Author: "Middeldorp, C.M." - Searchworks@Jio Institute Digital Library Search Results

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166 results on '"Middeldorp, C.M."'

1. Spousal resemblance in psychopathology: A comparison of parents of children with and without psychopathology

Author: Wesseldijk, L.W., Dieleman, G.C., Lindauer, R.J.L., Bartels, M., Willemsen, G., Hudziak, J.J., Boomsma, D.I., and Middeldorp, C.M.
Published: 2016
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2. Assessment of Bidirectional Relationships Between Physical Activity and Depression Among Adults A 2-Sample Mendelian Randomization Study

Author: Choi, K.W., Chen, C.Y., Stein, M.B., Klimentidis, Y.C., Wang, M.J., Koenen, K.C., Smoller, J.W., Wray, N.R., Ripke, S., Mattheisen, M., Trzaskowski, M., Byrne, E.M., Abdellaoui, A., Adams, M.J., Agerbo, E., Air, T., Andlauer, T.F.M., Bacanu, S.A., Baekvad-Hansen, M., Beekman, A.T.F., Bigdeli, T.B., Binder, E.B., Blackwood, D.H.R., Bryois, J., Buttenschon, H.N., Bybjerg-Grauholm, J., Cai, N., Castelao, E., Hvarregaard, J., Christensen, J.H., Clarke, T.K., Coleman, J.R.I., Colodro-Conde, L., Couvy-Duchesne, B., Craddock, N., Crawford, G.E., Davies, G., Deary, I.J., Degenhardt, F., Derks, E.M., Direk, N., Dolan, C.V., Dunn, E.C., Eley, T.C., Escott-Price, V., Kiadeh, F.F.H., Finucane, H.K., Forstner, A.J., Frank, J., Gaspar, H.A., Gill, M., Goes, F.S., Gordon, S.D., Grove, J., Hall, L.S., Hansen, C.S., Hansen, T.F., Herms, S., Hickie, I.B., Hoffmann, P., Homuth, G., Horn, C., Hottenga, J.J., Hougaard, D.M., Ising, M., Jansen, R., Jorgenson, E., Knowles, J.A., Kohane, I.S., Kraft, J., Kretzschmar, W., Krogh, J., Kutalik, Z., Li, Y.H., Lind, P.A., MacIntyre, D.J., MacKinnon, D.F., Maier, R.M., Marchini, J., McGrath, P., McGuffin, P., Medland, S.E., Mehta, D., Middeldorp, C.M., Mihailov, E., Milaneschi, Y., Milani, L., Mondimore, F.M., Montgomery, G.W., Mostafavi, S., Mullins, N., Nauck, M., Ng, B., Nivard, M.G., Nyholt, D.R., O'Reilly, P.F., Oskarsson, H., Owen, M.J., Painter, J.N., Pedersen, C.B., Pedersen, M.G., Peterson, R.E., Pettersson, E., Peyrot, W.J., Pistis, G., Posthuma, D., Quiroz, J.A., Qvist, P., Rice, J.P., Riley, B.P., Rivera, M., Saeed, S., Schoevers, R., Schulte, E.C., Shen, L., Shi, J.X., Shyn, S.I., 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., Auwera, S. van der, Hemert, A.M. van, Viktorin, A., Visscher, P.M., Wang, Y.P., Webb, B.T., Weinsheimer, S.M., Wellmann, J., Willemsen, G., Witt, S.H., Wu, Y., Xi, H.L.S., Yang, J., Zhang, F.T., Arolt, V., Baune, B.T., Berger, K., Boomsma, D.I., Cichon, S., Dannlowski, U., Geus, E.J.C. de, DePaulo, J.R., Domenici, E., Domschke, K., Esko, T., Grabe, H.J., Hamilton, S.P., Hayward, C., Heath, A.C., Kendler, K.S., Kloiber, S., Lewis, G., Li, Q.Q.S., Lucae, S., Madden, P.A.F., Magnusson, P.K., Martin, N.G., McIntosh, A.M., Metspalu, A., Mors, O., Mortensen, P.B., Nordentoft, M., Nothen, M.M., O'Donovan, M.C., Paciga, S.A., Pedersen, N.L., Penninx, B.W.J.H., Perlis, R.H., Porteous, D.J., Potash, J.B., Preisig, M., Rietschel, M., Schaefer, C., Schulze, T.G., Stefansson, K., Tiemeier, H., Uher, R., Volzke, H., Weissman, M.M., Werge, T., Lewis, C.M., Levinson, D.F., Breen, G., Borglum, A.D., Sullivan, P.F., Major Depressive Disorder Working, Epidemiology, Internal Medicine, Child and Adolescent Psychiatry / Psychology, Psychiatry, Biological Psychology, APH - Methodology, Amsterdam Neuroscience - Mood, Anxiety, Psychosis, Stress & Sleep, APH - Health Behaviors & Chronic Diseases, APH - Personalized Medicine, Complex Trait Genetics, Amsterdam Neuroscience - Complex Trait Genetics, APH - Mental Health, and Adult Psychiatry
Subjects: Adult, DISORDER, medicine.medical_specialty, Genome-wide association study, EXERCISE, CAUSALITY, 03 medical and health sciences, 0302 clinical medicine, SDG 3 - Good Health and Well-being, PEOPLE, Internal medicine, Accelerometry, Mendelian randomization, SCHIZOPHRENIA, Humans, Medicine, ANXIETY, Exercise, RISK, Depressive Disorder, Major, business.industry, Case-control study, SEDENTARY BEHAVIOR, Mendelian Randomization Analysis, Odds ratio, ASSOCIATION, Protective Factors, medicine.disease, 030227 psychiatry, Psychiatry and Mental health, Sample size determination, Case-Control Studies, Meta-analysis, Major depressive disorder, Self Report, business, 030217 neurology & neurosurgery, Genome-Wide Association Study
Abstract: Importance: Increasing evidence shows that physical activity is associated with reduced risk for depression, pointing to a potential modifiable target for prevention. However, the causality and direction of this association are not clear; physical activity may protect against depression, and/or depression may result in decreased physical activity.Objective: To examine bidirectional relationships between physical activity and depression using a genetically informed method for assessing potential causal inference.Design, Setting, and Participants: This 2-sample mendelian randomization (MR) used independent top genetic variants associated with 2 physical activity phenotypes-self-reported (n = 377 234) and objective accelerometer-based (n = 91 084)-and with major depressive disorder (MDD) (n = 143 265) as genetic instruments from the largest available, nonoverlapping genome-wide association studies (GWAS). GWAS were previously conducted in diverse observational cohorts, including the UK Biobank (for physical activity) and participating studies in the Psychiatric Genomics Consortium (for MDD) among adults of European ancestry. Mendelian randomization estimates from each genetic instrument were combined using inverse variance weighted meta-analysis, with alternate methods (eg, weighted median, MR Egger, MR-Pleiotropy Residual Sum and Outlier [PRESSO]) and multiple sensitivity analyses to assess horizontal pleiotropy and remove outliers. Data were analyzed from May 10 through July 31, 2018.Main Outcomes and Measures: MDD and physical activity.Results: GWAS summary data were available for a combined sample size of 611 583 adult participants. Mendelian randomization evidence suggested a protective relationship between accelerometer-based activity and MDD (odds ratio [OR], 0.74 for MDD per 1-SD increase in mean acceleration; 95% CI, 0.59-0.92; P = .006). In contrast, there was no statistically significant relationship between MDD and accelerometer-based activity (β = -0.08 in mean acceleration per MDD vs control status; 95% CI, -0.47 to 0.32; P = .70). Furthermore, there was no significant relationship between self-reported activity and MDD (OR, 1.28 for MDD per 1-SD increase in metabolic-equivalent minutes of reported moderate-to-vigorous activity; 95% CI, 0.57-3.37; P = .48), or between MDD and self-reported activity (β = 0.02 per MDD in standardized metabolic-equivalent minutes of reported moderate-to-vigorous activity per MDD vs control status; 95% CI, -0.008 to 0.05; P = .15).Conclusions and Relevance: Using genetic instruments identified from large-scale GWAS, robust evidence supports a protective relationship between objectively assessed-but not self-reported-physical activity and the risk for MDD. Findings point to the importance of objective measurement of physical activity in epidemiologic studies of mental health and support the hypothesis that enhancing physical activity may be an effective prevention strategy for depression.
Published: 2019

3. Repetitive transcranial magnetic stimulation (rTMS) in autism spectrum disorder: protocol for a multicentre randomised controlled clinical trial

Author: Enticott, P.G., Barlow, K., Guastella, A.J, Licari, M.K., Rogasch, N.C., Middeldorp, C.M., Clark, S.R., Vallence, A-M, Boulton, K.A., Hickie, I.B., Whitehouse, A.J.O., Galletly, C., Alvares, G.A., Fujiyama, H., Heussler, H., Craig, J.M., Kirkovski, M., Mills, N.T., Rinehart, N.J., Donaldson, P.H., Ford, T.C., Caeyenberghs, K., Albein-Urios, N., Bekkali, S., Fitzgerald, P.B., Enticott, P.G., Barlow, K., Guastella, A.J, Licari, M.K., Rogasch, N.C., Middeldorp, C.M., Clark, S.R., Vallence, A-M, Boulton, K.A., Hickie, I.B., Whitehouse, A.J.O., Galletly, C., Alvares, G.A., Fujiyama, H., Heussler, H., Craig, J.M., Kirkovski, M., Mills, N.T., Rinehart, N.J., Donaldson, P.H., Ford, T.C., Caeyenberghs, K., Albein-Urios, N., Bekkali, S., and Fitzgerald, P.B.
Abstract: Introduction There are no well-established biomedical treatments for the core symptoms of autism spectrum disorder (ASD). A small number of studies suggest that repetitive transcranial magnetic stimulation (rTMS), a non-invasive brain stimulation technique, may improve clinical and cognitive outcomes in ASD. We describe here the protocol for a funded multicentre randomised controlled clinical trial to investigate whether a course of rTMS to the right temporoparietal junction (rTPJ), which has demonstrated abnormal brain activation in ASD, can improve social communication in adolescents and young adults with ASD. Methods and analysis This study will evaluate the safety and efficacy of a 4-week course of intermittent theta burst stimulation (iTBS, a variant of rTMS) in ASD. Participants meeting criteria for Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition ASD (n=150, aged 14–40 years) will receive 20 sessions of either active iTBS (600 pulses) or sham iTBS (in which a sham coil mimics the sensation of iTBS, but no active stimulation is delivered) to the rTPJ. Participants will undergo a range of clinical, cognitive, epi/genetic, and neurophysiological assessments before and at multiple time points up to 6 months after iTBS. Safety will be assessed via a structured questionnaire and adverse event reporting. The study will be conducted from November 2020 to October 2024. Ethics and dissemination The study was approved by the Human Research Ethics Committee of Monash Health (Melbourne, Australia) under Australia’s National Mutual Acceptance scheme. The trial will be conducted according to Good Clinical Practice, and findings will be written up for scholarly publication. Trial registration number Australian New Zealand Clinical Trials Registry (ACTRN12620000890932).
Published: 2021

4. Overview of CAPICE—Childhood and Adolescence Psychopathology: unravelling the complex etiology by a large Interdisciplinary Collaboration in Europe—an EU Marie Skłodowska-Curie International Training Network

Author: Rajula, H.S.R. (Hema Sekhar Reddy), Manchia, M. (Mriko), Agarwal, K. (Kratika), Akingbuwa, W.A. (Wonuola A.), Allegrini, A.G. (Andrea G.), Diemer, E. (Elizabeth), Doering, S. (Sabrina), Haan, E. (Elis), Jami, E.S. (Eshim S.), Karhunen, V. (Ville), Leone, M. (Marica), Schellhas, L. (Laura), Thompson, A. (Ashley), Berg, S.M. (Stéphanie) van den, Bergen, S.E. (Sarah), Kuja-Halkola, R. (Ralf), Hammerschlag, A.R. (Anke R.), Järvelin, M.R. (Marjo Riitta), Leval, A. (Amy), Lichtenstein, P. (Paul), Lundstrom, S. (Sebastian), Mauri, M. (Matteo), Munafò, M.R. (Marcus), Myers, D. (David), Plomin, R. (Robert), Rimfeld, K. (Kaili), Tiemeier, H.W. (Henning), Ystrom, E. (Eivind), Fanos, V. (Vassilios), Bartels, M. (Meike), Middeldorp, C.M. (Christel M.), Rajula, H.S.R. (Hema Sekhar Reddy), Manchia, M. (Mriko), Agarwal, K. (Kratika), Akingbuwa, W.A. (Wonuola A.), Allegrini, A.G. (Andrea G.), Diemer, E. (Elizabeth), Doering, S. (Sabrina), Haan, E. (Elis), Jami, E.S. (Eshim S.), Karhunen, V. (Ville), Leone, M. (Marica), Schellhas, L. (Laura), Thompson, A. (Ashley), Berg, S.M. (Stéphanie) van den, Bergen, S.E. (Sarah), Kuja-Halkola, R. (Ralf), Hammerschlag, A.R. (Anke R.), Järvelin, M.R. (Marjo Riitta), Leval, A. (Amy), Lichtenstein, P. (Paul), Lundstrom, S. (Sebastian), Mauri, M. (Matteo), Munafò, M.R. (Marcus), Myers, D. (David), Plomin, R. (Robert), Rimfeld, K. (Kaili), Tiemeier, H.W. (Henning), Ystrom, E. (Eivind), Fanos, V. (Vassilios), Bartels, M. (Meike), and Middeldorp, C.M. (Christel M.)
Abstract: The Roadmap for Mental Health and Wellbeing Research in Europe (ROAMER) identified child and adolescent mental illness as a priority area for research. CAPICE (Childhood and Adolescence Psychopathology: unravelling the complex etiology by a large Interdisciplinary Collaboration in Europe) is a European Union (EU) funded training network aimed at investigating the causes of individual differences in common childhood and adolescent psychopathology, especially depression, anxiety, and attention defici
Published: 2021
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5. Association of polygenic score for major depression with response to lithium in patients with bipolar disorder

Author: Amare, Azmeraw T, Baune, Bernhard T, Major Depressive Disorder Working Group of the Psychiatric Genomics Consortium, Abdellaoui, A., Dolan, C.V., Hottenga, Jouke Jan, Mbarek, Hamdi, Middeldorp, C.M., Nivard, Michel G., Willemsen, Gonneke, Boomsma, D.I., de Geus, Eco J.C., Beekman, Aartjan F T, Jansen, Rick, Milaneschi, Yuri, Peyrot, Wouter J, Smit, Johannes H., W J H Penninx, Brenda, Posthuma, Danielle, Amare, Azmeraw T, Baune, Bernhard T, Major Depressive Disorder Working Group of the Psychiatric Genomics Consortium, Abdellaoui, A., Dolan, C.V., Hottenga, Jouke Jan, Mbarek, Hamdi, Middeldorp, C.M., Nivard, Michel G., Willemsen, Gonneke, Boomsma, D.I., de Geus, Eco J.C., Beekman, Aartjan F T, Jansen, Rick, Milaneschi, Yuri, Peyrot, Wouter J, Smit, Johannes H., W J H Penninx, Brenda, and Posthuma, Danielle
Abstract: Lithium is a first-line medication for bipolar disorder (BD), but only one in three patients respond optimally to the drug. Since evidence shows a strong clinical and genetic overlap between depression and bipolar disorder, we investigated whether a polygenic susceptibility to major depression is associated with response to lithium treatment in patients with BD. Weighted polygenic scores (PGSs) were computed for major depression (MD) at different GWAS p value thresholds using genetic data obtained from 2586 bipolar patients who received lithium treatment and took part in the Consortium on Lithium Genetics (ConLi+Gen) study. Summary statistics from genome-wide association studies in MD (135,458 cases and 344,901 controls) from the Psychiatric Genomics Consortium (PGC) were used for PGS weighting. Response to lithium treatment was defined by continuous scores and categorical outcome (responders versus non-responders) using measurements on the Alda scale. Associations between PGSs of MD and lithium treatment response were assessed using a linear and binary logistic regression modeling for the continuous and categorical outcomes, respectively. The analysis was performed for the entire cohort, and for European and Asian sub-samples. The PGSs for MD were significantly associated with lithium treatment response in multi-ethnic, European or Asian populations, at various p value thresholds. Bipolar patients with a low polygenic load for MD were more likely to respond well to lithium, compared to those patients with high polygenic load [lowest vs highest PGS quartiles, multi-ethnic sample: OR = 1.54 (95% CI: 1.18-2.01) and European sample: OR = 1.75 (95% CI: 1.30-2.36)]. While our analysis in the Asian sample found equivalent effect size in the same direction: OR = 1.71 (95% CI: 0.61-4.90), this was not statistically significant. Using PGS decile comparison, we found a similar trend of association between a high genetic loading for MD and lower response to lithium. Our fin
Published: 2021
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6. Prevalence of mental illness among parents of children receiving treatment within child and adolescent mental health services (CAMHS): a scoping review.

