought to address this obstacle by applying a centralized analysis pipeline to a SCZ cohort of 21,094 cases and 20,227 controls. A global enrichment of CNV burden was observed in cases (odds ratio (OR) = 1.11, P = 5.7 x 10(-15)), which persisted after excluding loci implicated in previous studies (OR = 1.07, P = 1.7 x 10(-6)). CNV burden was enriched for genes associated with synaptic function (OR = 1.68, P = 2.8 x 10(-11)) and neurobehavioral phenotypes in mouse (OR = 1.18, P = 7.3 x 10(-5)). Genome-wide significant evidence was obtained for eight loci, including 1q21.1, 2p16.3 (NRXN1), 3q29, 7q11.2, 15q13.3, distal 16p11.2, proximal 16p11.2 and 22q11.2. Suggestive support was found for eight additional candidate susceptibility and protective loci, which consisted predominantly of CNVs mediated by nonallelic homologous recombination. Refereed/Peer-reviewed
Published: 2017

40. The Relationship Between Common Variant Schizophrenia Liability and Number of Offspring in the UK Biobank: Response to Lawn et al

Author: Valentina Escott-Price, George Kirov, Antonio F. Pardiñas, James T.R. Walters, Michael John Owen, Michael Conlon O'Donovan, and Enrique Santiago
Subjects: medicine.medical_specialty, Offspring, Schizophrenia (object-oriented programming), Liability, Lawn, Biology, Fecundity, Biobank, United Kingdom, Psychiatry and Mental health, Risk Factors, Epidemiology, medicine, Schizophrenia, Humans, Psychiatry, Biological Specimen Banks
Published: 2019

41. Oscillatory, computational and behavioural evidence for impaired GABAergic inhibition in schizophrenia

Author: James T.R. Walters, Rosalyn J. Moran, Laura Knight, Gemma M. Williams, Karl J. Friston, Tom C. Freeman, Krish D. Singh, and Alexander D Shaw
Subjects: Adult, Male, Psychosis, Inhibitory postsynaptic potential, GABA, 03 medical and health sciences, Discrimination, Psychological, 0302 clinical medicine, Interneurons, Orientation (mental), dysconnection, medicine, Psychophysics, Gamma Rhythm, Humans, oscillatory, gamma-Aminobutyric Acid, Balance (ability), Cerebral Cortex, behavioral, medicine.diagnostic_test, Pyramidal Cells, Magnetoencephalography, Neural Inhibition, Middle Aged, medicine.disease, inhibition, 030227 psychiatry, schizophrenia, Psychiatry and Mental health, Schizophrenia, Space Perception, Visual Perception, GABAergic, Female, Psychology, Neuroscience, 030217 neurology & neurosurgery, Regular Articles
Abstract: The dysconnection hypothesis of schizophrenia (SZ) proposes that psychosis is best understood in terms of aberrant connectivity. Specifically, it suggests that dysconnectivity arises through aberrant synaptic modulation associated with deficits in GABAergic inhibition, excitation–inhibition balance and disturbances of high-frequency oscillations. Using a computational model combined with a graded-difficulty visual orientation discrimination paradigm, we demonstrate that, in SZ, perceptual performance is determined by the balance of excitation–inhibition in superficial cortical layers. Twenty-eight individuals with a DSM-IV diagnosis of SZ, and 30 age- and gender-matched healthy controls participated in a psychophysics orientation discrimination task, a visual grating magnetoencephalography (MEG) recording, and a magnetic resonance spectroscopy (MRS) scan for GABA. Using a neurophysiologically informed model, we quantified group differences in GABA, gamma measures, and the predictive validity of model parameters for orientation discrimination in the SZ group. MEG visual gamma frequency was reduced in SZ, with lower peak frequency associated with more severe negative symptoms. Orientation discrimination performance was impaired in SZ. Dynamic causal modeling of the MEG data showed that local synaptic connections were reduced in SZ and local inhibition correlated negatively with the severity of negative symptoms. The effective connectivity between inhibitory interneurons and superficial pyramidal cells predicted orientation discrimination performance within the SZ group; consistent with graded, behaviorally relevant, disease-related changes in local GABAergic connections. Occipital GABA levels were significantly reduced in SZ but did not predict behavioral performance or oscillatory measures. These findings endorse the importance, and behavioral relevance, of GABAergic synaptic disconnection in schizophrenia that underwrites excitation–inhibition balance.
Published: 2019

42. Clinical indicators of treatment-resistant psychosis

Author: Antonio F. Pardiñas, Amy Lynham, Elliott Rees, Michael John Owen, Lucinda Hopkins, Lesley Bates, Charlotte Dennison, James T.R. Walters, Sophie E. Legge, George Kirov, and Michael Conlon O'Donovan
Subjects: Adult, Male, medicine.medical_specialty, Multivariate statistics, Psychosis, Aging, Multifactorial Inheritance, Social adjustment, DNA Copy Number Variations, Drug Resistance, Marijuana Smoking, Paternal Age, 03 medical and health sciences, Young Adult, 0302 clinical medicine, Internal medicine, mental disorders, medicine, Odds Ratio, Humans, Genetic Predisposition to Disease, Family history, Age of Onset, Treatment resistant, Intelligence Tests, business.industry, Odds ratio, medicine.disease, Genetic architecture, 030227 psychiatry, Psychiatry and Mental health, Treatment Outcome, Psychotic Disorders, Schizophrenia, Female, business, Social Adjustment, 030217 neurology & neurosurgery, Antipsychotic Agents, Maternal Age
Abstract: BackgroundAround 30% of individuals with schizophrenia remain symptomatic and significantly impaired despite antipsychotic treatment and are considered to be treatment resistant. Clinicians are currently unable to predict which patients are at higher risk of treatment resistance.AimsTo determine whether genetic liability for schizophrenia and/or clinical characteristics measurable at illness onset can prospectively indicate a higher risk of treatment-resistant psychosis (TRP).MethodIn 1070 individuals with schizophrenia or related psychotic disorders, schizophrenia polygenic risk scores (PRS) and large copy number variations (CNVs) were assessed for enrichment in TRP. Regression and machine-learning approaches were used to investigate the association of phenotypes related to demographics, family history, premorbid factors and illness onset with TRP.ResultsYounger age at onset (odds ratio 0.94,P= 7.79 × 10−13) and poor premorbid social adjustment (odds ratio 1.64,P= 2.41 × 10−4) increased risk of TRP in univariate regression analyses. These factors remained associated in multivariate regression analyses, which also found lower premorbid IQ (odds ratio 0.98,P= 7.76 × 10−3), younger father's age at birth (odds ratio 0.97,P= 0.015) and cannabis use (odds ratio 1.60,P= 0.025) increased the risk of TRP. Machine-learning approaches found age at onset to be the most important predictor and also identified premorbid IQ and poor social adjustment as predictors of TRP, mirroring findings from regression analyses. Genetic liability for schizophrenia was not associated with TRP.ConclusionsPeople with an earlier age at onset of psychosis and poor premorbid functioning are more likely to be treatment resistant. The genetic architecture of susceptibility to schizophrenia may be distinct from that of treatment outcomes.
Published: 2019

43. Area deprivation, urbanicity, severe mental illness and social drift - A population-based linkage study using routinely collected primary and secondary care data

Author: Marcos DelPozo-Banos, Michael Conlon O'Donovan, Michael John Owen, Ann John, Ian Jones, James T.R. Walters, Sze Chim Lee, and Keith Lloyd
Subjects: Rural Population, Bipolar Disorder, Population, Logistic regression, Secondary Care, 03 medical and health sciences, symbols.namesake, 0302 clinical medicine, Medicine, Humans, Poisson regression, education, Poverty, Biological Psychiatry, education.field_of_study, business.industry, Incidence (epidemiology), Odds ratio, Mental illness, medicine.disease, 030227 psychiatry, Psychiatry and Mental health, symbols, Schizophrenia, Residence, business, 030217 neurology & neurosurgery, Demography
Abstract: We investigated whether associations between area deprivation, urbanicity and elevated risk of severe mental illnesses (SMIs, including schizophrenia and bipolar disorder) is accounted for by social drift or social causation.\ud \ud We extracted primary and secondary care electronic health records from 2004 to 2015 from a population of 3.9 million. We identified prevalent and incident individuals with SMIs and their level of deprivation and urbanicity using the Welsh Index of Multiple Deprivation (WIMD) and urban/rural indicator. The presence of social drift was determined by whether odds ratios (ORs) from logistic regression is greater than the incidence rate ratios (IRRs) from Poisson regression. Additionally, we performed longitudinal analysis to measure the proportion of change in deprivation level and rural/urban residence 10 years after an incident diagnosis of SMI and compared it to the general population using standardised rate ratios (SRRs).\ud \ud Prevalence and incidence of SMIs were significantly associated with deprivation and urbanicity (all ORs and IRRs significantly >1). ORs and IRRs were similar across all conditions and cohorts (ranging from 1.1 to 1.4). Results from the longitudinal analysis showed individuals with SMIs are more likely to move compared to the general population. However, they did not preferentially move to more deprived or urban areas.\ud \ud There was little evidence of downward social drift over a 10-year period. These findings have implications for the allocation of resources, service configuration and access to services in deprived communities, as well as, for broader public health interventions addressing poverty, and social and environmental contexts.
Published: 2019