Author: Naughton M., Campbell T.C.H., Reupert A., Sutton K., Basu S., Maybery D., Davidson G., Middeldorp C.M., Naughton M., Campbell T.C.H., Reupert A., Sutton K., Basu S., Maybery D., Davidson G., and Middeldorp C.M.
Abstract: People affected by mental illness often come from families with patterns of mental illness that span across generations. Hence, child and adolescent mental health services (CAMHS) likely provide treatment to many children with parents who also experience mental illness. The aim of this scoping review was to: (1) identify the prevalence of mental illness among parents of children in CAMHS; (2) identify and appraise the methodologies that have been implemented to assess the prevalence of parental mental illness in CAMHS; (3) identify additional circumstances associated with families where both parent and child experience mental illness; and (4) present recommendations that have been made for CAMHS practice based on these findings. English language, peer-reviewed studies (2010-2018) that had investigated the mental health of parents in CAMHS were included in the review. Literature searching yielded 18 studies which were found to have utilised diverse methodologies to assess parental mental health. Overall, reported prevalence of parental mental illness ranged from 16 to 79%; however, a single study that was deemed to be comprehensive reported prevalence rates of 36% for mothers and 33% for fathers. Across studies, parent and child mental illness was found to be associated with additional adversities impacting family functioning and wellbeing. For children who receive treatment for mental illness, having a parent who also experiences mental illness is a frequent family circumstance that has implications for their prospects for recovery. Accordingly, the mental health of parents should be an important consideration within the mental health care CAMHS provide to children.Copyright © 2020, Springer-Verlag GmbH Germany, part of Springer Nature.
Published: 2020

7. Genome-wide gene-environment analyses of major depressive disorder and reported lifetime traumatic experiences in UK Biobank

Author: Coleman, Jonathan R I, Breen, Gerome, Major Depressive Disorder Working Group of the Psychiatric Genomics Consortium, Abdellaoui, A., Dolan, C.V., Hottenga, Jouke Jan, Mbarek, Hamdi, Middeldorp, C.M., Nivard, Michel G., Willemsen, Gonneke, Boomsma, D.I., de Geus, Eco J.C., Beekman, A.T.F., Jansen, Rick, Milaneschi, Yuri, Smit, Johannes H., W J H Penninx, Brenda, Posthuma, Danielle, Coleman, Jonathan R I, Breen, Gerome, Major Depressive Disorder Working Group of the Psychiatric Genomics Consortium, Abdellaoui, A., Dolan, C.V., Hottenga, Jouke Jan, Mbarek, Hamdi, Middeldorp, C.M., Nivard, Michel G., Willemsen, Gonneke, Boomsma, D.I., de Geus, Eco J.C., Beekman, A.T.F., Jansen, Rick, Milaneschi, Yuri, Smit, Johannes H., W J H Penninx, Brenda, and Posthuma, Danielle
Abstract: Depression is more frequent among individuals exposed to traumatic events. Both trauma exposure and depression are heritable. However, the relationship between these traits, including the role of genetic risk factors, is complex and poorly understood. When modelling trauma exposure as an environmental influence on depression, both gene-environment correlations and gene-environment interactions have been observed. The UK Biobank concurrently assessed Major Depressive Disorder (MDD) and self-reported lifetime exposure to traumatic events in 126,522 genotyped individuals of European ancestry. We contrasted genetic influences on MDD stratified by reported trauma exposure (final sample size range: 24,094-92,957). The SNP-based heritability of MDD with reported trauma exposure (24%) was greater than MDD without reported trauma exposure (12%). Simulations showed that this is not confounded by the strong, positive genetic correlation observed between MDD and reported trauma exposure. We also observed that the genetic correlation between MDD and waist circumference was only significant in individuals reporting trauma exposure (rg = 0.24, p = 1.8 × 10-7 versus rg = -0.05, p = 0.39 in individuals not reporting trauma exposure, difference p = 2.3 × 10-4). Our results suggest that the genetic contribution to MDD is greater when reported trauma is present, and that a complex relationship exists between reported trauma exposure, body composition, and MDD.
Published: 2020
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8. The Genetics of the Mood Disorder Spectrum: Genome-wide Association Analyses of More Than 185,000 Cases and 439,000 Controls

Author: Coleman, Jonathan R I, Breen, Gerome, Bipolar Disorder Working Group of the Psychiatric Genomics Consortium, Abdellaoui, A., Derks, E.M., Dolan, C.V., Hottenga, Jouke Jan, Jansen, Rick, Mbarek, Hamdi, Middeldorp, C.M., Milaneschi, Yuri, Nivard, Michel G., Peyrot, Wouter J, Willemsen, Gonneke, Boomsma, D.I., de Geus, Eco J.C., W J H Penninx, Brenda, Posthuma, Danielle, Coleman, Jonathan R I, Breen, Gerome, Bipolar Disorder Working Group of the Psychiatric Genomics Consortium, Abdellaoui, A., Derks, E.M., Dolan, C.V., Hottenga, Jouke Jan, Jansen, Rick, Mbarek, Hamdi, Middeldorp, C.M., Milaneschi, Yuri, Nivard, Michel G., Peyrot, Wouter J, Willemsen, Gonneke, Boomsma, D.I., de Geus, Eco J.C., W J H Penninx, Brenda, and Posthuma, Danielle
Abstract: BACKGROUND: Mood disorders (including major depressive disorder and bipolar disorder) affect 10% to 20% of the population. They range from brief, mild episodes to severe, incapacitating conditions that markedly impact lives. Multiple approaches have shown considerable sharing of risk factors across mood disorders despite their diagnostic distinction.METHODS: To clarify the shared molecular genetic basis of major depressive disorder and bipolar disorder and to highlight disorder-specific associations, we meta-analyzed data from the latest Psychiatric Genomics Consortium genome-wide association studies of major depression (including data from 23andMe) and bipolar disorder, and an additional major depressive disorder cohort from UK Biobank (total: 185,285 cases, 439,741 controls; nonoverlapping N = 609,424).RESULTS: Seventy-three loci reached genome-wide significance in the meta-analysis, including 15 that are novel for mood disorders. More loci from the Psychiatric Genomics Consortium analysis of major depression than from that for bipolar disorder reached genome-wide significance. Genetic correlations revealed that type 2 bipolar disorder correlates strongly with recurrent and single-episode major depressive disorder. Systems biology analyses highlight both similarities and differences between the mood disorders, particularly in the mouse brain cell types implicated by the expression patterns of associated genes. The mood disorders also differ in their genetic correlation with educational attainment-the relationship is positive in bipolar disorder but negative in major depressive disorder.CONCLUSIONS: The mood disorders share several genetic associations, and genetic studies of major depressive disorder and bipolar disorder can be combined effectively to enable the discovery of variants not identified by studying either disorder alone. However, we demonstrate several differences between these disorders. Analyzing subtypes of major depressive d
Published: 2020
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9. Identification of common genetic risk variants for autism spectrum disorder

Author: Grove, J., Ripke, S., Als, T.D., Mattheisen, M., Walters, R.K., Won, H., Pallesen, J., Agerbo, E., Andreassen, O.A., Anney, R., Awashti, S., Belliveau, R., Bettella, F., Buxbaum, J.D., Bybjerg-Grauholm, J., Baekvad-Hansen, M., Cerrato, F., Chambert, K., Christensen, J.H., Churchhouse, C., Dellenvall, K., Demontis, D., Rubeis, S. de, Devlin, B., Djurovic, S., Dumont, A.L., Goldstein, J.I., Hansen, C.S., Hauberg, M.E., Hollegaard, M.V., Hope, S., Howrigan, D.P., Huang, H., Hultman, C.M., Klei, L., Maller, J., Martin, J., Martin, A.R., Moran, J.L., Nyegaard, M., Naeland, T., Palmer, D.S., Palotie, A., Pedersen, C.B., Pedersen, M.G., dPoterba, T., Poulsen, J.B., St Pourcain, B., Qvist, P., Rehnstrom, K., Reichenberg, A., Reichert, J., Robinson, E.B., Roeder, K., Roussos, P., Saemundsen, E., Sandin, S., Satterstrom, F.K., Smith, G.D., Stefansson, H., Steinberg, S., Stevens, C.R., Sullivan, P.F., Turley, P., Walters, G.B., Xu, X.Y., Stefansson, K., Geschwind, D.H., Nordentoft, M., Hougaard, D.M., Werge, T., Mors, O., Mortensen, P.B., Neale, B.M., Daly, M.J., Borglum, A.D., Wray, N.R., Trzaskowski, M., Byrne, E.M., Abdellaoui, A., Adams, M.J., Air, T.M., Andlauer, T.F.M., Bacanu, S.A., Beekman, A.T.F., Bigdeli, T.B., Binder, E.B., Blackwood, D.H.R., Bryois, J., Buttenschon, H.N., Cai, N., Castelao, E., Clarke, T.K., Coleman, J.R.I., Colodro-Conde, L., Couvy-Duchesne, B., Craddock, N., Crawford, G.E., Davies, G., Deary, I.J., Degenhardt, F., Derks, E.M., Direk, N., Dolan, C.V., Dunn, E.C., Eley, T.C., Escott-Price, V., Kiadeh, F.F.H., Finucane, H.K., Forstner, A.J., Frank, J., Gaspar, H.A., Gill, M., Goes, F.S., Gordon, S.D., Hall, L.S., Hansen, T.F., Herms, S., Hickie, I.B., Hoffmann, P., Homuth, G., Horn, C., Hottenga, J.J., Ising, M., Jansen, R., Jorgenson, E., Knowles, J.A., Kohane, I.S., Kraft, J., Kretzschmar, W.W., Krogh, J., Kutalik, Z., Li, Y., Lind, P.A., MacIntyre, D.J., MacKinnon, D.F., Maier, R.M., Maier, W., Marchini, J., Mbarek, H., McGrath, P., McGuffin, P., Medland, S.E., Mehta, D., Middeldorp, C.M., Mihailov, E., Milaneschi, Y., Milani, L., Mondimore, F.M., Montgomery, G.W., Mostafavi, S., Mullins, N., Nauck, M., Ng, B., Nivard, M.G., Nyholt, D.R., O'Reilly, P.F., Oskarsson, H., Owen, M.J., Painter, J.N., Peterson, R.E., Pettersson, E., Peyrot, W.J., Pistis, G., Posthuma, D., Quiroz, J.A., Rice, J.P., Riley, B.P., Rivera, M., Mirza, S.S., Schoevers, R., Schulte, E.C., Shen, L., Shi, J.X., Shyn, S.I., Sigurdsson, E., Sinnamon, G.C.B., Smit, J.H., Smith, D.J., 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., Auwera, S. van der, Hemert, A.M. van, Viktorin, A., Visscher, P.M., Wang, Y.P., Webb, B.T., Weinsheimer, S.M., Wellmann, J., Willemsen, G., Witt, S.H., Wu, Y., Xi, H.S., Yang, J., Zhang, F.T., Arolt, V., Baune, B.T., Berger, K., Boomsma, D.I., Cichon, S., Dannlowski, U., Geus, E.J.C. de, DePaulo, J.R., Domenici, E., Domschke, K., Esko, T., Grabe, H.J., Hamilton, S.P., Hayward, C., Heath, A.C., Kendler, K.S., Kloiber, S., Lewis, G., Li, Q.S., Lucae, S., Madden, P.A.F., Magnusson, P.K., Martin, N.G., McIntosh, A.M., Metspalu, A., Muller-Myhsok, B., Nothen, M.M., O'Donovan, M.C., Paciga, S.A., Pedersen, N.L., Penninx, B.W.J.H., Perlis, R.H., Porteous, D.J., Potash, J.B., Preisig, M., Rietschel, M., Schaefer, C., Schulze, T.G., Smoller, J.W., Tiemeier, H., Uher, R., Volzke, H., Weissman, M.M., Lewis, C.M., Levinson, D.F., Breen, G., Agee, M., Alipanahi, B., Auton, A., Bell, R.K., Bryc, K., Elson, S.L., Fontanillas, P., Furlotte, N.A., Hromatka, B.S., Huber, K.E., Kleinman, A., Litterman, N.K., McIntyre, M.H., Mountain, J.L., Noblin, E.S., Northover, C.A.M., Pitts, S.J., Sathirapongsasuti, J.F., Sazonova, O.V., Shelton, J.F., Shringarpure, S., Tung, J.Y., Vacic, V., Wilson, C.H., Psychiat Genomics Consortium, BUPGEN, 23andMe Re, Biological Psychology, APH - Methodology, APH - Health Behaviors & Chronic Diseases, APH - Personalized Medicine, APH - Mental Health, Complex Trait Genetics, Amsterdam Neuroscience - Complex Trait Genetics, Adult Psychiatry, Psychiatry, Human genetics, Amsterdam Reproduction & Development (AR&D), VU University medical center, APH - Digital Health, Aarno Palotie / Principal Investigator, Institute for Molecular Medicine Finland, Genomics of Neurological and Neuropsychiatric Disorders, Interdisciplinary Centre Psychopathology and Emotion regulation (ICPE), Perceptual and Cognitive Neuroscience (PCN), Clinical Cognitive Neuropsychiatry Research Program (CCNP), Autism Spectrum Disorders Working Group of The Psychiatric Genomics Consortium, BUPGEN, Major Depressive Disorder Working Group of the Psychiatric Genomics Consortium, Me Research Team, Epidemiology, and Child and Adolescent Psychiatry / Psychology
Subjects: Male, Netherlands Twin Register (NTR), Multifactorial Inheritance, Autism Spectrum Disorder, Denmark, LD SCORE REGRESSION, LOCI, Genome-wide association study, DE-NOVO, 0302 clinical medicine, Polymorphism (computer science), Risk Factors, SYNAPTIC PLASTICITY, CELL-SURFACE, Child, Genetics, 0303 health sciences, HERITABILITY, Genetic Predisposition to Disease/genetics, 1184 Genetics, developmental biology, physiology, Polymorphism, Single Nucleotide/genetics, Phenotype, 3. Good health, Schizophrenia, Autism spectrum disorder, Child, Preschool, Genome-Wide Association Study/methods, Female, SIMONS SIMPLEX COLLECTION, Adolescent, Biology, NEURITE OUTGROWTH, Polymorphism, Single Nucleotide, behavioral disciplines and activities, Article, 03 medical and health sciences, mental disorders, medicine, Humans, Genetic Predisposition to Disease, GENOME-WIDE ASSOCIATION, SDG 2 - Zero Hunger, Multifactorial Inheritance/genetics, METAANALYSIS, 030304 developmental biology, Case-control study, Heritability, medicine.disease, Autism Spectrum Disorder/genetics, Case-Control Studies, 3111 Biomedicine, 030217 neurology & neurosurgery, Genome-Wide Association Study
Abstract: Published in final edited form as: Nat Genet. 2019 March ; 51(3): 431–444. doi:10.1038/s41588-019-0344-8., Autism spectrum disorder (ASD) is a highly heritable and heterogeneous group of neurodevelopmental phenotypes diagnosed in more than 1% of children. Common genetic variants contribute substantially to ASD susceptibility, but to date no individual variants have been robustly associated with ASD. With a marked sample size increase from a unique Danish population resource, we report a genome-wide association meta-analysis of 18,381 ASD cases and 27,969 controls that identifies five genome-wide significant loci. Leveraging GWAS results from three phenotypes with significantly overlapping genetic architectures (schizophrenia, major depression, and educational attainment), seven additional loci shared with other traits are identified at equally strict significance levels. Dissecting the polygenic architecture, we find both quantitative and qualitative polygenic heterogeneity across ASD subtypes. These results highlight biological insights, particularly relating to neuronal function and corticogenesis and establish that GWAS performed at scale will be much more productive in the near term in ASD., The iPSYCH project is funded by the Lundbeck Foundation (grant numbers R102-A9118 and R155-2014-1724) and the universities and university hospitals of Aarhus and Copenhagen. Genotyping of iPSYCH and PGC samples was supported by grants from the Lundbeck Foundation, the Stanley Foundation, the Simons Foundation (SFARI 311789 to MJD), and NIMH (5U01MH094432–02 to MJD). The Danish National Biobank resource was supported by the Novo Nordisk Foundation. Data handling and analysis on the GenomeDK HPC facility was supported by NIMH (1U01MH109514–01 to M O’Donovan and ADB). High-performance computer capacity for handling and statistical analysis of iPSYCH data on the GenomeDK HPC facility was provided by the Centre for Integrative Sequencing, iSEQ, Aarhus University, Denmark (grant to ADB). Drs. S De Rubeis and JD Buxbaum were supported by NIH grants MH097849 (to JDB) and MH111661 (to JDB), and by the Seaver Foundation (to SDR and JDB). Dr J Martin was supported by the Wellcome Trust (grant no: 106047). O. Andreassen received funding from Research Council of Norway (#213694, #223273, #248980, #248778), Stiftelsen KG Jebsen and South-East Norway Health Authority. We thank the research participants and employees of 23andMe for making this work possible.
Published: 2019

10. Genome-wide by environment interaction studies of depressive symptoms and psychosocial stress in UK Biobank and Generation Scotland

Author: Arnau-Soler, A., Macdonald-Dunlop, E., Adams, M.J., Clarke, T.K., MacIntyre, D.J., Milburn, K., Navrady, L., Hayward, C., McIntosh, A.M., Thomson, P.A., Wray, N.R., Ripke, S., Mattheisen, M., Trzaskowski, M., Byrne, E.M., Abdellaoui, A., Agerbo, E., Air, T.M., Andlauer, T.F.M., Bacanu, S.A., Baekvad-Hansen, M., Beekman, A.T.F., Bigdeli, T.B., Binder, E.B., Blackwood, D.H.R., Bryois, J., Buttenscon, H.N., Bybjerg-Grauholm, J., Cai, N., Castelao, E., Christensen, J.H., Coleman, J.R.I., Colodro-Conde, L., Couvy-Duchesne, B., Craddock, N., Rawford, G.E.C., Davies, G., Deary, I.J., Degenhardt, F., Derks, E.M., Direk, N., Dolan, C.V., Dunn, E.C., Eley, T.C., Escott-Price, V., Kiadeh, F.F.H., Finucane, H.K., Foo, J.C., Forstner, A.J., Frank, J., Gaspar, H.A., Gill, M., Goes, F.S., Gordon, S.D., Grove, J., Hall, L.S., Hansen, C.S., Hansen, T.F., Herms, S., Hickie, I.B., Hoffmann, P., Homuth, G., Horn, C., Hottenga, J.J., Hougaard, D.M., Ising, M., Jansen, R., Jones, I., Jones, L.A., Jorgenson, E., Knowles, J.A., Kohane, I.S., Kraft, J., Kretzschmar, W.W., Krogh, J., Kutalik, Z., Li, Y.H., Lind, P.A., Macintyre, D.J., MacKinnon, D.F., Maier, R.M., Maier, W., Marchini, J., Mbarek, H., McGrath, P., McGuffin, P., Medland, S.E., Mehta, D., Middeldorp, C.M., Mihailov, E., Milaneschi, Y., Milani, L., Mondimore, F.M., Montgomery, G.W., Mostafavi, S., Mullins, N., Nauck, M., Ng, B., Nivard, M.G., Nyholt, D.R., O'Reilly, P.F., Oskarsson, H., Owen, M.J., Painter, J.N., Pedersen, C.B., Pedersen, M.G., Peterson, R.E., Pettersson, E., Peyrot, W.J., Pistis, G., Posthuma, D., Quiroz, J.A., Qvist, P., Rice, J.P., Riley, B.P., Rivera, M., Mirza, S.S., Schoevers, R., Schulte, E.C., Shen, L., Shi, J.X., Shyn, S.I., 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., Thorgeirsson, T.E., Traylor, M., Treutlein, J., Trubetskoy, V., Uitterlinden, A.G., Umbricht, D., Auwera, S. van der, Hemert, A.M. van, Viktorin, A., Visscher, P.M., Wang, Y.P., Webb, B.T., Weinsheimer, S.M., Wellmann, J., Willemsen, G., Witt, S.H., Wu, Y., Xi, H.L.S., Yang, J., Zhang, F.T., Arolt, V., Baune, B.T., Berger, K., Boomsma, D.I., Cichon, S., Dannlowski, U., Geus, E.J.C. de, DePaulo, J.R., Domenici, E., Domschke, K., Esko, T., Grabe, H.J., Hamilton, S.P., Heath, A.C., Kendler, K.S., Kloiber, S., Lewis, G., Li, Q.Q.S., Lucae, S., Madden, P.A.F., Magnusson, P.K., Martin, N.G., Metspalu, A., Mors, O., Mortensen, P.B., Muller-Myhsok, B., Nordentoft, M., Nothen, M.M., O'Donovan, M.C., Paciga, S.A., Pedersen, N.L., Penninx, B.W.J.H., Perlis, R.H., Porteous, D.J., Potash, J.B., Preisig, M., Rietschel, M., Schaefer, C., Schulze, T.G., Smoller, J.W., Stefansson, K., Tiemeier, H., Uher, R., Volzke, H., Weissman, M.M., Werge, T., Lewis, C.M., Levinson, D.F., Breen, G., Borglum, A.S.D., Sullivan, P.F., Generation Scotland, and Psychiat Genomics Consortium
Abstract: Stress is associated with poorer physical and mental health. To improve our understanding of this link, we performed genome-wide association studies (GWAS) of depressive symptoms and genome-wide by environment interaction studies (GWEIS) of depressive symptoms and stressful life events (SLE) in two UK population-based cohorts (Generation Scotland and UK Biobank). No SNP was individually significant in either GWAS, but gene-based tests identified six genes associated with depressive symptoms in UK Biobank (DCC, ACSS3, DRD2, STAG1, FOXP2 and KYNU; p < 2.77 x 10(-6)). Two SNPs with genome-wide significant GxE effects were identified by GWEIS in Generation Scotland: rs12789145 (53-kb downstream PIWIL4; p = 4.95 x 10(-9); total SLE) and rs17070072 (intronic to ZCCHC2; p = 1.46 x 10(-8); dependent SLE). A third locus upstream CYLC2 (rs12000047 and rs12005200, p < 2.00 x 10(-8); dependent SLE) when the joint effect of the SNP main and GxE effects was considered. GWEIS gene-based tests identified: MTNR1B with GxE effect with dependent SLE in Generation Scotland; and PHF2 with the joint effect in UK Biobank (p < 2.77 x 10(-6)). Polygenic risk scores (PRSs) analyses incorporating GxE effects improved the prediction of depressive symptom scores, when using weights derived from either the UK Biobank GWAS of depressive symptoms (p = 0.01) or the PGC GWAS of major depressive disorder (p = 5.91 x 10(-3)). Using an independent sample, PRS derived using GWEIS GxE effects provided evidence of shared aetiologies between depressive symptoms and schizotypal personality, heart disease and COPD. Further such studies are required and may result in improved treatments for depression and other stress-related conditions.
Published: 2019

11. Evidence for increased genetic risk load for major depression in patients assigned to electroconvulsive therapy

Author: Foo, J.C., Streit, F., Frank, J., Witt, S.H., Treutlein, J., Baune, B.T., Moebus, S., Jockel, K.H., Forstner, A.J., Nothen, M.M., Rietschel, M., Sartorius, A., Kranaster, L., Wray, N.R., Ripke, S., Mattheisen, M., Trzaskowski, M., Byrne, E.M., Abdellaoui, A., Adams, M.J., Agerbo, E., Air, T.M., Andlauer, T.F.M., Bacanu, S.A., Baekvad-Hansen, M., Beekman, A.T.F., Bigdeli, T.B., Binder, E.B., Blackwood, D.H.R., Bryois, J., Buttenschon, H.N., Bybjerg-Grauholm, J., Cai, N., Castelao, E., Christensen, J.H., Clarke, T.K., Coleman, J.R.I., Colodro-Conde, L., Couvy-Duchesne, B., Craddock, N., Crawford, G.E., Davies, G., Deary, I.J., Degenhardt, F., Derks, E.M., Direk, N., Dolan, C.V., Dunn, E.C., Eley, T.C., Escott-Price, V., Kiadeh, F.F.H., Finucane, H.K., Gaspar, H.A., Gill, M., Goes, F.S., Gordon, S.D., Grove, J., Hall, L.S., Hansen, C.S., Hansen, T.F., Herms, S., Hickie, I.B., Hoffmann, P., Homuth, G., Horn, C., Hottenga, J.J., Hougaard, D.M., Ising, M., Jansen, R., Jones, I., Jones, L.A., Jorgenson, E., Knowles, J.A., Kohane, I.S., Kraft, J., Kretzschmar, W.W., Krogh, J., Kutalik, Z., Li, Y.H., Lind, P.A., MacIntyre, D.J., MacKinnon, D.F., Maier, R.M., Maier, W., Marchini, J., Mbarek, H., McGrath, P., McGuffin, P., Medland, S.E., Mehta, D., Middeldorp, C.M., Mihailov, E., Milaneschi, Y., Milani, L., Mondimore, F.M., Montgomery, G.W., Mostafavi, S., Mullins, N., Nauck, M., Ng, B., Nivard, M.G., Nyholt, D.R., O'Reilly, P.F., Oskarsson, H., Owen, M.J., Painter, J.N., Pedersen, C.B., Pedersen, M.G., Peterson, R.E., Pettersson, E., Peyrot, W.J., Pistis, G., Posthuma, D., Quiroz, J.A., Qvist, P., Rice, J.P., Riley, B.P., Rivera, M., Mirza, S.S., Schoevers, R., Schulte, E.C., Shen, L., Shi, J.X., Shyn, S.I., Sigurdsson, E., Sinnamon, G.C.B., Smit, J.H., Smith, D.J., Stefansson, H., Steinberg, S., Strohmaier, J., Tansey, K.E., Teismann, H., Teumer, A., Thompson, W., Thomson, P.A., Thorgeirsson, T.E., Traylor, M., Trubetskoy, V., Uitterlinden, A.G., Umbricht, D., Auwera, S. van der, Hemert, A.M. van, Viktorin, A., Visscher, P.M., Wang, Y., Webb, B.T., Weinsheimer, S.M., Wellmann, J., Willemsen, G., Wu, Y., Xi, H.L.S., Yang, J., Zhang, F.T., Arolt, V., Berger, K., Boomsma, D.I., Cichon, S., Dannlowski, U., Geus, E.J.C. de, DePaulo, J.R., Domenici, E., Domschke, K., Esko, T., Grabe, H.J., Hamilton, S.P., Hayward, C., Heath, A.C., Kendler, K.S., Kloiber, S., Lewis, G., Li, Q.Q.S., Lucae, S., Madden, P.A.F., Magnusson, P.K., Martin, N.G., McIntosh, A.M., Metspalu, A., Mors, O., Mortensen, P.B., Muller-Myhsok, B., Nordentoft, M., O'Donovan, M.C., Paciga, S.A., Pedersen, N.L., Penninx, B.W.J.H., Perlis, R.H., Porteous, D.J., Potash, J.B., Preisig, M., Schaefer, C., Schulze, T.G., Smoller, J.W., Stefansson, K., Tiemeier, H., Uher, R., Voelzke, H., Weissman, M.M., Werge, T., Lewis, C.M., Levinson, D.F., Breen, G., Borglum, A.D., Sullivan, P.F., and Major Depressive Disorder Worki
Subjects: treatment-resistance, polygenic risk scores, depression, major depression, electroconvulsive therapy
Abstract: Electroconvulsive therapy (ECT) is the treatment of choice for severe and treatment-resistantdepression; disorder severity and unfavorable treatment outcomes are shown to be influencedby an increased genetic burden for major depression (MD). Here, we tested whether ECT assign-ment and response/nonresponse are associated with an increased genetic burden for majordepression (MD) using polygenic risk score (PRS), which summarize the contribution of disease-related common risk variants. Fifty-one psychiatric inpatients suffering from a major depressiveepisode underwent ECT. MD-PRS were calculated for these inpatients and a separatepopulation-based sample (n = 3,547 healthy; n = 426 self-reported depression) based on sum-mary statistics from the Psychiatric Genomics Consortium MDD-working group (Cases:n = 59,851; Controls: n = 113,154). MD-PRS explained a significant proportion of disease statusbetween ECT patients and healthy controls (p = .022, R2 = 1.173%); patients showed higherMD-PRS. MD-PRS in population-based depression self-reporters were intermediate betweenECT patients and controls (n.s.). Significant associations between MD-PRS and ECT response(50% reduction in Hamilton depression rating scale scores) were not observed. Our findings indi-cate that ECT cohorts show an increased genetic burden for MD and are consistent with thehypothesis that treatment-resistant MD patients represent a subgroup with an increased geneticrisk for MD. Larger samples are needed to better substantiate these findings.
Published: 2019

12. Association of Whole-Genome and NETRIN1 Signaling Pathway-Derived Polygenic Risk Scores for Major Depressive Disorder and White Matter Microstructure in the UK Biobank

Author: Barbu, Miruna C, McIntosh, Andrew M, Whalley, Heather C, Abdellaoui, A., Dolan, C.V., Hottenga, J.J., Mbarek, H., Middeldorp, C.M., Nivard, M.G., Posthuma, Danielle, Willemsen, Gonneke, Boomsma, D.I., de Geus, Eco JC, W J H Penninx, Brenda, Jansen, Rick, Biological Psychology, APH - Personalized Medicine, APH - Health Behaviors & Chronic Diseases, APH - Mental Health, Complex Trait Genetics, APH - Methodology, and Amsterdam Neuroscience - Mood, Anxiety, Psychosis, Stress & Sleep
Subjects: Netherlands Twin Register (NTR), SDG 3 - Good Health and Well-being
Abstract: BACKGROUND: Major depressive disorder is a clinically heterogeneous psychiatric disorder with a polygenic architecture. Genome-wide association studies have identified a number of risk-associated variants across the genome and have reported growing evidence of NETRIN1 pathway involvement. Stratifying disease risk by genetic variation within the NETRIN1 pathway may provide important routes for identification of disease mechanisms by focusing on a specific process, excluding heterogeneous risk-associated variation in other pathways. Here, we sought to investigate whether major depressive disorder polygenic risk scores derived from the NETRIN1 signaling pathway (NETRIN1-PRSs) and the whole genome, excluding NETRIN1 pathway genes (genomic-PRSs), were associated with white matter microstructure.METHODS: We used two diffusion tensor imaging measures, fractional anisotropy (FA) and mean diffusivity (MD), in the most up-to-date UK Biobank neuroimaging data release (FA: n = 6401; MD: n = 6390).RESULTS: We found significantly lower FA in the superior longitudinal fasciculus (β = -.035, pcorrected = .029) and significantly higher MD in a global measure of thalamic radiations (β = .029, pcorrected = .021), as well as higher MD in the superior (β = .034, pcorrected = .039) and inferior (β = .029, pcorrected = .043) longitudinal fasciculus and in the anterior (β = .025, pcorrected = .046) and superior (β = .027, pcorrected = .043) thalamic radiation associated with NETRIN1-PRS. Genomic-PRS was also associated with lower FA and higher MD in several tracts.CONCLUSIONS: Our findings indicate that variation in the NETRIN1 signaling pathway may confer risk for major depressive disorder through effects on a number of white matter tracts.
Published: 2019