44. Genomic Relationships, Novel Loci, and Pleiotropic Mechanisms across Eight Psychiatric Disorders

Author: Laura M. Thornton, Paul Lichtenstein, Verneri Anttila, Diego Albani, Josep Antoni Ramos-Quiroga, Roger A.H. Adan, Monika Schlögelhofer, Stephen Sanders, Enrique Castelao, Klaus Berger, Nina Dalkner, Urs Heilbronner, Engilbert Sigurdsson, Pablo Mir, Fuquan Zhang, James T.R. Walters, Patrick F. Sullivan, Fragiskos Gonidakis, F. Kyle Satterstrom, Sara Marsal, Per Hoffmann, Amy Perry, Valentina Ciullo, Beate Herpertz-Dahlmann, Catharina Lavebratt, Kieran C. Murphy, Tammy Hedderly, Hyun Ju Hong, Evald Saemundsen, Sascha B. Fischer, Hailiang Huang, Andrew D. Grotzinger, Nienke Vulink, Murray B. Stein, Mark A. Frye, Laura J. Scott, David Curtis, Todd Lencz, Janiece E. DeSocio, Richard A. Belliveau, Eduard Vieta, Andrea Dietrich, Wade H. Berrettini, Kenneth S. Kendler, Marquis P. Vawter, Paul S. Nestadt, Michael E. Talkowski, Manuel Mattheisen, Ingrid Agartz, Elisa Docampo, Bernhard T. Baune, Stefan Ehrlich, Jolanta Lissowska, Felecia Cerrato, Terje Nærland, Robin M. Murray, Jennifer Reichert, Annette M. Hartmann, Hannelore Ehrenreich, Howard J. Edenberg, Katherine A. Halmi, Qingqin S. Li, Peristera Paschou, Marie Bækvad-Hansen, Esther Walton, Alessio Maria Monteleone, Ted Reichborn-Kjennerud, Frank Bellivier, Jungeun Song, D. Blake Woodside, Young Shin Kim, Jochen Seitz, Jacques Pantel, Palmiero Monteleone, Erika L. Nurmi, Rodney J. Scott, Kang Sim, Ekaterina A. Khramtsova, Udo Dannlowski, Rolf Adolfsson, Danielle Posthuma, Melissa J. Green, Laura Ibanez-Gomez, Jakob Grove, Elvira Bramon, Gregory L. Hanna, Cynthia M. Bulik, Yiran Guo, Stephan Ripke, Mary M. Robertson, Harald N. Aschauer, Adebayo Anjorin, Joanna Martin, Bertram Müller-Myhsok, Deborah Kaminská, Jose Guzman-Parra, Benedetta Nacmias, Erik G. Jönsson, Jonathan R. I. Coleman, Douglas F. Levinson, Hamdi Mbarek, Gun Peggy Knudsen, Karin Egberts, Mette Nyegaard, Patrik K. E. Magnusson, Mark Adams, Douglas Blackwood, Elisabeth B. Binder, Marcus Ising, Anna R. Docherty, Jim van Os, Nese Direk, Lina Martinsson, Maria Arranz, Christel M. Middeldorp, Stefan Kloiber, Sintia Iole Belangero, Eske M. Derks, Ingrid Melle, Erlend Bøen, Jan Haavik, Federica Piras, Unna N. Danner, Anil K. Malhotra, Gerome Breen, Stephen V. Faraone, Amanda B Zheutlin, Timothy Poterba, Stephan Ruhrmann, Inge Joa, Ulrik Fredrik Malt, Sarah E. Bergen, Federica Tozzi, Lauren A. Weiss, Hana Papezova, Dominic Holland, Elliot S. Gershon, Jaakko Kaprio, Merete Nordentoft, Scott D. Gordon, Christopher Pittenger, Keun-Ah Cheon, Jennifer Jordan, Philip Gorwood, Myrna M. Weissman, Preben Bo Mortensen, Melissa A. Munn-Chernoff, Isobel Heyman, Eun-Young Shin, Christie L. Burton, Katherine Gordon-Smith, Sietske G. Helder, Peter Nagy, Till F. M. Andlauer, Yunpeng Wang, Young Key Kim, Kate Langley, Søren Dalsgaard, Richard Delorme, Torbjørn Elvsåshagen, Bennett L. Leventhal, Giovanni Gambaro, Christos Androutsos, Jennifer Tübing, Marion Roberts, Annelie Nordin Adolfsson, Hakon Hakonarson, Dorothy E. Grice, Vaughan J. Carr, Konstantinos Tziouvas, Stephanie Zerwas, Cathy L. Barr, Michael Conlon O'Donovan, Per Qvist, Beate St Pourcain, Samuel Kuperman, Leila Karhunen, Jack Samuels, Markus M. Nöthen, Martien J H Kas, Alfonso Tortorella, Mikael Landén, Jennifer Crosbie, Marco A. Grados, Joanna M. Biernacka, Paul D. Arnold, Irene A. Malaty, Jurjen J. Luykx, Nicholas Bass, Naomi R. Wray, Catharina A. Hartman, Christina M. Hultman, Michael S. Okun, Brandon Wormley, Michael Bauer, Daniel J. Smith, Ian Jones, Kathryn Roeder, Brien P. Riley, Caroline M. Nievergelt, Katrin Gade, Sarah Kittel-Schneider, Roy H. Perlis, James R. Mitchell, Ziarih Hawi, James Lee, Liz Forty, William E. Bunney, Thomas Damm Als, Catherine Schaefer, Digby Quested, Matteo Cassina, Anna C. Koller, Patrick Turley, Agnes A. Steixner, Anu Raevuori, Assen Jablensky, Peter Holmans, Dong-Ho Song, S. Evelyn Stewart, Jan K. Buitelaar, Fernando S. Goes, Alexander Münchau, Ayman H. Fanous, Nicolas Ramoz, James B. Potash, Monica Gratacos Mayora, Tobias Banaschewski, Céline S. Reinbold, Renata Rizzo, Arianna Di Florio, Lenka Foretova, Gianfranco Spalletta, Aarno Palotie, Eleftheria Zeggini, Lawrence W. Brown, Julie K. O'Toole, Lynn E. DeLisi, Ulrich Schall, Mary Roberson, Barbara J. Coffey, Bryan J. Mowry, Murray J. Cairns, Dan J. Stein, Glyn Lewis, Marta Ribasés, C. Robert Cloninger, Bettina Konte, John B. Vincent, Duncan S. Palmer, Radhika Kandaswamy, Christine Ladd-Acosta, Lars Alfredsson, Frank Visscher, Ulrike Schmidt, Aiden Corvin, Susan L. Santangelo, Brenda W.J.H. Penninx, David J. Porteous, Tetsuya Ando, Arne E. Vaaler, Bru Cormand, Laura Carlberg, Claire Churchhouse, Manfred Stuhrmann, Niamh Mullins, Christine Søholm Hansen, Cathy L. Budman, Hartmut Imgart, Dan E. Arking, James J. McGough, Michael Gill, Christel Depienne, Roland Burghardt, Antonio Julià, Anders M. Dale, Sven Sandin, Katharina Domschke, Maria Grigoroiu-Serbanescu, Susana Jiménez-Murcia, Marianne Giørtz Pedersen, Zsanett Tarnok, Gisli Baldursson, Michele T. Pato, David M. Hougaard, Thorgeir E. Thorgeirsson, Katharina Bey, Kerstin J. Plessen, Margaret A. Richter, Ole A. Andreassen, Claudine Laurent-Levinson, Leonid Padyukov, Jacques Mallet, Daniela Degortes, John R. Kelsoe, Robert D. Levitan, Andreas Reif, Chaim Huyser, Derek W. Morris, Sina Wanderer, William Byerley, Edna Grünblatt, E.J.C. de Geus, Hyejung Won, Josephine Elia, Rudolf Uher, Jay A. Tischfield, Andreas Karwautz, Gustavo Turecki, Pieter J. Hoekstra, Dorret I. Boomsma, Jacob Rosenthal, Daniele Cusi, Michael C. Neale, Sara Mostafavi, Gwyneth Zai, F. Anthony O'Neill, Gary Donohoe, Karola Rehnström, Harry Brandt, Helena Gaspar, Francis J. McMahon, H-Erich Wichmann, Andrew W. Bergen, Giovanni Coppola, Lea K. 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O., Lucae, S., Maaser, A., Malt, U. F., Martin, N. G., Martinsson, L., Mcelroy, S. L., Mcmahon, F. J., Mcquillin, A., Melle, I., Metspalu, A., Millischer, V., Mitchell, P. B., Montgomery, G. W., Morken, G., Morris, D. W., Muller-Myhsok, B., Mullins, N., Myers, R. M., Nievergelt, C. M., Nordentoft, M., Adolfsson, A. N., Nothen, M. M., Ophoff, R. A., Owen, M. J., Paciga, S. A., Pato, C. N., Pato, M. T., Perlis, R. H., Perry, A., Potash, J. B., Reinbold, C. S., Rietschel, M., Rivera, M., Roberson, M., Schalling, M., Schofield, P. R., Schulze, T. G., Scott, L. J., Serretti, A., Sigurdsson, E., Smeland, O. B., Stordal, E., Streit, F., Strohmaier, J., Thorgeirsson, T. E., Treutlein, J., Turecki, G., Vaaler, A. E., Vieta, E., Vincent, J. B., Wang, Y., Witt, S. H., Zandi, P., Adan, R. A. H., Alfredsson, L., Ando, T., Aschauer, H., Baker, J. H., Bencko, V., Bergen, A. W., Birgegard, A., Perica, V. B., Brandt, H., Burghardt, R., Carlberg, L., Cassina, M., Clementi, M., Courtet, P., Crawford, S., Crow, S., Crowley, J. J., Danner, U. N., Davis, O. S. P., Degortes, D., Desocio, J. E., Dick, D. M., Dina, C., Docampo, E., Egberts, K., Ehrlich, S., Espeseth, T., Fernandez-Aranda, F., Fichter, M. M., Foretova, L., Forzan, M., Gambaro, G., Giegling, I., Gonidakis, F., Gorwood, P., Mayora, M. G., Guo, Y., Halmi, K. A., Hatzikotoulas, K., Hebebrand, J., Helder, S. G., Herpertz-Dahlmann, B., Herzog, W., Hinney, A., Imgart, H., Jimenez-Murcia, S., Johnson, C., Jordan, J., Julia, A., Kaminska, D., Karhunen, L., Karwautz, A., Kas, M. J. H., Kaye, W. H., Kennedy, M. A., Kim, Y. -R., Klareskog, L., Klump, K. L., Knudsen, G. P. S., Landen, M., Le