13. Bipolar multiplex families have an increased burden of common risk variants for psychiatric disorders

Author: Andlauer, T.F.M. (Till F. M.), Guzman-Parra, J. (Jose), Streit, F. (Fabian), Strohmaier, J. (Jana), González, M.J. (Maria José), Gil Flores, S. (Susana), Cabaleiro Fabeiro, F.J. (Francisco J.), del Río Noriega, F. (Francisco), Perez, F.P. (Fermin Perez), Haro González, J. (Jesus), Orozco Diaz, G. (Guillermo), Diego, Y. (Yolanda) de, Moreno-Küstner, B. (Berta), Auburger, G. (Georg), Degenhardt, F. (Franziska), Heilmann-Heimbach, S. (Stefanie), Herms, S. (Stefan), Hoffmann, P. (Per), Frank, J. (Josef), Foo, J.C. (Jerome C.), Treutlein, J. (Jens), Witt, S.H. (Stephanie H), Cichon, S. (Sven), Kogevinas, M. (Manolis), Stahl, E.A. (Eli A), Breen, G. (Gerome), Forstner, A.J. (Andreas J), McQuillin, A. (Andrew), Ripke, S. (Stephan), Trubetskoy, V. (Vassily), Mattheisen, M. (Manuel), Wang, Y. (Yunpeng), Coleman, J.R.I. (Jonathan R I), Gaspar, H.A. (Héléna A), Leeuw, C. (Christiaan) de, Steinberg, S. (Stacy), Pavlides, J.M.W. (Jennifer M Whitehead), Trzaskowski, M. (Maciej), Pers, T.H. (Tune H), Holmans, P.A. (Peter A.), Abbott, L. (Liam), Agerbo, E. (Esben), Akil, H. (Huda), Albani, D. (Diego), Alliey-Rodriguez, N. (Ney), Als, T.D. (Thomas D), Anjorin, A. (Adebayo), Antilla, V. (Verneri), Awasthi, S. (Swapnil), Badner, J.A. (Judith A), Bækvad-Hansen, M. (Marie), Barchas, J.D. (Jack D), Bass, N. (Nicholas), Bauer, M. (Michael), Belliveau, R.A. (Richard A.), Bergen, S.E. (Sarah), Pedersen, C.B. (C.), Bøen, E. (Erlend), Boks, M.P.M. (Marco), Boocock, J. (James), Budde, M. (Monika), Bunney, W.E. (William E), Burmeister, M., Bybjerg-Grauholm, J. (Jonas), Byerley, W.F. (William F), Casas, M. (Miquel), Cerrato, F. (Felecia), Cervantes, P. (Pablo), Chambert, K. (Kimberly), Charney, A.W. (Alexander W), Chen, D. (Danfeng), Churchhouse, C. (Claire), Clarke, T.-K. (Toni-Kim), Coryell, W.H. (William H), Craig, D.W. (David W), Cruceanu, C. (Cristiana), Czerski, P.M., Dale, A.M. (Anders), de Jong, S. (Simone), Del-Favero, J. (Jurgen), DePaulo, J.R. (J Raymond), Djurovic, S. (Srdjan), Dobbyn, A.L. (Amanda L), Dumont, A. (Ashley), Elvsåshagen, T. (Torbjørn), Escott-Price, V. (Valentina), Fan, C.C. (Chun Chieh), Fischer, S.B. (Sascha B), Flickinger, M. (Matthew), Foroud, T.M. (Tatiana M), Forty, L. (Liz), Fraser, C. (Christine), Luben, R.N. (Robert), Frisén, L. (Louise), Gade, K. (Katrin), Gage, D. (Diane), Garnham, J. (Julie), Giambartolomei, C. (Claudia), Pedersen, M.G. (Marianne Giørtz), Goldstein, J.I. (Jacqueline), Gordon, S.D. (Scott D), Gordon-Smith, K. (Katherine), Green, E.K. (Elaine K), Green, M.J. (Melissa J), Greenwood, T.A. (Tiffany A), Grove, J. (Jakob), Guan, W. (Weihua), Parra, J.G. (José Guzman), Hamshere, M.L. (Marian), Hautzinger, M. (Martin), Heilbronner, U. (Urs), Hipolito, M. (Maria), Holland, D. (Dominic), Huckins, L. (Laura), Jamain, S. (Stéphane), Johnson, J.S. (Jessica S), Juréus, A. (Anders), Kandaswamy, R. (Radhika), Karlsson, R. (Robert), Kennedy, J.L. (James L), Kittel-Schneider, S. (Sarah), Knowles, J.A. (James A), Koller, A.C. (Anna C), Kupka, R.W. (Ralph ), Lavebratt, C. (Catharina), Lawrence, J. (Jacob), Lawson, W.B. (William B), Leber, I. (Isabelle), Lee, P.H. (Phil H), Levy, S.E. (Shawn E), Li, J.Z. (Jun Z), Liu, C. (Chunyu), Lucae, S. (Susanne), Maaser, A. (Anna), Macintyre, D.J. (Donald J), Mahon, P.B. (Pamela B), Maier, W. (Wolfgang), Martinsson, L. (Lina), McCarroll, S.A. (Steve), McGuffin, P. (Peter), Mcinnis, M.G. (Melvin G), McKay, J.D. (James D), Medeiros, H. (Helena), Medland, S.E. (Sarah E), Meng, F. (Fan), Milani, L. (Lili), Montgomery, G.W. (Grant W), Morris, D.W. (Derek W), Mühleisen, T.W. (Thomas W), Mullins, N. (Niamh), Nguyen, H. (Hoang), Nievergelt, C.M. (Caroline M), Adolfsson, A.N. (Annelie Nordin), Nwulia, E.A. (Evaristus A), O’Donovan, C. (Claire), Loohuis, L.M.O. (Loes M Olde), Ori, A.P.S. (Anil P S), Oruc, L. (Lilijana), Ösby, U. (Urban), Perlis, R.H. (Roy H), Perry, A. (Amy), Pfennig, A. (Andrea), Potash, J.B. (James B), Purcell, S.M. (Shaun M), Regeer, E.J. (Eline Janet), Reif, A. (Andreas), Reinbold, C.S. (Céline S), Rice, J.P. (John), Richards, A. (Alex), Rivas, F. (Fabio), Rivera, M. (Margarita), Roussos, A. (Alexandra), Ruderfer, D. (Douglas), Ryu, J. (Julie), Sánchez-Mora, C. (Cristina), Schatzberg, A.F. (Alan F), Scheftner, W.A. (William A), Schork, N.J. (Nicholas), Weickert, C.S. (Cynthia Shannon), Shehktman, T. (Tatyana), Shilling, P.D. (Paul D), Sigurdsson, E. (Engilbert), Slaney, C. (Claire), Smeland, O.B. (Olav B), Sobell, J.L. (Janet L), Hansen, C.S. (Christine Søholm), Spijker, A.T. (Anne T), Clair, D.S., Steffens, M. (Michael), Strauss, J.S. (John S), Szelinger, S. (Szabolcs), Thompson, R.C. (Robert C), EThorgeirsson, T. (Thorgeir), Vedde, H. (Helmut), Wang, W. (Weiqing), Watson, S.J. (Stanley J), Weickert, T.W. (Thomas W), Xi, S. (Simon), Xu, W. (Wei), Young, A.H. (Allan H), Zandi, P.P. (Peter P), Zhang, P. (Ping), Zöllner, S. (Sebastian), Adolfsson, R., Agartz, I. (Ingrid), Alda, M. (Martin), Backlund, L. (Lena), Baune, B.T. (Bernhard T), Bellivier, F. (Frank), Berrettini, W. (Wade), Biernacka, J.M. (Joanna M), Blackwood, D.H.R. (Douglas), Boehnke, M. (Michael), Børglum, A.D. (Anders D), Corvin, A. (Aiden), Craddock, N. (Nicholas), Daly, M.J. (Mark), Dannlowski, U. (Udo), Esko, T. (Tõnu), Etain, B. (Bruno), Frye, M.A. (Mark A), Fullerton, J.M. (Janice M), Gershon, E.S. (Elliot S), Gill, M. (Michael), Goes, F. (Fernando), Grigoroiu-Serbanescu, M. (Maria), Hauser, J. (J.), Hougaard, D.M. (David M), Hultman, C.M. (Christina), Jones, I. (Ian), Jones, L.A. (Lisa A), Kahn, R. (René), Kirov, G. (George), Landén, M. (Mikael), Leboyer, M. (Marion), Lewis, C.M. (Cathryn), Li, Q.S. (Qingqin S), Lissowska, J. (Jolanta), Martin, N.G. (Nicholas), Mayoral, F. (Fermin), McElroy, S.L. (Susan L), McIntosh, A.M. (Andrew), Mcmahon, F.J. (Francis J), Melle, I. (Ingrid), Metspalu, A. (Andres), Mitchell, P.B. (Philip B), Morken, G. (Gunnar), Mors, O. (Ole), Mortensen, P.B. (Preben Bo), Müller-Myhsok, B. (Bertram), Myers, R.H. (Richard), Neale, B.M. (Benjamin), Nimgaonkar, V. (Vishwajit), Nordentoft, M. (Merete), Nöthen, M.M. (Markus), O’Donovan, M.C. (Michael C), Oedegaard, K.J. (Ketil J), Owen, M.J. (Michael J), Paciga, S.A. (Sara A), Pato, C. (Carlos), Posthuma, D. (Danielle), Ramos-Quiroga, J.A. (Josep Antoni), Ribasés, M. (Marta), Rietschel, M. (Marcella), Rouleau, G.A. (Guy A), Schalling, M. (Martin), Schofield, P.R. (Peter R), Schulze, T.G. (Thomas G), Serretti, A. (Alessandro), Smoller, J.W., Stefansson, H. (Hreinn), Zwart, J-A. (John-Anker), Stordal, E. (Eystein), Sullivan, P.F. (Patrick F), Turecki, G. (Gustavo), Vaaler, A.E. (Arne E), Vieta, E. (Eduard), Vincent, J.B. (John B), Werge, T.M. (Thomas), Nurnberger, J.I. (John I), Wray, N.R. (Naomi), Florio, A.D. (Arianna Di), Edenberg, H.J. (Howard), Ophoff, R.A. (Roel), Scott, L.J. (Laura J), Andreassen, O.A. (Ole), Kelsoe, J.R. (John), Sklar, P. (Pamela), Wray, N.R. (Naomi R), Byrne, E.M. (Enda), Abdellaoui, A. (Abdel), Adams, M.J. (Mark J), Air, T.M. (Tracy M), Bacanu, S.A. (Silviu), Beekman, A.T.F. (Aartjan), Bigdeli, T.B. (Tim B), Binder, E.B. (Elisabeth), Bryois, J. (Julien), Buttenschøn, H.N. (Henriette N), Cai, N. (Na), Castelao, E. (Enrique), Christensen, J.H. (Jane Hvarregaard), Clarke, T.-K., Colodro-Conde, L. (Lucía), Couvy-Duchesne, B. (Baptiste), Craddock, N.J. (Nick), Crawford, G.E. (Gregory E), Davies, G. (Gail), Deary, I.J. (Ian J), Degenhardt, F., Derks, E.M. (Eske M), Direk, N. (Nese), Dolan, C.V. (Conor), Dunn, E.C. (Erin C.), Eley, T.C. (T.), Kiadeh, F.F.H. (Farnush Farhadi Hassan), Finucane, H.K. (Hilary K), Foo, J.C. (Jerome C), Goes, F.S. (Fernando S), Gordon, S.D. (Scott D.), Hall, L.S. (Lynsey S), Hansen, T.F. (Thomas F), Hickie, I.B. (Ian), Homuth, G. (Georg), Horn, C. (Carsten), Hottenga, J.J. (Jouke Jan), Hougaard, D.M. (David), Howard, D.M. (David M), Ising, M. (Marcus), Jansen, R. (Rick), Jones, I., Jones, L. (Louisa), Jorgenson, E. (Eric), Kohane, I.S. (Isaac S), Kraft, J. (Julia), Kretzschmar, W.W. (Warren W.), Kutalik, Z. (Zoltán), Li, Y. (Yihan), Lind, P.A. (Penelope), MacIntyre, D.J. (Donald J), MacKinnon, D.F. (Dean F), Maier, R.M. (Robert M), Marchini, J. (Jonathan), Mbarek, H., McGrath, P. (Patrick), Mcguffin, P. (Peter), Medland, S.E. (Sarah), Mehta, D. (Divya), Middeldorp, C.M. (Christel M), Mihailov, E. (Evelin), Milaneschi, Y. (Yuri), Mondimore, F.M. (Francis M), Montgomery, G.W. (Grant), Mostafavi, S. (Sara), Nauck, M. (Matthias), Ng, B. (Bernard), Nivard, M. (Michel), Nyholt, D.R. (Dale), O’Reilly, P.F. (Paul F), Oskarsson, H. (Hogni), Owen, M.J. (Michael), Painter, J.N. (Jodie N.), Pedersen, C.B. (Carsten Bøcker), Peterson, R.E. (Roseann E), Pettersson, E. (Erik), Peyrot, W.J. (Wouter ), Pistis, G. (Giorgio), Quiroz, J.A. (Jorge A), Qvist, P. (Per), Rice, J.P. (John P), Riley, B.P. (Brien P.), Mirza, S.S. (Saira), Schoevers, R. (Robert), Schulte, E.C. (Eva C), Shen, L. (Li), Shi, J. (Jianxin), Shyn, S.I. (Stanley I), Sinnamon, G.C.B. (Grant C B), Smith, A.V. (Davey), Smith, D.J. (Daniel J), Tansey, K.E., Teismann, H. (Henning), Teumer, A. (Alexander), Thompson, W.K. (Wesley K.), Thomson, P.A. (Pippa A), Thorgeirsson, T.E. (Thorgeir E), Traylor, M. (Matthew), Uitterlinden, A.G. (André), Umbricht, D. (Daniel), Van der Auwera, S. (Sandra), van Hemert, A.M. (Albert M), Viktorin, A. (Alexander), Visscher, P.M. (Peter M), Webb, B.T. (Bradley T.), Weinsheimer, S.M. (Shantel Marie), Wellmann, J. (Jürgen), Willemsen, G.A.H.M. (Gonneke), Wu, Y. (Yang), Xi, H.S. (Hualin S), Yang, J. (Joanna), Zhang, F. (Futao), Arolt, V. (Volker), Baune, B.T., Berger, K. (Klaus), Boomsma, D.I. (Dorret), Geus, E.J.C. (Eco) de, Domenici, E. (Enrico), Domschke, K. (Katharina), Grabe, H.J. (Hans Jörgen), Hamilton, S.P. (Steven P), Hayward, C. (Caroline), Heath, A.C. (Andrew), Jablensky, A. (Assen), Kloiber, S. (Stefan), Lewis, G., Madden, P.A. (Pamela), Magnusson, P.K. (Patrik), Martin, N.G. (Nicholas G), McIntosh, A.M. (Andrew M), Mors, O., Müller-Myhsok, B. (B.), Nöthen, M.M. (Markus M), Pedersen, N.L. (Nancy), Penninx, B.W.J.H. (Brenda), Porteous, D.J. (David J.), Preisig, M. (Martin), Schaefer, C. (Catherine), Smoller, J.W. (Jordan W), Stefansson, K. (Kari), Tiemeier, H.W. (Henning), Uher, R. (Rudolf), Völzke, H. (Henry), Weissman, M.M., Werge, T. (Thomas), Lewis, C.M. (Cathryn M), Levinson, D.F. (Douglas F.), Borglum, A.D. (Anders), Sullivan, P.F. (Patrick), Mayoral, F. (Fermín), Muller-Myhsok, B. (B.), Forstner, A.J. (Andreas J.), Nöthen, M.M. (Markus M.), Andlauer, T.F.M. (Till F. M.), Guzman-Parra, J. (Jose), Streit, F. (Fabian), Strohmaier, J. (Jana), González, M.J. (Maria José), Gil Flores, S. (Susana), Cabaleiro Fabeiro, F.J. (Francisco J.), del Río Noriega, F. (Francisco), Perez, F.P. (Fermin Perez), Haro González, J. (Jesus), Orozco Diaz, G. (Guillermo), Diego, Y. (Yolanda) de, Moreno-Küstner, B. (Berta), Auburger, G. (Georg), Degenhardt, F. (Franziska), Heilmann-Heimbach, S. (Stefanie), Herms, S. (Stefan), Hoffmann, P. (Per), Frank, J. (Josef), Foo, J.C. (Jerome C.), Treutlein, J. (Jens), Witt, S.H. (Stephanie H), Cichon, S. (Sven), Kogevinas, M. (Manolis), Stahl, E.A. (Eli A), Breen, G. (Gerome), Forstner, A.J. (Andreas J), McQuillin, A. (Andrew), Ripke, S. (Stephan), Trubetskoy, V. (Vassily), Mattheisen, M. (Manuel), Wang, Y. (Yunpeng), Coleman, J.R.I. (Jonathan R I), Gaspar, H.A. (Héléna A), Leeuw, C. (Christiaan) de, Steinberg, S. (Stacy), Pavlides, J.M.W. (Jennifer M Whitehead), Trzaskowski, M. (Maciej), Pers, T.H. (Tune H), Holmans, P.A. (Peter A.), Abbott, L. (Liam), Agerbo, E. (Esben), Akil, H. (Huda), Albani, D. (Diego), Alliey-Rodriguez, N. (Ney), Als, T.D. (Thomas D), Anjorin, A. (Adebayo), Antilla, V. (Verneri), Awasthi, S. (Swapnil), Badner, J.A. (Judith A), Bækvad-Hansen, M. (Marie), Barchas, J.D. (Jack D), Bass, N. (Nicholas), Bauer, M. (Michael), Belliveau, R.A. (Richard A.), Bergen, S.E. (Sarah), Pedersen, C.B. (C.), Bøen, E. (Erlend), Boks, M.P.M. (Marco), Boocock, J. (James), Budde, M. (Monika), Bunney, W.E. (William E), Burmeister, M., Bybjerg-Grauholm, J. (Jonas), Byerley, W.F. (William F), Casas, M. (Miquel), Cerrato, F. (Felecia), Cervantes, P. (Pablo), Chambert, K. (Kimberly), Charney, A.W. (Alexander W), Chen, D. (Danfeng), Churchhouse, C. (Claire), Clarke, T.-K. (Toni-Kim), Coryell, W.H. (William H), Craig, D.W. (David W), Cruceanu, C. (Cristiana), Czerski, P.M., Dale, A.M. (Anders), de Jong, S. (Simone), Del-Favero, J. (Jurgen), DePaulo, J.R. (J Raymond), Djurovic, S. (Srdjan), Dobbyn, A.L. (Amanda L), Dumont, A. (Ashley), Elvsåshagen, T. (Torbjørn), Escott-Price, V. (Valentina), Fan, C.C. (Chun Chieh), Fischer, S.B. (Sascha B), Flickinger, M. (Matthew), Foroud, T.M. (Tatiana M), Forty, L. (Liz), Fraser, C. (Christine), Luben, R.N. (Robert), Frisén, L. (Louise), Gade, K. (Katrin), Gage, D. (Diane), Garnham, J. (Julie), Giambartolomei, C. (Claudia), Pedersen, M.G. (Marianne Giørtz), Goldstein, J.I. (Jacqueline), Gordon, S.D. (Scott D), Gordon-Smith, K. (Katherine), Green, E.K. (Elaine K), Green, M.J. (Melissa J), Greenwood, T.A. (Tiffany A), Grove, J. (Jakob), Guan, W. (Weihua), Parra, J.G. (José Guzman), Hamshere, M.L. (Marian), Hautzinger, M. (Martin), Heilbronner, U. (Urs), Hipolito, M. (Maria), Holland, D. (Dominic), Huckins, L. (Laura), Jamain, S. (Stéphane), Johnson, J.S. (Jessica S), Juréus, A. (Anders), Kandaswamy, R. (Radhika), Karlsson, R. (Robert), Kennedy, J.L. (James L), Kittel-Schneider, S. (Sarah), Knowles, J.A. (James A), Koller, A.C. (Anna C), Kupka, R.W. (Ralph ), Lavebratt, C. (Catharina), Lawrence, J. (Jacob), Lawson, W.B. (William B), Leber, I. (Isabelle), Lee, P.H. (Phil H), Levy, S.E. (Shawn E), Li, J.Z. (Jun Z), Liu, C. (Chunyu), Lucae, S. (Susanne), Maaser, A. (Anna), Macintyre, D.J. (Donald J), Mahon, P.B. (Pamela B), Maier, W. (Wolfgang), Martinsson, L. (Lina), McCarroll, S.A. (Steve), McGuffin, P. (Peter), Mcinnis, M.G. (Melvin G), McKay, J.D. (James D), Medeiros, H. (Helena), Medland, S.E. (Sarah E), Meng, F. (Fan), Milani, L. (Lili), Montgomery, G.W. (Grant W), Morris, D.W. (Derek W), Mühleisen, T.W. (Thomas W), Mullins, N. (Niamh), Nguyen, H. (Hoang), Nievergelt, C.M. (Caroline M), Adolfsson, A.N. (Annelie Nordin), Nwulia, E.A. (Evaristus A), O’Donovan, C. (Claire), Loohuis, L.M.O. (Loes M Olde), Ori, A.P.S. (Anil P S), Oruc, L. (Lilijana), Ösby, U. (Urban), Perlis, R.H. (Roy H), Perry, A. (Amy), Pfennig, A. (Andrea), Potash, J.B. (James B), Purcell, S.M. (Shaun M), Regeer, E.J. (Eline Janet), Reif, A. (Andreas), Reinbold, C.S. (Céline S), Rice, J.P. (John), Richards, A. (Alex), Rivas, F. (Fabio), Rivera, M. (Margarita), Roussos, A. (Alexandra), Ruderfer, D. (Douglas), Ryu, J. (Julie), Sánchez-Mora, C. (Cristina), Schatzberg, A.F. (Alan F), Scheftner, W.A. (William A), Schork, N.J. (Nicholas), Weickert, C.S. (Cynthia Shannon), Shehktman, T. (Tatyana), Shilling, P.D. (Paul D), Sigurdsson, E. (Engilbert), Slaney, C. (Claire), Smeland, O.B. (Olav B), Sobell, J.L. (Janet L), Hansen, C.S. (Christine Søholm), Spijker, A.T. (Anne T), Clair, D.S., Steffens, M. (Michael), Strauss, J.S. (John S), Szelinger, S. (Szabolcs), Thompson, R.C. (Robert C), EThorgeirsson, T. (Thorgeir), Vedde, H. (Helmut), Wang, W. (Weiqing), Watson, S.J. (Stanley J), Weickert, T.W. (Thomas W), Xi, S. (Simon), Xu, W. (Wei), Young, A.H. (Allan H), Zandi, P.P. (Peter P), Zhang, P. (Ping), Zöllner, S. (Sebastian), Adolfsson, R., Agartz, I. (Ingrid), Alda, M. (Martin), Backlund, L. (Lena), Baune, B.T. (Bernhard T), Bellivier, F. (Frank), Berrettini, W. (Wade), Biernacka, J.M. (Joanna M), Blackwood, D.H.R. (Douglas), Boehnke, M. (Michael), Børglum, A.D. (Anders D), Corvin, A. (Aiden), Craddock, N. (Nicholas), Daly, M.J. (Mark), Dannlowski, U. (Udo), Esko, T. (Tõnu), Etain, B. (Bruno), Frye, M.A. (Mark A), Fullerton, J.M. (Janice M), Gershon, E.S. (Elliot S), Gill, M. (Michael), Goes, F. (Fernando), Grigoroiu-Serbanescu, M. (Maria), Hauser, J. (J.), Hougaard, D.M. (David M), Hultman, C.M. (Christina), Jones, I. (Ian), Jones, L.A. (Lisa A), Kahn, R. (René), Kirov, G. (George), Landén, M. (Mikael), Leboyer, M. (Marion), Lewis, C.M. (Cathryn), Li, Q.S. (Qingqin S), Lissowska, J. (Jolanta), Martin, N.G. (Nicholas), Mayoral, F. (Fermin), McElroy, S.L. (Susan L), McIntosh, A.M. (Andrew), Mcmahon, F.J. (Francis J), Melle, I. (Ingrid), Metspalu, A. (Andres), Mitchell, P.B. (Philip B), Morken, G. (Gunnar), Mors, O. (Ole), Mortensen, P.B. (Preben Bo), Müller-Myhsok, B. (Bertram), Myers, R.H. (Richard), Neale, B.M. (Benjamin), Nimgaonkar, V. (Vishwajit), Nordentoft, M. (Merete), Nöthen, M.M. (Markus), O’Donovan, M.C. (Michael C), Oedegaard, K.J. (Ketil J), Owen, M.J. (Michael J), Paciga, S.A. (Sara A), Pato, C. (Carlos), Posthuma, D. (Danielle), Ramos-Quiroga, J.A. (Josep Antoni), Ribasés, M. (Marta), Rietschel, M. (Marcella), Rouleau, G.A. (Guy A), Schalling, M. (Martin), Schofield, P.R. (Peter R), Schulze, T.G. (Thomas G), Serretti, A. (Alessandro), Smoller, J.W., Stefansson, H. (Hreinn), Zwart, J-A. (John-Anker), Stordal, E. (Eystein), Sullivan, P.F. (Patrick F), Turecki, G. (Gustavo), Vaaler, A.E. (Arne E), Vieta, E. (Eduard), Vincent, J.B. (John B), Werge, T.M. (Thomas), Nurnberger, J.I. (John I), Wray, N.R. (Naomi), Florio, A.D. (Arianna Di), Edenberg, H.J. (Howard), Ophoff, R.A. (Roel), Scott, L.J. (Laura J), Andreassen, O.A. (Ole), Kelsoe, J.R. (John), Sklar, P. (Pamela), Wray, N.R. (Naomi R), Byrne, E.M. (Enda), Abdellaoui, A. (Abdel), Adams, M.J. (Mark J), Air, T.M. (Tracy M), Bacanu, S.A. (Silviu), Beekman, A.T.F. (Aartjan), Bigdeli, T.B. (Tim B), Binder, E.B. (Elisabeth), Bryois, J. (Julien), Buttenschøn, H.N. (Henriette N), Cai, N. (Na), Castelao, E. (Enrique), Christensen, J.H. (Jane Hvarregaard), Clarke, T.-K., Colodro-Conde, L. (Lucía), Couvy-Duchesne, B. (Baptiste), Craddock, N.J. (Nick), Crawford, G.E. (Gregory E), Davies, G. (Gail), Deary, I.J. (Ian J), Degenhardt, F., Derks, E.M. (Eske M), Direk, N. (Nese), Dolan, C.V. (Conor), Dunn, E.C. (Erin C.), Eley, T.C. (T.), Kiadeh, F.F.H. (Farnush Farhadi Hassan), Finucane, H.K. (Hilary K), Foo, J.C. (Jerome C), Goes, F.S. (Fernando S), Gordon, S.D. (Scott D.), Hall, L.S. (Lynsey S), Hansen, T.F. (Thomas F), Hickie, I.B. (Ian), Homuth, G. (Georg), Horn, C. (Carsten), Hottenga, J.J. (Jouke Jan), Hougaard, D.M. (David), Howard, D.M. (David M), Ising, M. (Marcus), Jansen, R. (Rick), Jones, I., Jones, L. (Louisa), Jorgenson, E. (Eric), Kohane, I.S. (Isaac S), Kraft, J. (Julia), Kretzschmar, W.W. (Warren W.), Kutalik, Z. (Zoltán), Li, Y. (Yihan), Lind, P.A. (Penelope), MacIntyre, D.J. (Donald J), MacKinnon, D.F. (Dean F), Maier, R.M. (Robert M), Marchini, J. (Jonathan), Mbarek, H., McGrath, P. (Patrick), Mcguffin, P. (Peter), Medland, S.E. (Sarah), Mehta, D. (Divya), Middeldorp, C.M. (Christel M), Mihailov, E. (Evelin), Milaneschi, Y. (Yuri), Mondimore, F.M. (Francis M), Montgomery, G.W. (Grant), Mostafavi, S. (Sara), Nauck, M. (Matthias), Ng, B. (Bernard), Nivard, M. (Michel), Nyholt, D.R. (Dale), O’Reilly, P.F. (Paul F), Oskarsson, H. (Hogni), Owen, M.J. (Michael), Painter, J.N. (Jodie N.), Pedersen, C.B. (Carsten Bøcker), Peterson, R.E. (Roseann E), Pettersson, E. (Erik), Peyrot, W.J. (Wouter ), Pistis, G. (Giorgio), Quiroz, J.A. (Jorge A), Qvist, P. (Per), Rice, J.P. (John P), Riley, B.P. (Brien P.), Mirza, S.S. (Saira), Schoevers, R. (Robert), Schulte, E.C. (Eva C), Shen, L. (Li), Shi, J. (Jianxin), Shyn, S.I. (Stanley I), Sinnamon, G.C.B. (Grant C B), Smith, A.V. (Davey), Smith, D.J. (Daniel J), Tansey, K.E., Teismann, H. (Henning), Teumer, A. (Alexander), Thompson, W.K. (Wesley K.), Thomson, P.A. (Pippa A), Thorgeirsson, T.E. (Thorgeir E), Traylor, M. (Matthew), Uitterlinden, A.G. (André), Umbricht, D. (Daniel), Van der Auwera, S. (Sandra), van Hemert, A.M. (Albert M), Viktorin, A. (Alexander), Visscher, P.M. (Peter M), Webb, B.T. (Bradley T.), Weinsheimer, S.M. (Shantel Marie), Wellmann, J. (Jürgen), Willemsen, G.A.H.M. (Gonneke), Wu, Y. (Yang), Xi, H.S. (Hualin S), Yang, J. (Joanna), Zhang, F. (Futao), Arolt, V. (Volker), Baune, B.T., Berger, K. (Klaus), Boomsma, D.I. (Dorret), Geus, E.J.C. (Eco) de, Domenici, E. (Enrico), Domschke, K. (Katharina), Grabe, H.J. (Hans Jörgen), Hamilton, S.P. (Steven P), Hayward, C. (Caroline), Heath, A.C. (Andrew), Jablensky, A. (Assen), Kloiber, S. (Stefan), Lewis, G., Madden, P.A. (Pamela), Magnusson, P.K. (Patrik), Martin, N.G. (Nicholas G), McIntosh, A.M. (Andrew M), Mors, O., Müller-Myhsok, B. (B.), Nöthen, M.M. (Markus M), Pedersen, N.L. (Nancy), Penninx, B.W.J.H. (Brenda), Porteous, D.J. (David J.), Preisig, M. (Martin), Schaefer, C. (Catherine), Smoller, J.W. (Jordan W), Stefansson, K. (Kari), Tiemeier, H.W. (Henning), Uher, R. (Rudolf), Völzke, H. (Henry), Weissman, M.M., Werge, T. (Thomas), Lewis, C.M. (Cathryn M), Levinson, D.F. (Douglas F.), Borglum, A.D. (Anders), Sullivan, P.F. (Patrick), Mayoral, F. (Fermín), Muller-Myhsok, B. (B.), Forstner, A.J. (Andreas J.), and Nöthen, M.M. (Markus M.)
Abstract: Multiplex families with a high prevalence of a psychiatric disorder are often examined to identify rare genetic variants with large effect sizes. In the present study, we analysed whether the risk for bipolar disorder (BD) in BD multiplex families is influenced by common genetic variants. Furthermore, we investigated whether this risk is conferred mainly by BD-specific risk variants or by variants also associated with the susceptibility to schizophrenia or major depression. In total, 395 individuals from 33 Andalusian BD multiplex families (166 BD, 78 major depressive disorder, 151 unaffected) as well as 438 subjects from an independent, BD case/control cohort (161 unrelated BD, 277 unrelated controls) were analysed. Polygenic risk scores (PRS) for BD, schizophrenia (SCZ), and major depression were calculated and compared between the cohorts. Both the familial BD cases and unaffected family members had higher PRS for all three psychiatric disorders than the independent controls, with BD and SCZ being significant after correction for multiple testing, suggesting a high baseline risk for several psychiatric disorders in the families. Moreover, familial BD cases showed significantly higher BD PRS than unaffected family members and unrelated BD cases. A plausible hypothesis is that, in multiplex families with a general increase in risk for psychiatric disease, BD development is attributable to a high burden of common variants that confer a specific risk for BD. The present analyses demonstrated that common genetic risk variants for psychiatric disorders are likely to contribute to the high incidence of affective psychiatric disorders in the multiplex families. However, the PRS explained only part of the observed phenotypic variance, and rare variants might have also contributed to disease development.
Published: 2019
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14. Classical Human Leukocyte Antigen Alleles and C4 Haplotypes Are Not Significantly Associated With Depression