Hellard, S., Levitan, R. D., Li, D., Lichtenstein, P., Maj, M., Marsal, S., Mcdevitt, S., Mitchell, J., Monteleone, P., Monteleone, A. M., Munn-Chernoff, M. A., Nacmias, B., Navratilova, M., O'Toole, J. K., Padyukov, L., Pantel, J., Papezova, H., Rabionet, R., Raevuori, A., Ramoz, N., Reichborn-Kjennerud, T., Ricca, V., Roberts, M., Rujescu, D., Rybakowski, F., Scherag, A., Schmidt, U., Seitz, J., Slachtova, L., Slof-Op't Landt, M. C. T., Slopien, A., Sorbi, S., Southam, L., Strober, M., Tortorella, A., Tozzi, F., Treasure, J., Tziouvas, K., van Elburg, A. A., Wade, T. D., Wagner, G., Walton, E., Watson, H. J., Wichmann, H. -E., Woodside, D. B., Zeggini, E., Zerwas, S., Zipfel, S., Adams, M. J., Andlauer, T. F. M., Berger, K., Binder, E. B., Boomsma, D. I., Castelao, E., Colodro-Conde, L., Direk, N., Docherty, A. R., Domenici, E., Domschke, K., Dunn, E. C., Foo, J. C., D, e. Geus E. J. C., Grabe, H. J., Hamilton, S. P., Horn, C., Hottenga, J. -J., Howard, D., Ising, M., Kloiber, S., Levinson, D. F., Lewis, G., Magnusson, P. K. E., Mbarek, H., Middeldorp, C. M., Mostafavi, S., Nyholt, D. R., Penninx, B. W., Peterson, R. E., Pistis, G., Porteous, D. J., Preisig, M., Quiroz, J. A., Schaefer, C., Schulte, E. C., Shi, J., Smith, D. J., Thomson, P. A., Tiemeier, H., Uher, R., van der Auwera, S., Weissman, M. M., Alexander, M., Begemann, M., Bramon, E., Buccola, N. G., Cairns, M. J., Campion, D., Carr, V. J., Cloninger, C. R., Cohen, D., Collier, D. A., Corvin, A., Delisi, L. E., Donohoe, G., Dudbridge, F., Duan, J., Freedman, R., Gejman, P. V., Golimbet, V., Godard, S., Ehrenreich, H., Hartmann, A. M., Henskens, F. A., Ikeda, M., Iwata, N., Jablensky, A. V., Joa, I., Jonsson, E. G., Kelly, B. J., Knight, J., Konte, B., Laurent-Levinson, C., Lee, J., Lencz, T., Lerer, B., Loughland, C. M., Malhotra, A. K., Mallet, J., Mcdonald, C., Mitjans, M., Mowry, B. J., Murphy, K. C., Murray, R. M., O'Neill, F. A., Oh, S. -Y., Palotie, A., Pantelis, C., Pulver, A. E., Petryshen, T. L., Quested, D. J., Riley, B., Sanders, A. R., Schall, U., Schwab, S. G., Scott, R. J., Sham, P. C., Silverman, J. M., Sim, K., Steixner, A. A., Tooney, P. A., van Os, J., Vawter, M. P., Walsh, D., Weiser, M., Wildenauer, D. B., Williams, N. M., Wormley, B. K., Zhang, F., Androutsos, C., Arnold, P. D., Barr, C. L., Barta, C., Bey, K., Bienvenu, O. J., Black, D. W., Brown, L. W., Budman, C., Cath, D., Cheon, K. -A., Ciullo, V., Coffey, B. J., Cusi, D., Davis, L. K., Denys, D., Depienne, C., Dietrich, A., Eapen, V., Falkai, P., Fernandez, T. V., Garcia-Delgar, B., Geller, D. A., Gilbert, D. L., Grados, M. A., Greenberg, E., Grunblatt, E., Hagstrom, J., Hanna, G. L., Hartmann, A., Hedderly, T., Heiman, G. A., Heyman, I., Hong, H. J., Huang, A., Huyser, C., Ibanez-Gomez, L., Khramtsova, E. A., Kim, Y. K., Kim, Y. -S., King, R. A., Koh, Y. -J., Konstantinidis, A., Kook, S., Kuperman, S., Leventhal, B. L., Lochner, C., Ludolph, A. G., Madruga-Garrido, M., Malaty, I., Maras, A., Mccracken, J. T., Meijer, I. A., Mir, P., Morer, A., Muller-Vahl, K. R., Munchau, A., Murphy, T. L., Naarden, A., Nagy, P., Nestadt, G., Nestadt, P. S., Nicolini, H., Nurmi, E. L., Okun, M. S., Paschou, P., Piras, F., Pittenger, C., Plessen, K. J., Richter, M. A., Rizzo, R., Robertson, M., Roessner, V., Ruhrmann, S., Samuels, J. F., Sandor, P., Schlogelhofer, M., Shin, E. -Y., Singer, H., Song, D. -H., Song, J., Spalletta, G., Stein, D. J., Stewart, S. E., Storch, E. A., Stranger, B., Stuhrmann, M., Tarnok, Z., Tischfield, J. A., Tubing, J., Visscher, F., Vulink, N., Wagner, M., Walitza, S., Wanderer, S., Woods, M., Worbe, Y., Zai, G., Zinner, S. H., Sullivan, P. F., Franke, B., Daly, M. J., Bulik, C. M., Mcintosh, A. M., O'Donovan, M. C., Zheutlin, A., Andreassen, O. A., Borglum, A. D., Breen, G., Edenberg, H. J., Fanous, A. H., Faraone, S. V., Gelernter, J., Mathews, C. A., Mattheisen, M., Mitchell, K. S., Neale, M. C., Nurnberger, J. I., Ripke, S., Santangelo, S. L., Scharf, J. M., Stein, M. B., Thornton, L. M., Walters, J. T. R., Wray, N. R., Geschwind, D. H., Neale, B. M., Kendler, K. S., and Smoller, J. W.
Subjects: Netherlands Twin Register (NTR), cross-disorder genetics, Medizin, Genome-wide association study, Tourette syndrome, functional genomics, gene expression, genetic architecture, genetic correlation, GWAS, neurodevelopment, pleiotropy, psychiatric disorders, Psychiatric genetics, 0302 clinical medicine, Pleiotropy, functional genomic, WIDE ASSOCIATION, cross-disorder genetic, 0303 health sciences, Mental Disorders, Genetic Pleiotropy, HUMAN BRAIN, INSIGHTS, Autism spectrum disorder, Schizophrenia, DISEASES, GENETIC CORRELATIONS, medicine.medical_specialty, Neurogenesis, Quantitative Trait Loci, BF, Biology, GENOTYPE IMPUTATION, Psychiatric geneticscross-disorder geneticspsychiatric disorderspleiotropyneurodevelopmentGWASgenetic correlationgene expressiongenetic architecturefunctional genomics, Article, General Biochemistry, Genetics and Molecular Biology, psychiatric disorder, 03 medical and health sciences, SDG 3 - Good Health and Well-being, medicine, Humans, Genetic Predisposition to Disease, Bipolar disorder, TRANSCRIPTOME, Psychiatry, 030304 developmental biology, Gwas, Psychiatric Genetics, Cross-disorder Genetics, Functional Genomics, Gene Expression, Genetic Architecture, Genetic Correlation, Neurodevelopment, Psychiatric Disorders, Neurodevelopmental disorders Donders Center for Medical Neuroscience [Radboudumc 7], IDENTIFICATION, MUTATIONS, medicine.disease, Genetic architecture, DEMETHYLASE, RC0321, 1182 Biochemistry, cell and molecular biology, 030217 neurology & neurosurgery, Genome-Wide Association Study
Abstract: Genetic influences on psychiatric disorders transcend diagnostic boundaries, suggesting substantial pleiotropy of contributing loci. However, the nature and mechanisms of these pleiotropic effects remain unclear. We performed analyses of 232,964 cases and 494,162 controls from genome-wide studies of anorexia nervosa, attention-deficit/hyper-activity disorder, autism spectrum disorder, bipolar disorder, major depression, obsessive-compulsive disorder, schizophrenia, and Tourette syndrome. Genetic correlation analyses revealed a meaningful structure within the eight disorders, identifying three groups of inter-related disorders. Meta-analysis across these eight disorders detected 109 loci associated with at least two psychiatric disorders, including 23 loci with pleiotropic effects on four or more disorders and 11 loci with antagonistic effects on multiple disorders. The pleiotropic loci are located within genes that show heightened expression in the brain throughout the lifespan, beginning prenatally in the second trimester, and play prominent roles in neurodevelopmental processes. These findings have important implications for psychiatric nosology, drug development, and risk prediction.
Published: 2019