Author: Glanville, K.P. (Kylie P.), Coleman, J.R.I. (Jonathan R.I.), Hanscombe, K.B. (Ken B.), Euesden, J. (Jack), Choi, S.W. (Shing Wan), Purves, K.L. (Kirstin L.), Breen, G. (Gerome), Air, T.M. (Tracy M.), Andlauer, T.F.M. (Till F.M.), Baune, B.T., Binder, E.B. (Elisabeth), Blackwood, D.H.R. (Douglas), Boomsma, D.I. (Dorret), Buttenschøn, H.N. (Henriette N.), Colodro-Conde, L. (Lucía), Dannlowski, U. (Udo), Direk, N. (Nese), Dunn, E.C. (Erin C.), Forstner, A.J. (Andreas J.), Geus, E.J.C. (Eco) de, Grabe, H.J. (Hans Jörgen), Hamilton, S.P. (Steven P), Jones, I., Jones, L. (Louisa), Knowles, J.A. (James A), Kutalik, Z. (Zoltán), Levinson, D.F. (Douglas F.), Lewis, G., Lind, P.A. (Penelope), Lucae, S. (Susanne), Magnusson, P.K. (Patrik), McGuffin, P. (Peter), McIntosh, A.M. (Andrew), Milaneschi, Y. (Yuri), Mors, O., Mostafavi, S. (Sara), Müller-Myhsok, B. (B.), Pedersen, N.L. (Nancy), Penninx, B.W.J.H. (Brenda), Potash, J.B. (James B), Preisig, M. (Martin), Ripke, S. (Stephan), Shi, J. (Jianxin), Shyn, S.I. (Stanley I), Smoller, J.W., Streit, F. (Fabian), Sullivan, P.F. (Patrick), Tiemeier, H.W. (Henning), Uher, R. (Rudolf), Van der Auwera, S. (Sandra), Weissman, M.M., Wray, N.R. (Naomi), Mattheisen, M. (Manuel), Trzaskowski, M. (Maciej), Byrne, E.M. (Enda), Abdellaoui, A. (Abdel), Adams, M.J. (Mark J.), Agerbo, E. (Esben), Bacanu, S.A. (Silviu), Bækvad-Hansen, M. (Marie), Beekman, A.T.F. (Aartjan), Bigdeli, T.B. (Tim B.), Bryois, J. (Julien), Bybjerg-Grauholm, J. (Jonas), Cai, N. (Na), Castelao, E. (Enrique), Christensen, J.H. (Jane Hvarregaard), Clarke, T.-K., Couvy-Duchesne, B. (Baptiste), Craddock, N.J. (Nick), Crawford, G.E. (Gregory E.), Davies, G. (Gail), Deary, I.J. (Ian J.), Degenhardt, F., Derks, E.M. (Eske), Dolan, C.V. (Conor), Eley, T.C. (T.), Escott-Price, V. (Valentina), Hassan Kiadeh, F.F. (Farnush Farhadi), Finucane, H.K. (Hilary K.), Foo, J.C. (Jerome C.), Frank, J. (Josef), Gaspar, H.A. (Héléna A.), Gill, M. (Michael), Goes, F.S. (Fernando S.), Gordon, S.D. (Scott D.), Grove, J. (Jakob), Hall, L.S. (Lynsey S.), Hansen, C.S. (Christine Søholm), Hansen, T.F. (Thomas F.), Herms, S. (Stefan), Hickie, I.B. (Ian), Hoffmann, P. (Per), Homuth, G. (Georg), Horn, C. (Carsten), Hottenga, J.J. (Jouke Jan), Hougaard, D.M. (David), Howard, D.M. (David M.), Ising, M. (Marcus), Jansen, R. (Rick), Jorgenson, E. (Eric), Kohane, I.S. (Isaac S.), Kraft, J. (Julia), Kretzschmar, W.W. (Warren W.), Li, Y. (Yihan), Macintyre, D.J. (Donald J), MacKinnon, D.F. (Dean F.), Maier, R.M. (Robert M.), Maier, W. (Wolfgang), Marchini, J. (Jonathan), Mbarek, H., McGrath, P. (Patrick), Medland, S.E. (Sarah), Mehta, D. (Divya), Middeldorp, C.M. (Christel), Mihailov, E. (Evelin), Milani, L. (Lili), Mondimore, F.M. (Francis M.), Montgomery, G.W. (Grant), Mullins, N. (Niamh), Nauck, M. (Matthias), Ng, B. (Bernard), Nivard, M. (Michel), Nyholt, D.R. (Dale), O'Reilly, P.F. (Paul), Oskarsson, H. (Hogni), Owen, M.J. (Michael), Painter, J.N. (Jodie N.), Pedersen, C.B. (C.), Pedersen, M.G. (Marianne Giørtz), Peterson, R.E. (Roseann E.), Pettersson, E. (Erik), Peyrot, W.J. (Wouter ), Pistis, G. (Giorgio), Posthuma, D. (Danielle), Quiroz, J.A. (Jorge A.), Qvist, P. (Per), Rice, J.P. (John), Riley, B.P. (Brien P.), Rivera, M. (Margarita), Mirza, S.S. (Saira), Schoevers, R. (Robert), Schulte, E.C. (Eva C.), Shen, L. (Li), Sigurdsson, E. (Engilbert), Sinnamon, G.C.B. (Grant C.B.), Smith, A.V. (Davey), Smith, D.J. (Daniel J.), Stefansson, H. (Hreinn), Steinberg, S. (Stacy), Strohmaier, J. (Jana), Tansey, K.E., Teismann, H. (Henning), Teumer, A. (Alexander), Thompson, W.K. (Wesley K.), Thomson, P.A. (Pippa A.), Thorgeirsson, T.E. (Thorgeir E.), Traylor, M. (Matthew), Treutlein, J. (Jens), Trubetskoy, V. (Vassily), Uitterlinden, A.G. (Andrés G.), Umbricht, D. (Daniel), van Hemert, A.M. (Albert M.), Viktorin, A. (Alexander), Visscher, P.M. (Peter M.), Wang, Y. (Yunpeng), Webb, B.T. (Bradley T.), Weinsheimer, S.M. (Shantel Marie), Wellmann, J. (Jürgen), Willemsen, G.A.H.M. (Gonneke), Witt, S.H. (Stephanie H), Wu, Y. (Yang), Xi, H.S. (Hualin S.), Yang, J. (Jian), Zhang, F. (Futao), Arolt, V. (Volker), Berger, K. (Klaus), Cichon, S. (Sven), de Geus, E.J.C. (E. J.C.), DePaulo, J.R. (J. Raymond), Domenici, E. (Enrico), Domschke, K. (Katharina), Esko, T. (Tõnu), Hayward, C. (Caroline), Heath, A.C. (Andrew), Jablensky, A. (Assen), Kloiber, S. (Stefan), Li, Q.S. (Qingqin S.), Madden, P.A. (Pamela), Martin, N.G. (Nicholas), Metspalu, A. (Andres), Mortensen, P.B. (Preben Bo), Nordentoft, M. (Merete), Nöthen, M.M. (Markus), O'donovan, M.C. (Michael), Paciga, S.A. (Sara A.), Perlis, R.H. (Roy H), Porteous, D.J. (David J.), Rietschel, M. (Marcella), Schaefer, C. (Catherine), Schulze, T.G. (Thomas G.), Zwart, J-A. (John-Anker), Völzke, H. (Henry), Werge, T.M. (Thomas), Lewis, C.M. (Cathryn), Borglum, A.D. (Anders), Glanville, K.P. (Kylie P.), Coleman, J.R.I. (Jonathan R.I.), Hanscombe, K.B. (Ken B.), Euesden, J. (Jack), Choi, S.W. (Shing Wan), Purves, K.L. (Kirstin L.), Breen, G. (Gerome), Air, T.M. (Tracy M.), Andlauer, T.F.M. (Till F.M.), Baune, B.T., Binder, E.B. (Elisabeth), Blackwood, D.H.R. (Douglas), Boomsma, D.I. (Dorret), Buttenschøn, H.N. (Henriette N.), Colodro-Conde, L. (Lucía), Dannlowski, U. (Udo), Direk, N. (Nese), Dunn, E.C. (Erin C.), Forstner, A.J. (Andreas J.), Geus, E.J.C. (Eco) de, Grabe, H.J. (Hans Jörgen), Hamilton, S.P. (Steven P), Jones, I., Jones, L. (Louisa), Knowles, J.A. (James A), Kutalik, Z. (Zoltán), Levinson, D.F. (Douglas F.), Lewis, G., Lind, P.A. (Penelope), Lucae, S. (Susanne), Magnusson, P.K. (Patrik), McGuffin, P. (Peter), McIntosh, A.M. (Andrew), Milaneschi, Y. (Yuri), Mors, O., Mostafavi, S. (Sara), Müller-Myhsok, B. (B.), Pedersen, N.L. (Nancy), Penninx, B.W.J.H. (Brenda), Potash, J.B. (James B), Preisig, M. (Martin), Ripke, S. (Stephan), Shi, J. (Jianxin), Shyn, S.I. (Stanley I), Smoller, J.W., Streit, F. (Fabian), Sullivan, P.F. (Patrick), Tiemeier, H.W. (Henning), Uher, R. (Rudolf), Van der Auwera, S. (Sandra), Weissman, M.M., Wray, N.R. (Naomi), Mattheisen, M. (Manuel), Trzaskowski, M. (Maciej), Byrne, E.M. (Enda), Abdellaoui, A. (Abdel), Adams, M.J. (Mark J.), Agerbo, E. (Esben), Bacanu, S.A. (Silviu), Bækvad-Hansen, M. (Marie), Beekman, A.T.F. (Aartjan), Bigdeli, T.B. (Tim B.), Bryois, J. (Julien), Bybjerg-Grauholm, J. (Jonas), Cai, N. (Na), Castelao, E. (Enrique), Christensen, J.H. (Jane Hvarregaard), Clarke, T.-K., Couvy-Duchesne, B. (Baptiste), Craddock, N.J. (Nick), Crawford, G.E. (Gregory E.), Davies, G. (Gail), Deary, I.J. (Ian J.), Degenhardt, F., Derks, E.M. (Eske), Dolan, C.V. (Conor), Eley, T.C. (T.), Escott-Price, V. (Valentina), Hassan Kiadeh, F.F. (Farnush Farhadi), Finucane, H.K. (Hilary K.), Foo, J.C. (Jerome C.), Frank, J. (Josef), Gaspar, H.A. (Héléna A.), Gill, M. (Michael), Goes, F.S. (Fernando S.), Gordon, S.D. (Scott D.), Grove, J. (Jakob), Hall, L.S. (Lynsey S.), Hansen, C.S. (Christine Søholm), Hansen, T.F. (Thomas F.), Herms, S. (Stefan), Hickie, I.B. (Ian), Hoffmann, P. (Per), Homuth, G. (Georg), Horn, C. (Carsten), Hottenga, J.J. (Jouke Jan), Hougaard, D.M. (David), Howard, D.M. (David M.), Ising, M. (Marcus), Jansen, R. (Rick), Jorgenson, E. (Eric), Kohane, I.S. (Isaac S.), Kraft, J. (Julia), Kretzschmar, W.W. (Warren W.), Li, Y. (Yihan), Macintyre, D.J. (Donald J), MacKinnon, D.F. (Dean F.), Maier, R.M. (Robert M.), Maier, W. (Wolfgang), Marchini, J. (Jonathan), Mbarek, H., McGrath, P. (Patrick), Medland, S.E. (Sarah), Mehta, D. (Divya), Middeldorp, C.M. (Christel), Mihailov, E. (Evelin), Milani, L. (Lili), Mondimore, F.M. (Francis M.), Montgomery, G.W. (Grant), Mullins, N. (Niamh), Nauck, M. (Matthias), Ng, B. (Bernard), Nivard, M. (Michel), Nyholt, D.R. (Dale), O'Reilly, P.F. (Paul), Oskarsson, H. (Hogni), Owen, M.J. (Michael), Painter, J.N. (Jodie N.), Pedersen, C.B. (C.), Pedersen, M.G. (Marianne Giørtz), Peterson, R.E. (Roseann E.), Pettersson, E. (Erik), Peyrot, W.J. (Wouter ), Pistis, G. (Giorgio), Posthuma, D. (Danielle), Quiroz, J.A. (Jorge A.), Qvist, P. (Per), Rice, J.P. (John), Riley, B.P. (Brien P.), Rivera, M. (Margarita), Mirza, S.S. (Saira), Schoevers, R. (Robert), Schulte, E.C. (Eva C.), Shen, L. (Li), Sigurdsson, E. (Engilbert), Sinnamon, G.C.B. (Grant C.B.), Smith, A.V. (Davey), Smith, D.J. (Daniel J.), Stefansson, H. (Hreinn), Steinberg, S. (Stacy), Strohmaier, J. (Jana), Tansey, K.E., Teismann, H. (Henning), Teumer, A. (Alexander), Thompson, W.K. (Wesley K.), Thomson, P.A. (Pippa A.), Thorgeirsson, T.E. (Thorgeir E.), Traylor, M. (Matthew), Treutlein, J. (Jens), Trubetskoy, V. (Vassily), Uitterlinden, A.G. (Andrés G.), Umbricht, D. (Daniel), van Hemert, A.M. (Albert M.), Viktorin, A. (Alexander), Visscher, P.M. (Peter M.), Wang, Y. (Yunpeng), Webb, B.T. (Bradley T.), Weinsheimer, S.M. (Shantel Marie), Wellmann, J. (Jürgen), Willemsen, G.A.H.M. (Gonneke), Witt, S.H. (Stephanie H), Wu, Y. (Yang), Xi, H.S. (Hualin S.), Yang, J. (Jian), Zhang, F. (Futao), Arolt, V. (Volker), Berger, K. (Klaus), Cichon, S. (Sven), de Geus, E.J.C. (E. J.C.), DePaulo, J.R. (J. Raymond), Domenici, E. (Enrico), Domschke, K. (Katharina), Esko, T. (Tõnu), Hayward, C. (Caroline), Heath, A.C. (Andrew), Jablensky, A. (Assen), Kloiber, S. (Stefan), Li, Q.S. (Qingqin S.), Madden, P.A. (Pamela), Martin, N.G. (Nicholas), Metspalu, A. (Andres), Mortensen, P.B. (Preben Bo), Nordentoft, M. (Merete), Nöthen, M.M. (Markus), O'donovan, M.C. (Michael), Paciga, S.A. (Sara A.), Perlis, R.H. (Roy H), Porteous, D.J. (David J.), Rietschel, M. (Marcella), Schaefer, C. (Catherine), Schulze, T.G. (Thomas G.), Zwart, J-A. (John-Anker), Völzke, H. (Henry), Werge, T.M. (Thomas), Lewis, C.M. (Cathryn), and Borglum, A.D. (Anders)
Abstract: Background: The prevalence of depression is higher in individuals with autoimmune diseases, but the mechanisms underlying the observed comorbidities are unknown. Shared genetic etiology is a plausible explanation for the overlap, and in this study we tested whether genetic variation in the major histocompatibility complex (MHC), which is associated with risk for autoimmune diseases, is also associated with risk for depression. Methods: We fine-mapped the classical MHC (chr6: 29.6–33.1 Mb), imputing 216 human leukocyte antigen (HLA) alleles and 4 complement component 4 (C4) haplotypes in studies from the Psychiatric Genomics Consortium Major Depressive Disorder Working Group and the UK Biobank. The total sample size was 45,149 depression cases and 86,698 controls. We tested for association between depression status and imputed MHC variants, applying both a region-wide significance threshold (3.9 × 10−6) and a candidate threshold (1.6 × 10−4). Results: No HLA alleles or C4 haplotypes were associated with depression at the region-wide threshold. HLA-B*08:01 was associated with modest protection for depression at the candidate threshold for testing in HLA genes in the meta-analysis (odds ratio = 0.98, 95% confidence interval = 0.97–0.99). Conclusions: We found no evidence that an increased risk for depression was conferred by HLA alleles, which play a major role in the genetic susceptibility to autoimmune diseases, or C4 haplotypes, which are strongly associated with schizophrenia. These results suggest that any HLA or C4 variants associated with depression either are rare or have very modest effect sizes.
Published: 2019
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15. Maternal environmental risk factors and the development of internalizing and externalizing problems in childhood: The complex role of genetic factors