45. The effect of a genetic variant at the schizophrenia associated AS3MT/BORCS7 locus on striatal dopamine function: A PET imaging study

Author: Oliver D. Howes, Sean Froudist-Walsh, Maria Rogdaki, Michael A P Bloomfield, Antonio F. Pardiñas, Tarik Dahoun, Enrico D'Ambrosio, James T.R. Walters, Ilaria Bonoldi, Mattia Veronese, and Sameer Jauhar
Subjects: Adult, Male, 10q24.32, Psychosis, Dopamine, Neuroscience (miscellaneous), Locus (genetics), Genome-wide association study, Striatum, Polymorphism, Single Nucleotide, Article, Imaging, 03 medical and health sciences, 0302 clinical medicine, Genotype, Humans, Medicine, SNP, Genetic Predisposition to Disease, Radiology, Nuclear Medicine and imaging, Chromosomes, Human, Pair 10, business.industry, Dopaminergic, Dopamine synthesis capacity, Methyltransferases, medicine.disease, Corpus Striatum, Healthy Volunteers, PET, Schizophrenia, Dihydroxyphenylalanine, 3. Good health, 030227 psychiatry, Cytoskeletal Proteins, Psychiatry and Mental health, Positron-Emission Tomography, Female, business, Neuroscience, 030217 neurology & neurosurgery, medicine.drug
Abstract: One of the most statistically significant loci to result from large-scale GWAS of schizophrenia is 10q24.32. However, it is still unclear how this locus is involved in the pathoaetiology of schizophrenia. The hypothesis that presynaptic dopamine dysfunction underlies schizophrenia is one of the leading theories of the pathophysiology of the disorder. Supporting this, molecular imaging studies show evidence for elevated dopamine synthesis and release capacity. Thus, altered dopamine function could be a potential mechanism by which this genetic variant acts to increase the risk of schizophrenia. We therefore tested the hypothesis that the 10q24.32 region confers genetic risk for schizophrenia through an effect on striatal dopamine function. To this aim we investigated the in vivo relationship between a GWAS schizophrenia-associated SNP within this locus and dopamine synthesis capacity measured using [18F]-DOPA PET in healthy controls. 92 healthy volunteers underwent [18F]-DOPA PET scans to measure striatal dopamine synthesis capacity (indexed as Ki cer) and were genotyped for the SNP rs7085104. We found a significant association between rs7085104 genotype and striatal Ki cer. Our findings indicate that the mechanism mediating the 10q24.32 risk locus for schizophrenia could involve altered dopaminergic function. Future studies are needed to clarify the neurobiological pathway implicated in this association.
Published: 2019