Author: Ensink, J.B.M. (Judith B. M.), de Moor, M.H.M. (Marleen H. M.), Zafarmand, M.H. (Mohammad Hadi), de Laat, S. (Sanne), Uitterlinden, A. (André), Vrijkotte, T.G.M. (Tanja), Lindauer, R.J. L. (Ramón), Middeldorp, C.M. (Christel), Ensink, J.B.M. (Judith B. M.), de Moor, M.H.M. (Marleen H. M.), Zafarmand, M.H. (Mohammad Hadi), de Laat, S. (Sanne), Uitterlinden, A. (André), Vrijkotte, T.G.M. (Tanja), Lindauer, R.J. L. (Ramón), and Middeldorp, C.M. (Christel)
Abstract: The development of problem behavior in children is associated with exposure to environmental factors, including the maternal environment. Both are influenced by genetic factors, which may also be correlated, that is, environmental risk and problem behavior in children might be influenced by partly the same genetic factors. In addition, environmental and genetic factors could interact with each other increasing the risk of problem behavior in children. To date, limited research investigated these mechanisms in a genome-wide approach. Therefore, the goal of this study was to investigate the association between genetic risk for psychiatric and related traits, as indicated by polygenetic risk scores (PRSs), exposure to previously identified maternal risk factors, and problem behavior in a sample of 1,154 children from the Amsterdam Born Children and their Development study at ages 5–6 and 11–12 years old. The PRSs were derived from genome-wide association studies (GWASs) on schizophrenia, major depressive disorder, neuroticism, and wellbeing. Regression analysis showed that the PRSs were associated with exposure to multiple environmental risk factors, suggesting passive gene–environment correlation. In addition, the PRS based on the schizophrenia GWAS was associated with externalizing behavior problems in children at age 5–6. We did not find any association with problem behavior for the other PRSs. Our results indicate that genetic predispositions for psychiatric disorders and wellbeing are associated with early environmental risk factors for children's problem behavior.
Published: 2019
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16. Integrated analysis of environmental and genetic influences on cord blood DNA methylation in new-borns