46. The Relationship Between Polygenic Risk Scores and Cognition in Schizophrenia

Author: Laura Ferraro, Michael John Owen, Tracey L. Petryshen, Franziska Degenhardt, Derek W. Morris, Alexander Richards, Aura Frizzati, Ingrid Agartz, Leonhard Lennertz, Ingrid Melle, Fabian Streit, Jim van Os, Bart P. F. Rutten, Bettina Konte, Valentina Escott-Price, Annette M. Hartmann, Håkan Nyman, Ole A. Andreassen, Jana Strohmaier, Diego Quattrone, John Hubert, Gary Donohoe, Sophie E. Legge, Roel A. Ophoff, Loes M. Olde Loohuis, Amy Lynham, Dan Rujescu, Gabriëlla A.M. Blokland, James T.R. Walters, Jeanne E. Savage, Peter Holmans, Craig Morgan, Erik G. Jönsson, Robin M. Murray, Neeltje E.M. van Haren, Kjetil Sundet, Charlotte Gayer-Anderson, Antonio F. Pardiñas, Donna Cosgrove, Michael Wagner, Marcella Rietschel, Michael Conlon O'Donovan, Aiden Corvin, Patrick F. Sullivan, Thomas Espeseth, Ina Giegling, Katherine E. Tansey, Srdjan Djurovic, Child and Adolescent Psychiatry / Psychology, Psychiatrie & Neuropsychologie, RS: MHeNs - R2 - Mental Health, MUMC+: Hersen en Zenuw Centrum (3), MUMC+: MA Psychiatrie (3), RS: MHeNs - R3 - Neuroscience, Complex Trait Genetics, Amsterdam Neuroscience - Complex Trait Genetics, Richards, Alexander L, Pardiñas, Antonio F, Frizzati, Aura, Tansey, Katherine E, Lynham, Amy J, Holmans, Peter, Legge, Sophie E, Savage, Jeanne E, Agartz, Ingrid, Andreassen, Ole A, Blokland, Gabriella A M, Corvin, Aiden, Cosgrove, Donna, Degenhardt, Franziska, Djurovic, Srdjan, Espeseth, Thoma, Ferraro, Laura, Gayer-Anderson, Charlotte, Giegling, Ina, van Haren, Neeltje E, Hartmann, Annette M, Hubert, John J, Jönsson, Erik G, Konte, Bettina, Lennertz, Leonhard, Olde Loohuis, Loes M, Melle, Ingrid, Morgan, Craig, Morris, Derek W, Murray, Robin M, Nyman, Håkan, Ophoff, Roel A, van Os, Jim, Petryshen, Tracey L, Quattrone, Diego, Rietschel, Marcella, Rujescu, Dan, Rutten, Bart P F, Streit, Fabian, Strohmaier, Jana, Sullivan, Patrick F, Sundet, Kjetil, Wagner, Michael, Escott-Price, Valentina, Owen, Michael J, Donohoe, Gary, O’Donovan, Michael C, and Walters, James T R
Subjects: Multifactorial Inheritance, Bipolar Disorder, Datasets as Topic, INTELLIGENCE, Genome-wide association study, 0302 clinical medicine, genetics [Schizophrenia], education.field_of_study, HERITABILITY, COMMON VARIANTS, Cognition, bioinformatics, intelligence, psychiatry, ABILITY, Psychiatry and Mental health, Schizophrenia, Major depressive disorder, Educational Status, psychiatry, genomics, intelligence, bioinformatics, Clinical psychology, Population, genetics [Psychotic Disorders], behavioral disciplines and activities, 03 medical and health sciences, mental disorders, genomics, medicine, Humans, Bipolar disorder, ddc:610, GENOME-WIDE ASSOCIATION, education, Settore MED/25 - Psichiatria, METAANALYSIS, Genetic association, Depressive Disorder, Major, ENDOPHENOTYPES, business.industry, MEMORY, CONSORTIUM, genetics [Depressive Disorder, Major], PERFORMANCE, medicine.disease, 030227 psychiatry, Psychotic Disorders, genetics [Intelligence], Endophenotype, business, 030217 neurology & neurosurgery, genetics [Bipolar Disorder], Regular Articles, Genome-Wide Association Study
Abstract: Background Cognitive impairment is a clinically important feature of schizophrenia. Polygenic risk score (PRS) methods have demonstrated genetic overlap between schizophrenia, bipolar disorder (BD), major depressive disorder (MDD), educational attainment (EA), and IQ, but very few studies have examined associations between these PRS and cognitive phenotypes within schizophrenia cases. Methods We combined genetic and cognitive data in 3034 schizophrenia cases from 11 samples using the general intelligence factor g as the primary measure of cognition. We used linear regression to examine the association between cognition and PRS for EA, IQ, schizophrenia, BD, and MDD. The results were then meta-analyzed across all samples. A genome-wide association studies (GWAS) of cognition was conducted in schizophrenia cases. Results PRS for both population IQ (P = 4.39 × 10–28) and EA (P = 1.27 × 10–26) were positively correlated with cognition in those with schizophrenia. In contrast, there was no association between cognition in schizophrenia cases and PRS for schizophrenia (P = .39), BD (P = .51), or MDD (P = .49). No individual variant approached genome-wide significance in the GWAS. Conclusions Cognition in schizophrenia cases is more strongly associated with PRS that index cognitive traits in the general population than PRS for neuropsychiatric disorders. This suggests the mechanisms of cognitive variation within schizophrenia are at least partly independent from those that predispose to schizophrenia diagnosis itself. Our findings indicate that this cognitive variation arises at least in part due to genetic factors shared with cognitive performance in populations and is not solely due to illness or treatment-related factors, although our findings are consistent with important contributions from these factors.
Published: 2019

47. Integrative functional genomic analysis of human brain development and neuropsychiatric risks

Author: James T.R. Walters, Ed S. Lein, Donna M. Werling, Paola Giusti-Rodríguez, Mark Gerstein, Shuang Liu, Mihovil Pletikos, Patrick F. Sullivan, Susan M. Sunkin, Fulai Jin, Daniel R. Weinberger, Yuka Imamura Kawasawa, Daifeng Wang, Ming Hu, Michael Conlon O'Donovan, Mingfeng Li, Matthew W. State, Stephen Sanders, Hyo Jung Kang, Jinmyung Choi, Daniel H. Geschwind, Thomas M. Hyde, Michael Hawrylycz, Mark Reimers, Yurae Shin, James A. Knowles, Sirisha Pochareddy, Pat Levitt, Christiaan de Leeuw, Nenad Sestan, Gabriel Santpere, André M. M. Sousa, Danielle Posthuma, Sydney Muchnik, Ying Zhu, Michael John Owen, Oleg V. Evgrafov, Hyejung Won, PsychENCODE Developmental Subgroup, Xuming Xu, Forrest O. Gulden, Zhen Li, Yun Li, Robert R. Kitchen, Antonio F. Pardiñas, Joel E. Kleinman, Belen Lorente-Galdos, Complex Trait Genetics, and Amsterdam Neuroscience - Complex Trait Genetics
Subjects: 0301 basic medicine, Epigenomics, Cell type, General Science & Technology, Neurogenesis, Gene regulatory network, PsychENCODE Consortium, Biology, Article, Epigenesis, Genetic, Transcriptome, 03 medical and health sciences, Single-cell analysis, SDG 3 - Good Health and Well-being, Genetic, medicine, Genetics, Humans, Developmental, Gene Regulatory Networks, PsychENCODE Developmental Subgroup, Epigenesis, Regulation of gene expression, BrainSpan Consortium, Pediatric, Multidisciplinary, Mental Disorders, Human Genome, Neurosciences, Gene Expression Regulation, Developmental, Brain, Human brain, 030104 developmental biology, medicine.anatomical_structure, Mental Health, Gene Expression Regulation, Evolutionary biology, Nervous System Diseases, Single-Cell Analysis, transcriptome, DNA methylation, histone modifications, Biotechnology
Abstract: INTRODUCTION The brain is responsible for cognition, behavior, and much of what makes us uniquely human. The development of the brain is a highly complex process, and this process is reliant on precise regulation of molecular and cellular events grounded in the spatiotemporal regulation of the transcriptome. Disruption of this regulation can lead to neuropsychiatric disorders. RATIONALE The regulatory, epigenomic, and transcriptomic features of the human brain have not been comprehensively compiled across time, regions, or cell types. Understanding the etiology of neuropsychiatric disorders requires knowledge not just of endpoint differences between healthy and diseased brains but also of the developmental and cellular contexts in which these differences arise. Moreover, an emerging body of research indicates that many aspects of the development and physiology of the human brain are not well recapitulated in model organisms, and therefore it is necessary that neuropsychiatric disorders be understood in the broader context of the developing and adult human brain. RESULTS Here we describe the generation and analysis of a variety of genomic data modalities at the tissue and single-cell levels, including transcriptome, DNA methylation, and histone modifications across multiple brain regions ranging in age from embryonic development through adulthood. We observed a widespread transcriptomic transition beginning during late fetal development and consisting of sharply decreased regional differences. This reduction coincided with increases in the transcriptional signatures of mature neurons and the expression of genes associated with dendrite development, synapse development, and neuronal activity, all of which were temporally synchronous across neocortical areas, as well as myelination and oligodendrocytes, which were asynchronous. Moreover, genes including MEF2C , SATB2 , and TCF4 , with genetic associations to multiple brain-related traits and disorders, converged in a small number of modules exhibiting spatial or spatiotemporal specificity. CONCLUSION We generated and applied our dataset to document transcriptomic and epigenetic changes across human development and then related those changes to major neuropsychiatric disorders. These data allowed us to identify genes, cell types, gene coexpression modules, and spatiotemporal loci where disease risk might converge, demonstrating the utility of the dataset and providing new insights into human development and disease. Spatiotemporal dynamics of human brain development and neuropsychiatric risks. Human brain development begins during embryonic development and continues through adulthood (top). Integrating data modalities (bottom left) revealed age- and cell type–specific properties and global patterns of transcriptional dynamics, including a late fetal transition (bottom middle). We related the variation in gene expression (brown, high; purple, low) to regulatory elements in the fetal and adult brains, cell type–specific signatures, and genetic loci associated with neuropsychiatric disorders (bottom right; gray circles indicate enrichment for corresponding features among module genes). Relationships depicted in this panel do not correspond to specific observations. CBC, cerebellar cortex; STR, striatum; HIP, hippocampus; MD, mediodorsal nucleus of thalamus; AMY, amygdala.
Published: 2018

48. Bi-allelic Loss-of-Function CACNA1B Mutations in Progressive Epilepsy-Dyskinesia

Author: Kathleen M. Gorman, Esther Meyer, Detelina Grozeva, Egidio Spinelli, Amy McTague, Alba Sanchis-Juan, Keren J. Carss, Emily Bryant, Adi Reich, Amy L. Schneider, Ronit M. Pressler, Michael A. Simpson, Geoff D. Debelle, Evangeline Wassmer, Jenny Morton, Diana Sieciechowicz, Eric Jan-Kamsteeg, Alex R. Paciorkowski, Mary D. King, J. Helen Cross, Annapurna Poduri, Heather C. Mefford, Ingrid E. Scheffer, Tobias B. Haack, Gary McCullagh, John J. Millichap, Gemma L. Carvill, Jill Clayton-Smith, Eamonn R. Maher, F. Lucy Raymond, Manju A. Kurian, Jeremy F. McRae, Stephen Clayton, Tomas W. Fitzgerald, Joanna Kaplanis, Elena Prigmore, Diana Rajan, Alejandro Sifrim, Stuart Aitken, Nadia Akawi, Mohsan Alvi, Kirsty Ambridge, Daniel M. Barrett, Tanya Bayzetinova, Philip Jones, Wendy D. Jones, Daniel King, Netravathi Krishnappa, Laura E. Mason, Tarjinder Singh, Adrian R. Tivey, Munaza Ahmed, Uruj Anjum, Hayley Archer, Ruth Armstrong, Jana Awada, Meena Balasubramanian, Siddharth Banka, Diana Baralle, Angela Barnicoat, Paul Batstone, David Baty, Chris Bennett, Jonathan Berg, Birgitta Bernhard, A. Paul Bevan, Maria Bitner-Glindzicz, Edward Blair, Moira Blyth, David Bohanna, Louise Bourdon, David Bourn, Lisa Bradley, Angela Brady, Simon Brent, Carole Brewer, Kate Brunstrom, David J. Bunyan, John Burn, Natalie Canham, Bruce Castle, Kate Chandler, Elena Chatzimichali, Deirdre Cilliers, Angus Clarke, Susan Clasper, Virginia Clowes, Andrea Coates, Trevor Cole, Irina Colgiu, Amanda Collins, Morag N. Collinson, Fiona Connell, Nicola Cooper, Helen Cox, Lara Cresswell, Gareth Cross, Yanick Crow, Mariella D’Alessandro, Tabib Dabir, Rosemarie Davidson, Sally Davies, Dylan de Vries, John Dean, Charu Deshpande, Gemma Devlin, Abhijit Dixit, Angus Dobbie, Alan Donaldson, Dian Donnai, Deirdre Donnelly, Carina Donnelly, Angela Douglas, Sofia Douzgou, Alexis Duncan, Jacqueline Eason, Sian Ellard, Ian Ellis, Frances Elmslie, Karenza Evans, Sarah Everest, Tina Fendick, Richard Fisher, Frances Flinter, Nicola Foulds, Andrew Fry, Alan Fryer, Carol Gardiner, Lorraine Gaunt, Neeti Ghali, Richard Gibbons, Harinder Gill, Judith Goodship, David Goudie, Emma Gray, Andrew Green, Philip Greene, Lynn Greenhalgh, Susan Gribble, Rachel Harrison, Lucy Harrison, Victoria Harrison, Rose Hawkins, Liu He, Stephen Hellens, Alex Henderson, Sarah Hewitt, Lucy Hildyard, Emma Hobson, Simon Holden, Muriel Holder, Susan Holder, Georgina Hollingsworth, Tessa Homfray, Mervyn Humphreys, Jane Hurst, Ben Hutton, Stuart Ingram, Melita Irving, Lily Islam, Andrew Jackson, Joanna Jarvis, Lucy Jenkins, Diana Johnson, Elizabeth Jones, Dragana Josifova, Shelagh Joss, Beckie Kaemba, Sandra Kazembe, Rosemary Kelsell, Bronwyn Kerr, Helen Kingston, Usha Kini, Esther Kinning, Gail Kirby, Claire Kirk, Emma Kivuva, Alison Kraus, Dhavendra Kumar, V. K. Ajith Kumar, Katherine Lachlan, Wayne Lam, Anne Lampe, Caroline Langman, Melissa Lees, Derek Lim, Cheryl Longman, Gordon Lowther, Sally A. Lynch, Alex Magee, Eddy Maher, Alison Male, Sahar Mansour, Karen Marks, Katherine Martin, Una Maye, Emma McCann, Vivienne McConnell, Meriel McEntagart, Ruth McGowan, Kirsten McKay, Shane McKee, Dominic J. McMullan, Susan McNerlan, Catherine McWilliam, Sarju Mehta, Kay Metcalfe, Anna Middleton, Zosia Miedzybrodzka, Emma Miles, Shehla Mohammed, Tara Montgomery, David Moore, Sian Morgan, Hood Mugalaasi, Victoria Murday, Helen Murphy, Swati Naik, Andrea Nemeth, Louise Nevitt, Ruth Newbury-Ecob, Andrew Norman, Rosie O’Shea, Caroline Ogilvie, Kai-Ren Ong, Soo-Mi Park, Michael J. Parker, Chirag Patel, Joan Paterson, Stewart Payne, Daniel Perrett, Julie Phipps, Daniela T. Pilz, Martin Pollard, Caroline Pottinger, Joanna Poulton, Norman Pratt, Katrina Prescott, Sue Price, Abigail Pridham, Annie Procter, Hellen Purnell, Oliver Quarrell, Nicola Ragge, Raheleh Rahbari, Josh Randall, Julia Rankin, Lucy Raymond, Debbie Rice, Leema Robert, Eileen Roberts, Jonathan Roberts, Paul Roberts, Gillian Roberts, Alison Ross, Elisabeth Rosser, Anand Saggar, Shalaka Samant, Julian Sampson, Richard Sandford, Ajoy Sarkar, Susann Schweiger, Richard Scott, Ingrid Scurr, Ann Selby, Anneke Seller, Cheryl Sequeira, Nora Shannon, Saba Sharif, Charles Shaw-Smith, Emma Shearing, Debbie Shears, Eamonn Sheridan, Ingrid Simonic, Roldan Singzon, Zara Skitt, Audrey Smith, Kath Smith, Sarah Smithson, Linda Sneddon, Miranda Splitt, Miranda Squires, Fiona Stewart, Helen Stewart, Volker Straub, Mohnish Suri, Vivienne Sutton, Ganesh Jawahar Swaminathan, Elizabeth Sweeney, Kate Tatton-Brown, Cat Taylor, Rohan Taylor, Mark Tein, I. Karen Temple, Jenny Thomson, Marc Tischkowitz, Susan Tomkins, Audrey Torokwa, Becky Treacy, Claire Turner, Peter Turnpenny, Carolyn Tysoe, Anthony Vandersteen, Vinod Varghese, Pradeep Vasudevan, Parthiban Vijayarangakannan, Julie Vogt, Emma Wakeling, Sarah Wallwark, Jonathon Waters, Astrid Weber, Diana Wellesley, Margo Whiteford, Sara Widaa, Sarah Wilcox, Emily Wilkinson, Denise Williams, Nicola Williams, Louise Wilson, Geoff Woods, Christopher Wragg, Michael Wright, Laura Yates, Michael Yau, Chris Nellåker, Michael Parker, Helen V. Firth, Caroline F. Wright, David R. FitzPatrick, Jeffrey C. Barrett, Matthew E. Hurles, Saeed Al Turki, Carl Anderson, Richard Anney, Dinu Antony, Maria Soler Artigas, Muhammad Ayub, Senduran Balasubramaniam, Inês Barroso, Phil Beales, Jamie Bentham, Shoumo Bhattacharya, Ewan Birney, Douglas Blackwood, Martin Bobrow, Elena Bochukova, Patrick Bolton, Rebecca Bounds, Chris Boustred, Gerome Breen, Mattia Calissano, Keren Carss, Krishna Chatterjee, Lu Chen, Antonio Ciampi, Sebhattin Cirak, Peter Clapham, Gail Clement, Guy Coates, David Collier, Catherine Cosgrove, Tony Cox, Nick Craddock, Lucy Crooks, Sarah Curran, David Curtis, Allan Daly, Aaron Day-Williams, Ian N.M. Day, Thomas Down, Yuanping Du, Ian Dunham, Sarah Edkins, Peter Ellis, David Evans, Sadaf Faroogi, Ghazaleh Fatemifar, David R. Fitzpatrick, Paul Flicek, James Flyod, A. Reghan Foley, Christopher S. Franklin, Marta Futema, Louise Gallagher, Matthias Geihs, Daniel Geschwind, Heather Griffin, Xueqin Guo, Xiaosen Guo, Hugh Gurling, Deborah Hart, Audrey Hendricks, Peter Holmans, Bryan Howie, Liren Huang, Tim Hubbard, Steve E. Humphries, Pirro Hysi, David K. Jackson, Yalda Jamshidi, Tian Jing, Chris Joyce, Jane Kaye, Thomas Keane, Julia Keogh, John Kemp, Karen Kennedy, Anja Kolb-Kokocinski, Genevieve Lachance, Cordelia Langford, Daniel Lawson, Irene Lee, Monkol Lek, Jieqin Liang, Hong Lin, Rui Li, Yingrui Li, Ryan Liu, Jouko Lönnqvist, Margarida Lopes, Valentina Iotchkova, Daniel MacArthur, Jonathan Marchini, John Maslen, Mangino Massimo, Iain Mathieson, Gaëlle Marenne, Peter McGuffin, Andrew McIntosh, Andrew G. McKechanie, Andrew McQuillin, Sarah Metrustry, Hannah Mitchison, Alireza Moayyeri, James Morris, Francesco Muntoni, Kate Northstone, Michael O'Donnovan, Alexandros Onoufriadis, Stephen O'Rahilly, Karim Oualkacha, Michael J. Owen, Aarno Palotie, Kalliope Panoutsopoulou, Victoria Parker, Jeremy R. Parr, Lavinia Paternoster, Tiina Paunio, Felicity Payne, Olli Pietilainen, Vincent Plagnol, Lydia Quaye, Michael A. Quail, Karola Rehnström, Susan Ring, Graham R.S. Ritchie, Nicola Roberts, David B. Savage, Peter Scambler, Stephen Schiffels, Miriam Schmidts, Nadia Schoenmakers, Robert K. Semple, Eva Serra, Sally I. Sharp, So-Youn Shin, David Skuse, Kerrin Small, Lorraine Southam, Olivera Spasic-Boskovic, David St Clair, Jim Stalker, Elizabeth Stevens, Beate St Pourcian, Jianping Sun, Jaana Suvisaari, Ionna Tachmazidou, Martin D. Tobin, Ana Valdes, Margriet Van Kogelenberg, Peter M. Visscher, Louise V. Wain, James T.R. Walters, Guangbiao Wang, Jun Wang, Yu Wang, Kirsten Ward, Elanor Wheeler, Tamieka Whyte, Hywel Williams, Kathleen A. Williamson, Crispian Wilson, Kim Wong, ChangJiang Xu, Jian Yang, Fend Zhang, Pingbo Zhang, Timothy Aitman, Hana Alachkar, Sonia Ali, Louise Allen, David Allsup, Gautum Ambegaonkar, Julie Anderson, Richard Antrobus, Gavin Arno, Gururaj Arumugakani, Sofie Ashford, William Astle, Antony Attwood, Steve Austin, Chiara Bacchelli, Tamam Bakchoul, Tadbir K. Bariana, Helen Baxendale, David Bennett, Claire Bethune, Shahnaz Bibi, Marta Bleda, Harm Boggard, Paula Bolton-Maggs, Claire Booth, John R. Bradley, Angie Brady, Matthew Brown, Michael Browning, Christine Bryson, Siobhan Burns, Paul Calleja, Jenny Carmichael, Mark Caulfield, Elizabeth Chalmers, Anita Chandra, Patrick Chinnery, Manali Chitre, Colin Church, Emma Clement, Naomi Clements-Brod, Gerry Coghlan, Peter Collins, Nichola Cooper, Amanda Creaser-Myers, Rosa DaCosta, Louise Daugherty, Sophie Davies, John Davis, Minka De Vries, Patrick Deegan, Sri V.V. Deevi, Lisa Devlin, Eleanor Dewhurst, Rainer Doffinger, Natalie Dormand, Elizabeth Drewe, David Edgar, William Egner, Wendy N. Erber, Marie Erwood, Tamara Everington, Remi Favier, Helen Firth, Debra Fletcher, James C. Fox, Amy Frary, Kathleen Freson, Bruce Furie, Abigail Furnell, Daniel Gale, Alice Gardham, Michael Gattens, Pavandeep K. Ghataorhe, Rohit Ghurye, Simon Gibbs, Kimberley Gilmour, Paul Gissen, Sarah Goddard, Keith Gomez, Pavel Gordins, Stefan Gräf, Daniel Greene, Alan Greenhalgh, Andreas Greinacher, Sofia Grigoriadou, Scott Hackett, Charaka Hadinnapola, Rosie Hague, Matthias Haimel, Csaba Halmagyi, Tracey Hammerton, Daniel Hart, Grant Hayman, Johan W.M. Heemskerk, Robert Henderson, Anke Hensiek, Yvonne Henskens, Archana Herwadkar, Fengyuan Hu, Aarnoud Huissoon, Marc Humbert, Roger James, Stephen Jolles, Rashid Kazmi, David Keeling, Peter Kelleher, Anne M. Kelly, Fiona Kennedy, David Kiely, Nathalie Kingston, Ania Koziell, Deepa Krishnakumar, Taco W. Kuijpers, Dinakantha Kumararatne, Manju Kurian, Michael A. Laffan, Michele P. Lambert, Hana Lango Allen, Allan Lawrie, Sara Lear, Claire Lentaigne, Ri Liesner, Rachel Linger, Hilary Longhurst, Lorena Lorenzo, Rajiv Machado, Rob Mackenzie, Robert MacLaren, Eamonn Maher, Jesmeen Maimaris, Sarah Mangles, Ania Manson, Rutendo Mapeta, Hugh S. Markus, Jennifer Martin, Larahmie Masati, Mary Mathias, Vera Matser, Anna Maw, Elizabeth McDermott, Coleen McJannet, Stuart Meacham, Sharon Meehan, Karyn Megy, Michel Michaelides, Carolyn M. Millar, Shahin Moledina, Anthony Moore, Nicholas Morrell, Andrew Mumford, Sai Murng, Elaine Murphy, Sergey Nejentsev, Sadia Noorani, Paquita Nurden, Eric Oksenhendler, Willem H. Ouwehand, Sofia Papadia, Alasdair Parker, John Pasi, Chris Patch, Jeanette Payne, Andrew Peacock, Kathelijne Peerlinck, Christopher J. Penkett, Joanna Pepke-Zaba, David J. Perry, Val Pollock, Gary Polwarth, Mark Ponsford, Waseem Qasim, Isabella Quinti, Stuart Rankin, Karola Rehnstrom, Evan Reid, Christopher J. Rhodes, Michael Richards, Sylvia Richardson, Alex Richter, Irene Roberts, Matthew Rondina, Catherine Roughley, Kevin Rue-Albrecht, Crina Samarghitean, Saikat Santra, Ravishankar Sargur, Sinisa Savic, Sol Schulman, Harald Schulze, Marie Scully, Suranjith Seneviratne, Carrock Sewell, Olga Shamardina, Debbie Shipley, Ilenia Simeoni, Suthesh Sivapalaratnam, Kenneth Smith, Aman Sohal, Laura Southgate, Simon Staines, Emily Staples, Hans Stauss, Penelope Stein, Jonathan Stephens, Kathleen Stirrups, Sophie Stock, Jay Suntharalingam, R. Campbell Tait, Kate Talks, Yvonne Tan, Jecko Thachil, James Thaventhiran, Ellen Thomas, Moira Thomas, Dorothy Thompson, Adrian Thrasher, Catherine Titterton, Cheng-Hock Toh, Mark Toshner, Carmen Treacy, Richard Trembath, Salih Tuna, Wojciech Turek, Ernest Turro, Chris Van Geet, Marijke Veltman, Julie von Ziegenweldt, Anton Vonk Noordegraaf, Ivy Wanjiku, Timothy Q. Warner, Hugh Watkins, Andrew Webster, Steve Welch, Sarah Westbury, John Wharton, Deborah Whitehorn, Martin Wilkins, Lisa Willcocks, Catherine Williamson, Geoffrey Woods, John Wort, Nigel Yeatman, Patrick Yong, Tim Young, Ping Yu, Paediatric Infectious Diseases / Rheumatology / Immunology, ARD - Amsterdam Reproduction and Development, Pediatric surgery, APH - Aging & Later Life, Molecular cell biology and Immunology, Pulmonary medicine, ACS - Pulmonary hypertension & thrombosis, and APH - Quality of Care
Subjects: 0301 basic medicine, Male, Adolescent, Loss of Heterozygosity, Context (language use), Postnatal microcephaly, Neurotransmission, medicine.disease_cause, Bioinformatics, Synaptic Transmission, Loss of heterozygosity, 03 medical and health sciences, Epilepsy, 0302 clinical medicine, Calcium Channels, N-Type, Report, Genetics, medicine, Humans, Child, Genetics (clinical), Mutation, Dyskinesias, business.industry, Infant, medicine.disease, Hypotonia, Pedigree, 030104 developmental biology, Dyskinesia, Child, Preschool, Calcium, Female, medicine.symptom, business, 030217 neurology & neurosurgery
Abstract: © 2019 American Society of Human Genetics The occurrence of non-epileptic hyperkinetic movements in the context of developmental epileptic encephalopathies is an increasingly recognized phenomenon. Identification of causative mutations provides an important insight into common pathogenic mechanisms that cause both seizures and abnormal motor control. We report bi-allelic loss-of-function CACNA1B variants in six children from three unrelated families whose affected members present with a complex and progressive neurological syndrome. All affected individuals presented with epileptic encephalopathy, severe neurodevelopmental delay (often with regression), and a hyperkinetic movement disorder. Additional neurological features included postnatal microcephaly and hypotonia. Five children died in childhood or adolescence (mean age of death: 9 years), mainly as a result of secondary respiratory complications. CACNA1B encodes the pore-forming subunit of the pre-synaptic neuronal voltage-gated calcium channel Cav2.2/N-type, crucial for SNARE-mediated neurotransmission, particularly in the early postnatal period. Bi-allelic loss-of-function variants in CACNA1B are predicted to cause disruption of Ca2+ influx, leading to impaired synaptic neurotransmission. The resultant effect on neuronal function is likely to be important in the development of involuntary movements and epilepsy. Overall, our findings provide further evidence for the key role of Cav2.2 in normal human neurodevelopment.
Published: 2018