Author: Czamara, D. (Darina), Eraslan, G. (Gökçen), Page, C.M. (Christian M.), Lahti, J. (Jari), Lahti-Pulkkinen, M. (Marius), Hämäläinen, E. (Esa), Kajantie, E. (Eero), Laivuori, H. (Hannele), Villa, P.M. (Pia M.), Reynolds, R.M. (Rebecca M.), Nystad, W. (Wenche), Håberg, S.E. (Siri E), London, S.J. (Stephanie J.), O’Donnell, K.J. (Kieran J.), Garg, E. (Elika), Meaney, M.J., Entringer, S., Wadhwa, P.D. (Pathik D.), Buss, C. (Claudia), Jones, M.J. (Meaghan J.), Lin, D.T.S. (David T. S.), MacIsaac, J.L. (Julie L.), Kobor, M.S. (Michael S.), Koen, N. (Nastassja), Zar, H.J., Koenen, M.E. (Marjorie), Dalvie, S. (Shareefa), Stein, D.J. (Dan), Kondofersky, I. (Ivan), Müller, N.S. (Nikola S.), Theis, F. (Fabian), Wray, N.R. (Naomi), Ripke, S. (Stephan), Mattheisen, M. (Manuel), Trzaskowski, M. (Maciej), Byrne, E.M. (Enda), Abdellaoui, A. (Abdel), Adams, M.J. (Mark J.), Agerbo, E. (Esben), Air, T.M. (Tracy M.), Andlauer, T.F.M. (Till F. M.), Bacanu, S.A. (Silviu), Bækvad-Hansen, M. (Marie), Beekman, A.T.F. (Aartjan), Bigdeli, T.B. (Tim B.), Blackwood, D.H.R. (Douglas), Bryois, J. (Julien), Buttenschøn, H.N. (Henriette N.), Bybjerg-Grauholm, J. (Jonas), Cai, N. (Na), Castelao, E. (Enrique), Christensen, J.H. (Jane Hvarregaard), Clarke, T.-K., Coleman, J.R.I. (Jonathan R. I.), Colodro-Conde, L. (Lucía), Couvy-Duchesne, B. (Baptiste), Craddock, N.J. (Nick), Crawford, G.E. (Gregory E.), Davies, G. (Gail), Deary, I.J. (Ian), Degenhardt, F., Derks, E.M. (Eske), Direk, N. (Nese), Dolan, C.V. (Conor), Dunn, E.C. (Erin C.), Eley, T.C. (T.), Escott-Price, V. (Valentina), Kiadeh, F.F.H. (Farnush Farhadi Hassan), Finucane, H.K. (Hilary K.), Forstner, A.J. (Andreas J.), Frank, J. (Josef), Gaspar, H.A. (Héléna A.), Gill, M. (Michael), Goes, F.S. (Fernando S.), Gordon, S.D. (Scott D.), Grove, J. (Jakob), Hall, L.S. (Lynsey S.), Hansen, C.S. (Christine Søholm), Hansen, T.F. (Thomas F.), Herms, S. (Stefan), Hickie, I.B. (Ian), Hoffmann, P. (Per), Homuth, G. (Georg), Horn, C. (Carsten), Hottenga, J.J. (Jouke Jan), Hougaard, D.M. (David M.), Ising, M. (Marcus), Jansen, R. (Rick), Jorgenson, E. (Eric), Knowles, J.A. (James A), Kohane, I.S., Kraft, J. (Julia), Kretzschmar, W.W. (Warren W.), Krogh, J. (Jesper), Kutalik, Z. (Zoltán), Li, Y. (Yihan), Lind, P.A. (Penelope), Macintyre, D.J. (Donald J), MacKinnon, D.F. (Dean F.), Maier, R.M. (Robert M.), Maier, W. (Wolfgang), Marchini, J. (Jonathan), Mbarek, H., McGrath, P. (Patrick), McGuffin, P. (Peter), Medland, S.E. (Sarah), Mehta, D. (Divya), Middeldorp, C.M. (Christel), Mihailov, E. (Evelin), Milaneschi, Y. (Yuri), Milani, L. (Lili), Mondimore, F.M. (Francis M.), Montgomery, G.W. (Grant), Mostafavi, S. (Sara), Mullins, N. (Niamh), Nauck, M. (Matthias), Ng, B. (Bernard), Nivard, M. (Michel), Nyholt, D.R. (Dale), O’Reilly, P.F. (Paul F.), Oskarsson, H. (Hogni), Owen, M.J. (Michael J.), Painter, J.N. (Jodie N.), Pedersen, C.B. (C.), Pedersen, M.G. (Marianne Giørtz), Peterson, R.E. (Roseann E.), Pettersson, E. (Erik), Peyrot, W.J. (Wouter ), Pistis, G. (Giorgio), Posthuma, D. (Danielle), Quiroz, J.A. (Jorge A.), Qvist, P. (Per), Rice, J.P. (John), Riley, B.P. (Brien P.), Rivera, M. (Margarita), Mirza, S.S. (Saira), Schoevers, R. (Robert), Schulte, E.C. (Eva C.), Shen, L. (Ling), Shi, J. (Jianxin), Shyn, S.I. (Stanley I), Sigurdsson, E. (Engilbert), Sinnamon, G.C.B. (Grant C. B.), Smith, A.V. (Davey), Smith, D.J. (Daniel J.), Stefansson, H. (Hreinn), Steinberg, S. (Stacy), Streit, F. (Fabian), Strohmaier, J. (Jana), Tansey, K.E., Teismann, H. (Henning), Teumer, A. (Alexander), Thompson, W.K. (Wesley K.), Thomson, P.A. (Pippa A.), Thorgeirsson, T.E. (Thorgeir E.), Traylor, M. (Matthew), Treutlein, J. (Jens), Trubetskoy, V. (Vassily), Uitterlinden, A.G. (André), Umbricht, D. (Daniel), Van der Auwera, S. (Sandra), van Hemert, A.M. (Albert M.), Viktorin, A. (Alexander), Visscher, P.M. (Peter M.), Wang, Y. (Yunpeng), Webb, B.T. (Bradley T.), Weinsheimer, S.M. (Shantel Marie), Wellmann, J. (Jürgen), Willemsen, G.A.H.M. (Gonneke), Witt, S.H. (Stephanie H), Wu, Y. (Yang), Xi, H.S. (Hualin S.), Yang, J. (Jian), Zhang, F. (Futao), Arolt, V. (Volker), Baune, B.T., Berger, K. (Klaus), Boomsma, D.I. (Dorret), Cichon, S. (Sven), Dannlowski, U. (Udo), Geus, E.J.C. (Eco) de, DePaulo, J.R. (J. Raymond), Domenici, E. (Enrico), Domschke, K. (Katharina), Esko, T. (Tõnu), Grabe, H.J. (Hans Jörgen), Hamilton, S.P. (Steven P), Hayward, C. (Caroline), Heath, A.C. (Andrew), Jablensky, A. (Assen), Kloiber, S. (Stefan), Lewis, G., Li, Q.S. (Qingqin S.), Lucae, S. (Susanne), Madden, P.A. (Pamela), Magnusson, P.K. (Patrik K.), Martin, N.G. (Nicholas), McIntosh, A.M. (Andrew M.), Metspalu, A. (Andres), Mors, O. (Ole), Mortensen, P.B. (Preben Bo), Müller-Myhsok, B. (B.), Nordentoft, M. (Merete), Nöthen, M.M. (Markus), O’Donovan, M.C. (Michael C.), Paciga, S.A. (Sara A.), Pedersen, N.L. (Nancy), Penninx, B.W.J.H. (Brenda), Perlis, R.H. (Roy H), Porteous, D.J. (David J.), Potash, J.B. (James B), Preisig, M. (Martin), Rietschel, M. (Marcella), Schaefer, C. (Catherine), Schulze, T.G. (Thomas G.), Smoller, J.W., Stefansson, K. (Kari), Tiemeier, H.W. (Henning), Uher, R. (Rudolf), Völzke, H. (Henry), Weissman, M.M., Werge, T. (Thomas), Lewis, C.M. (Cathryn), Levinson, D.F. (Douglas F.), Breen, G. (Gerome), Borglum, A.D. (Anders), Sullivan, P.F. (Patrick F.), Räikkönen, K. (Katri), Binder, E.B. (Elisabeth), Czamara, D. (Darina), Eraslan, G. (Gökçen), Page, C.M. (Christian M.), Lahti, J. (Jari), Lahti-Pulkkinen, M. (Marius), Hämäläinen, E. (Esa), Kajantie, E. (Eero), Laivuori, H. (Hannele), Villa, P.M. (Pia M.), Reynolds, R.M. (Rebecca M.), Nystad, W. (Wenche), Håberg, S.E. (Siri E), London, S.J. (Stephanie J.), O’Donnell, K.J. (Kieran J.), Garg, E. (Elika), Meaney, M.J., Entringer, S., Wadhwa, P.D. (Pathik D.), Buss, C. (Claudia), Jones, M.J. (Meaghan J.), Lin, D.T.S. (David T. S.), MacIsaac, J.L. (Julie L.), Kobor, M.S. (Michael S.), Koen, N. (Nastassja), Zar, H.J., Koenen, M.E. (Marjorie), Dalvie, S. (Shareefa), Stein, D.J. (Dan), Kondofersky, I. (Ivan), Müller, N.S. (Nikola S.), Theis, F. (Fabian), Wray, N.R. (Naomi), Ripke, S. (Stephan), Mattheisen, M. (Manuel), Trzaskowski, M. (Maciej), Byrne, E.M. (Enda), Abdellaoui, A. (Abdel), Adams, M.J. (Mark J.), Agerbo, E. (Esben), Air, T.M. (Tracy M.), Andlauer, T.F.M. (Till F. M.), Bacanu, S.A. (Silviu), Bækvad-Hansen, M. (Marie), Beekman, A.T.F. (Aartjan), Bigdeli, T.B. (Tim B.), Blackwood, D.H.R. (Douglas), Bryois, J. (Julien), Buttenschøn, H.N. (Henriette N.), Bybjerg-Grauholm, J. (Jonas), Cai, N. (Na), Castelao, E. (Enrique), Christensen, J.H. (Jane Hvarregaard), Clarke, T.-K., Coleman, J.R.I. (Jonathan R. I.), Colodro-Conde, L. (Lucía), Couvy-Duchesne, B. (Baptiste), Craddock, N.J. (Nick), Crawford, G.E. (Gregory E.), Davies, G. (Gail), Deary, I.J. (Ian), Degenhardt, F., Derks, E.M. (Eske), Direk, N. (Nese), Dolan, C.V. (Conor), Dunn, E.C. (Erin C.), Eley, T.C. (T.), Escott-Price, V. (Valentina), Kiadeh, F.F.H. (Farnush Farhadi Hassan), Finucane, H.K. (Hilary K.), Forstner, A.J. (Andreas J.), Frank, J. (Josef), Gaspar, H.A. (Héléna A.), Gill, M. (Michael), Goes, F.S. (Fernando S.), Gordon, S.D. (Scott D.), Grove, J. (Jakob), Hall, L.S. (Lynsey S.), Hansen, C.S. (Christine Søholm), Hansen, T.F. (Thomas F.), Herms, S. (Stefan), Hickie, I.B. (Ian), Hoffmann, P. (Per), Homuth, G. (Georg), Horn, C. (Carsten), Hottenga, J.J. (Jouke Jan), Hougaard, D.M. (David M.), Ising, M. (Marcus), Jansen, R. (Rick), Jorgenson, E. (Eric), Knowles, J.A. (James A), Kohane, I.S., Kraft, J. (Julia), Kretzschmar, W.W. (Warren W.), Krogh, J. (Jesper), Kutalik, Z. (Zoltán), Li, Y. (Yihan), Lind, P.A. (Penelope), Macintyre, D.J. (Donald J), MacKinnon, D.F. (Dean F.), Maier, R.M. (Robert M.), Maier, W. (Wolfgang), Marchini, J. (Jonathan), Mbarek, H., McGrath, P. (Patrick), McGuffin, P. (Peter), Medland, S.E. (Sarah), Mehta, D. (Divya), Middeldorp, C.M. (Christel), Mihailov, E. (Evelin), Milaneschi, Y. (Yuri), Milani, L. (Lili), Mondimore, F.M. (Francis M.), Montgomery, G.W. (Grant), Mostafavi, S. (Sara), Mullins, N. (Niamh), Nauck, M. (Matthias), Ng, B. (Bernard), Nivard, M. (Michel), Nyholt, D.R. (Dale), O’Reilly, P.F. (Paul F.), Oskarsson, H. (Hogni), Owen, M.J. (Michael J.), Painter, J.N. (Jodie N.), Pedersen, C.B. (C.), Pedersen, M.G. (Marianne Giørtz), Peterson, R.E. (Roseann E.), Pettersson, E. (Erik), Peyrot, W.J. (Wouter ), Pistis, G. (Giorgio), Posthuma, D. (Danielle), Quiroz, J.A. (Jorge A.), Qvist, P. (Per), Rice, J.P. (John), Riley, B.P. (Brien P.), Rivera, M. (Margarita), Mirza, S.S. (Saira), Schoevers, R. (Robert), Schulte, E.C. (Eva C.), Shen, L. (Ling), Shi, J. (Jianxin), Shyn, S.I. (Stanley I), Sigurdsson, E. (Engilbert), Sinnamon, G.C.B. (Grant C. B.), Smith, A.V. (Davey), Smith, D.J. (Daniel J.), Stefansson, H. (Hreinn), Steinberg, S. (Stacy), Streit, F. (Fabian), Strohmaier, J. (Jana), Tansey, K.E., Teismann, H. (Henning), Teumer, A. (Alexander), Thompson, W.K. (Wesley K.), Thomson, P.A. (Pippa A.), Thorgeirsson, T.E. (Thorgeir E.), Traylor, M. (Matthew), Treutlein, J. (Jens), Trubetskoy, V. (Vassily), Uitterlinden, A.G. (André), Umbricht, D. (Daniel), Van der Auwera, S. (Sandra), van Hemert, A.M. (Albert M.), Viktorin, A. (Alexander), Visscher, P.M. (Peter M.), Wang, Y. (Yunpeng), Webb, B.T. (Bradley T.), Weinsheimer, S.M. (Shantel Marie), Wellmann, J. (Jürgen), Willemsen, G.A.H.M. (Gonneke), Witt, S.H. (Stephanie H), Wu, Y. (Yang), Xi, H.S. (Hualin S.), Yang, J. (Jian), Zhang, F. (Futao), Arolt, V. (Volker), Baune, B.T., Berger, K. (Klaus), Boomsma, D.I. (Dorret), Cichon, S. (Sven), Dannlowski, U. (Udo), Geus, E.J.C. (Eco) de, DePaulo, J.R. (J. Raymond), Domenici, E. (Enrico), Domschke, K. (Katharina), Esko, T. (Tõnu), Grabe, H.J. (Hans Jörgen), Hamilton, S.P. (Steven P), Hayward, C. (Caroline), Heath, A.C. (Andrew), Jablensky, A. (Assen), Kloiber, S. (Stefan), Lewis, G., Li, Q.S. (Qingqin S.), Lucae, S. (Susanne), Madden, P.A. (Pamela), Magnusson, P.K. (Patrik K.), Martin, N.G. (Nicholas), McIntosh, A.M. (Andrew M.), Metspalu, A. (Andres), Mors, O. (Ole), Mortensen, P.B. (Preben Bo), Müller-Myhsok, B. (B.), Nordentoft, M. (Merete), Nöthen, M.M. (Markus), O’Donovan, M.C. (Michael C.), Paciga, S.A. (Sara A.), Pedersen, N.L. (Nancy), Penninx, B.W.J.H. (Brenda), Perlis, R.H. (Roy H), Porteous, D.J. (David J.), Potash, J.B. (James B), Preisig, M. (Martin), Rietschel, M. (Marcella), Schaefer, C. (Catherine), Schulze, T.G. (Thomas G.), Smoller, J.W., Stefansson, K. (Kari), Tiemeier, H.W. (Henning), Uher, R. (Rudolf), Völzke, H. (Henry), Weissman, M.M., Werge, T. (Thomas), Lewis, C.M. (Cathryn), Levinson, D.F. (Douglas F.), Breen, G. (Gerome), Borglum, A.D. (Anders), Sullivan, P.F. (Patrick F.), Räikkönen, K. (Katri), and Binder, E.B. (Elisabeth)
Abstract: Epigenetic processes, including DNA methylation (DNAm), are among the mechanisms allowing integration of genetic and environmental factors to shape cellular function. While many studies have investigated either environmental or genetic contributions to DNAm, few have assessed their integrated effects. Here we examine the relative contributions of prenatal environmental factors and genotype on DNA methylation in neonatal blood at variably methylated regions (VMRs) in 4 independent cohorts (overall n = 2365). We use Akaike’s information criterion to test which factors best explain variability of methylation in the cohort-specific VMRs: several prenatal environmental factors (E), genotypes in cis (G), or their additive (G + E) or interaction (GxE) effects. Genetic and environmental factors in combination best explain DNAm at the majority of VMRs. The CpGs best explained by either G, G + E or GxE are functionally distinct. The enrichment of genetic variants from GxE models in GWAS for complex disorders supports their importance for disease risk.
Published: 2019
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17. Genomic Relationships, Novel Loci, and Pleiotropic Mechanisms across Eight Psychiatric Disorders