49. Motor-related oscillatory activity in schizophrenia according to phase of illness and clinical symptom severity

Author: J.F. William Deakin, Krish D. Singh, Matthew J. Brookes, Gemma M. Williams, Loes Koelewijn, Lena Palaniyappan, Mohanbabu Rathnaiah, Mohammad Zia Ul Haq Katshu, Peter G. Morris, Peter F. Liddle, James T.R. Walters, Zelekha A. Seedat, Jyothika Kumar, and Lauren E. Gascoyne
Subjects: Post-movement beta rebound, Psychosis, Movement, Oscillatory bursts, Cognitive Neuroscience, Clinical Neurology, Transient beta events, lcsh:Computer applications to medicine. Medical informatics, lcsh:RC346-429, 050105 experimental psychology, 03 medical and health sciences, 0302 clinical medicine, Humans, Medicine, 0501 psychology and cognitive sciences, Radiology, Nuclear Medicine and imaging, Clinical severity, Beta (finance), lcsh:Neurology. Diseases of the nervous system, medicine.diagnostic_test, business.industry, 05 social sciences, Symptom severity, Brain, Magnetoencephalography, Regular Article, medicine.disease, Electrophysiology, Neurology, Radiology Nuclear Medicine and imaging, Schizophrenia, lcsh:R858-859.7, Neurology (clinical), Abnormality, Beta Rhythm, business, Neuroscience, 030217 neurology & neurosurgery
Abstract: Highlights • Beta rebound (PMBR) is reduced in recent-onset and established schizophrenia cases • In established cases, PMBR is negatively correlated with disorganisation symptoms • Hidden Markov model shows different transient pan-spectral bursts underlying PMBR., Magnetoencephalography (MEG) measures magnetic fields generated by synchronised neural current flow and provides direct inference on brain electrophysiology and connectivity, with high spatial and temporal resolution. The movement-related beta decrease (MRBD) and the post-movement beta rebound (PMBR) are well-characterised effects in magnetoencephalography (MEG), with the latter having been shown to relate to long-range network integrity. Our previous work has shown that the PMBR is diminished (relative to controls) in a group of schizophrenia patients. However, little is known about how this effect might differ in patients at different stages of illness and degrees of clinical severity. Here, we extend our previous findings showing that the MEG derived PMBR abnormality in schizophrenia exists in 29 recent-onset and 35 established cases (i.e., chronic patients), compared to 42 control cases. In established cases, PMBR is negatively correlated with severity of disorganization symptoms. Further, using a hidden Markov model analysis, we show that transient pan-spectral oscillatory ”bursts”, which underlie the PMBR, differ between healthy controls and patients. Results corroborate that PMBR is associated with disorganization of mental activity in schizophrenia.
Published: 2021

50. Mutation screening of SCN2A in schizophrenia and identification of a novel loss-of-function mutation

Author: Liam S. Carroll, Michael Conlon O'Donovan, James T.R. Walters, Michael John Owen, Yousef Ibrahim, Sarah Dwyer, George Kirov, Rebecca Woolf, and Hywel Williams
Subjects: Male, 0301 basic medicine, Schizophrenia (object-oriented programming), DNA Mutational Analysis, Mutation, Missense, Bioinformatics, behavioral disciplines and activities, Article, 03 medical and health sciences, 0302 clinical medicine, mental disorders, Genetics, medicine, Genetic predisposition, Humans, Missense mutation, Genetic Predisposition to Disease, Exome, Biological Psychiatry, Genetics (clinical), Exome sequencing, NAV1.2 Voltage-Gated Sodium Channel, business.industry, medicine.disease, United Kingdom, Stop codon, Psychiatry and Mental health, 030104 developmental biology, Mutation (genetic algorithm), Schizophrenia, Autism, Female, business, 030217 neurology & neurosurgery
Abstract: OBJECTIVES: There is a growing body of evidence suggesting a shared genetic susceptibility between many neuropsychiatric disorders, including schizophrenia, autism, intellectual disability (ID) and epilepsy. The sodium channel, voltage-gated type II α subunit gene SCN2A has been shown to exhibit loss-of-function (LoF) mutations in individuals with seizure disorders, ID, autism and schizophrenia. The role of LoF mutations in schizophrenia is still uncertain with only one such mutation identified to date. METHODS: To seek additional evidence for a role for LoF mutations at SCN2A in schizophrenia we performed mutation screening of the entire coding sequence in 980 schizophrenia cases. Given an absence of LoF mutations in a public exome cohort (ESP6500, N=6503), we did not additionally sequence controls. RESULTS: We identified a novel, nonsense (i.e. stop codon) mutation in one case (E169X) that is absent in 4300 European-American and 2203 African-American individuals from the NHLBI Exome Sequencing Project. This is the second LoF allele identified in a schizophrenia case to date. We also show a novel, missense variant, V1282F, that occurs in two cases and is absent in the control dataset. CONCLUSION: We argue that very rare, LoF mutations at SCN2A act in a moderately penetrant manner to increase the risk of developing several neuropsychiatric disorders including seizure disorders, ID, autism and schizophrenia.
Published: 2016

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