Author: Cross-Disorder Group of the Psychiatric Genomics Consortium, Lee, Phil H, Nivard, Michel G., Posthuma, Danielle, Derks, E.M., op Landt Slof, M.C.T., Boomsma, D.I., de Geus, Eco J.C., Hottenga, Jouke Jan, Mbarek, Hamdi, Middeldorp, C.M., W J H Penninx, Brenda, Cath, Danielle C, Denys, Damiaan, Neale, Benjamin M, Smoller, Jordan W, Cross-Disorder Group of the Psychiatric Genomics Consortium, Lee, Phil H, Nivard, Michel G., Posthuma, Danielle, Derks, E.M., op Landt Slof, M.C.T., Boomsma, D.I., de Geus, Eco J.C., Hottenga, Jouke Jan, Mbarek, Hamdi, Middeldorp, C.M., W J H Penninx, Brenda, Cath, Danielle C, Denys, Damiaan, Neale, Benjamin M, and Smoller, Jordan W
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/hyperactivity 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
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18. The Early Growth Genetics (EGG) and EArly Genetics and Lifecourse Epidemiology (EAGLE) consortia: design, results and future prospects

Author: Middeldorp, C.M., Felix, J.F., Mahajan, A., Ahluwalia, T.S., Auvinen, J., Bartels, M., Bilbao, J.R., Bisgaard, H., Bønnelykke, K., Boomsma, D.I., Bradfield, J.P., Bustamante, M., Chen, Z., Curtin, J.A., Custovic, A., Smith, G.D., Davies, G.E., Duijts, L., Eastwood, Peter, Eliasen, A.U., Estivill, X., Evans, D.M., Fedko, I.O., Gauderman, W.J., Gilliland, F., Granell, R., Grant, S.F.A., Guxens, M., Hakonarson, H., Hartman, C.A., Heinrich, J., Henders, A.K., Henderson, J., Holt, P., Hottenga, J.J., Hyppönen, E., Iñíguez, C., Jacobsson, B., Jaddoe, V.W.V., Järvelin, M.R., Jugessur, A., Kähönen, M., Kaprio, J., Karhunen, V., Kemp, J.P., Koppelman, G.H., Kumar, A., Lahti, J., Larsson, H., Lawlor, D.A., Lehtimäki, T., Li, J., Lichtenstein, P., Lundström, S., Lyytikäinen, L.P., Magnus, P., Mamun, A.A., Mannikko, M., Martin, N.G., Mbarek, H., Medland, S.E., Melén, E., Najman, J.M., Nivard, M.G., Nolte, I.M., Oldehinkel, A.J., Pahkala, K., Palviainen, T., Paternoster, L., Pennell, C.E., Pershagen, G., Pitkänen, N., Plomin, R., Pourcain, B.S., Power, C., Pulkkinen, L., Räikkönen, K., Raitakari, O.T., Richmond, R.C., Rivadeneira, F., Rose, R.J., Santa-Marina, L., Scott, J.G., Sebert, S., Selzam, S., Simpson, A., Sleiman, P.M.A., Snieder, H., Standl, M., Stoltenberg, C., Strachan, D.P., Straker, Leon, Strandberg, T., Sunyer, J., Thiering, E., Tiemeier, H., Timpson, N.J., Torrent, M., Uitterlinden, A.G., Middeldorp, C.M., Felix, J.F., Mahajan, A., Ahluwalia, T.S., Auvinen, J., Bartels, M., Bilbao, J.R., Bisgaard, H., Bønnelykke, K., Boomsma, D.I., Bradfield, J.P., Bustamante, M., Chen, Z., Curtin, J.A., Custovic, A., Smith, G.D., Davies, G.E., Duijts, L., Eastwood, Peter, Eliasen, A.U., Estivill, X., Evans, D.M., Fedko, I.O., Gauderman, W.J., Gilliland, F., Granell, R., Grant, S.F.A., Guxens, M., Hakonarson, H., Hartman, C.A., Heinrich, J., Henders, A.K., Henderson, J., Holt, P., Hottenga, J.J., Hyppönen, E., Iñíguez, C., Jacobsson, B., Jaddoe, V.W.V., Järvelin, M.R., Jugessur, A., Kähönen, M., Kaprio, J., Karhunen, V., Kemp, J.P., Koppelman, G.H., Kumar, A., Lahti, J., Larsson, H., Lawlor, D.A., Lehtimäki, T., Li, J., Lichtenstein, P., Lundström, S., Lyytikäinen, L.P., Magnus, P., Mamun, A.A., Mannikko, M., Martin, N.G., Mbarek, H., Medland, S.E., Melén, E., Najman, J.M., Nivard, M.G., Nolte, I.M., Oldehinkel, A.J., Pahkala, K., Palviainen, T., Paternoster, L., Pennell, C.E., Pershagen, G., Pitkänen, N., Plomin, R., Pourcain, B.S., Power, C., Pulkkinen, L., Räikkönen, K., Raitakari, O.T., Richmond, R.C., Rivadeneira, F., Rose, R.J., Santa-Marina, L., Scott, J.G., Sebert, S., Selzam, S., Simpson, A., Sleiman, P.M.A., Snieder, H., Standl, M., Stoltenberg, C., Strachan, D.P., Straker, Leon, Strandberg, T., Sunyer, J., Thiering, E., Tiemeier, H., Timpson, N.J., Torrent, M., and Uitterlinden, A.G.
Abstract: The impact of many unfavorable childhood traits or diseases, such as low birth weight and mental disorders, is not limited to childhood and adolescence, as they are also associated with poor outcomes in adulthood, such as cardiovascular disease. Insight into the genetic etiology of childhood and adolescent traits and disorders may therefore provide new perspectives, not only on how to improve wellbeing during childhood, but also how to prevent later adverse outcomes. To achieve the sample sizes required for genetic research, the Early Growth Genetics (EGG) and EArly Genetics and Lifecourse Epidemiology (EAGLE) consortia were established. The majority of the participating cohorts are longitudinal population-based samples, but other cohorts with data on early childhood phenotypes are also involved. Cohorts often have a broad focus and collect(ed) data on various somatic and psychiatric traits as well as environmental factors. Genetic variants have been successfully identified for multiple traits, for example, birth weight, atopic dermatitis, childhood BMI, allergic sensitization, and pubertal growth. Furthermore, the results have shown that genetic factors also partly underlie the association with adult traits. As sample sizes are still increasing, it is expected that future analyses will identify additional variants. This, in combination with the development of innovative statistical methods, will provide detailed insight on the mechanisms underlying the transition from childhood to adult disorders. Both consortia welcome new collaborations. Policies and contact details are available from the corresponding authors of this manuscript and/or the consortium websites.
Published: 2019

19. Collaborative meta-Analysis finds no evidence of a strong interaction between stress and 5-HTTLPR genotype contributing to the development of depression

Author: Culverhouse, R.C. Saccone, N.L. Horton, A.C. Ma, Y. Anstey, K.J. Banaschewski, T. Burmeister, M. Cohen-Woods, S. Etain, B. Fisher, H.L. Goldman, N. Guillaume, S. Horwood, J. Juhasz, G. Lester, K.J. Mandelli, L. Middeldorp, C.M. Olié, E. Villafuerte, S. Air, T.M. Araya, R. Bowes, L. Burns, R. Byrne, E.M. Coffey, C. Coventry, W.L. Gawronski, K.A.B. Glei, D. Hatzimanolis, A. Hottenga, J.-J. Jaussent, I. Jawahar, C. Jennen-Steinmetz, C. Kramer, J.R. Lajnef, M. Little, K. Zu Schwabedissen, H.M. Nauck, M. Nederhof, E. Petschner, P. Peyrot, W.J. Schwahn, C. Sinnamon, G. Stacey, D. Tian, Y. Toben, C. Van Der Auwera, S. Wainwright, N. Wang, J.-C. Willemsen, G. Anderson, I.M. Arolt, V. Aslund, C. Bagdy, G. Baune, B.T. Bellivier, F. Boomsma, D.I. Courtet, P. Dannlowski, U. De Geus, E.J.C. Deakin, J.F.W. Easteal, S. Eley, T. Fergusson, D.M. Goate, A.M. Gonda, X. Grabe, H.J. Holzman, C. Johnson, E.O. Kennedy, M. Laucht, M. Martin, N.G. Munafò, M.R. Nilsson, K.W. Oldehinkel, A.J. Olsson, C.A. Ormel, J. Otte, C. Patton, G.C. Penninx, B.W.J.H. Ritchie, K. Sarchiapone, M. Scheid, J.M. Serretti, A. Smit, J.H. Stefanis, N.C. Surtees, P.G. Völzke, H. Weinstein, M. Whooley, M. Nurnberger, J.I., Jr. Breslau, N. Bierut, L.J.
Abstract: The hypothesis that the S allele of the 5-HTTLPR serotonin transporter promoter region is associated with increased risk of depression, but only in individuals exposed to stressful situations, has generated much interest, research and controversy since first proposed in 2003. Multiple meta-Analyses combining results from heterogeneous analyses have not settled the issue. To determine the magnitude of the interaction and the conditions under which it might be observed, we performed new analyses on 31 data sets containing 38 802 European ancestry subjects genotyped for 5-HTTLPR and assessed for depression and childhood maltreatment or other stressful life events, and meta-Analysed the results. Analyses targeted two stressors (narrow, broad) and two depression outcomes (current, lifetime). All groups that published on this topic prior to the initiation of our study and met the assessment and sample size criteria were invited to participate. Additional groups, identified by consortium members or self-identified in response to our protocol (published prior to the start of analysis) with qualifying unpublished data, were also invited to participate. A uniform data analysis script implementing the protocol was executed by each of the consortium members. Our findings do not support the interaction hypothesis. We found no subgroups or variable definitions for which an interaction between stress and 5-HTTLPR genotype was statistically significant. In contrast, our findings for the main effects of life stressors (strong risk factor) and 5-HTTLPR genotype (no impact on risk) are strikingly consistent across our contributing studies, the original study reporting the interaction and subsequent meta-Analyses. Our conclusion is that if an interaction exists in which the S allele of 5-HTTLPR increases risk of depression only in stressed individuals, then it is not broadly generalisable, but must be of modest effect size and only observable in limited situations. © 2018 Macmillan Publishers Limited, part of Springer Nature. All rights reserved.
Published: 2018

20. Analysis of shared heritability in common disorders of the brain

Author: Anttila, V. Bulik-Sullivan, B. Finucane, H.K. Walters, R.K. Bras, J. Duncan, L. Escott-Price, V. Falcone, G.J. Gormley, P. Malik, R. Patsopoulos, N.A. Ripke, S. Wei, Z. Yu, D. Lee, P.H. Turley, P. Grenier-Boley, B. Chouraki, V. Kamatani, Y. Berr, C. Letenneur, L. Hannequin, D. Amouyel, P. Boland, A. Deleuze, J.-F. Duron, E. Vardarajan, B.N. Reitz, C. Goate, A.M. Huentelman, M.J. Ilyas Kamboh, M. Larson, E.B. Rogaeva, E. George-Hyslop, P.S. Hakonarson, H. Kukull, W.A. Farrer, L.A. Barnes, L.L. Beach, T.G. Yesim Demirci, F. Head, E. Hulette, C.M. Jicha, G.A. Kauwe, J.S.K. Kaye, J.A. Leverenz, J.B. Levey, A.I. Lieberman, A.P. Pankratz, V.S. Poon, W.W. Quinn, J.F. Saykin, A.J. Schneider, L.S. Smith, A.G. Sonnen, J.A. Stern, R.A. Van Deerlin, V.M. Van Eldik, L.J. Harold, D. Russo, G. Rubinsztein, D.C. Bayer, A. Tsolaki, M. Proitsi, P. Fox, N.C. Hampel, H. Owen, M.J. Mead, S. Passmore, P. Morgan, K. Nöthen, M.M. Rossor, M. Lupton, M.K. Hoffmann, P. Kornhuber, J. Lawlor, B. McQuillin, A. Al-Chalabi, A. Bis, J.C. Ruiz, A. Boada, M. Seshadri, S. Beiser, A. Rice, K. Van Der Lee, S.J. De Jager, P.L. Geschwind, D.H. Riemenschneider, M. Riedel-Heller, S. Rotter, J.I. Ransmayr, G. Hyman, B.T. Cruchaga, C. Alegret, M. Winsvold, B. Palta, P. Farh, K.-H. Cuenca-Leon, E. Furlotte, N. Kurth, T. Ligthart, L. Terwindt, G.M. Freilinger, T. Ran, C. Gordon, S.D. Borck, G. Adams, H.H.H. Lehtimäki, T. Wedenoja, J. Buring, J.E. Schürks, M. Hrafnsdottir, M. Hottenga, J.-J. Penninx, B. Artto, V. Kaunisto, M. Vepsäläinen, S. Martin, N.G. Montgomery, G.W. Kurki, M.I. Hämäläinen, E. Huang, H. Huang, J. Sandor, C. Webber, C. Muller-Myhsok, B. Schreiber, S. Salomaa, V. Loehrer, E. Göbel, H. Macaya, A. Pozo-Rosich, P. Hansen, T. Werge, T. Kaprio, J. Metspalu, A. Kubisch, C. Ferrari, M.D. Belin, A.C. Van Den Maagdenberg, A.M.J.M. Zwart, J.-A. Boomsma, D. Eriksson, N. Olesen, J. Chasman, D.I. Nyholt, D.R. Avbersek, A. Baum, L. Berkovic, S. Bradfield, J. Buono, R. Catarino, C.B. Cossette, P. De Jonghe, P. Depondt, C. Dlugos, D. Ferraro, T.N. French, J. Hjalgrim, H. Jamnadas-Khoda, J. Kälviäinen, R. Kunz, W.S. Lerche, H. Leu, C. Lindhout, D. Lo, W. Lowenstein, D. McCormack, M. Møller, R.S. Molloy, A. Ng, P.-W. Oliver, K. Privitera, M. Radtke, R. Ruppert, A.-K. Sander, T. Schachter, S. Schankin, C. Scheffer, I. Schoch, S. Sisodiya, S.M. Smith, P. Sperling, M. Striano, P. Surges, R. Neil Thomas, G. Visscher, F. Whelan, C.D. Zara, F. Heinzen, E.L. Marson, A. Becker, F. Stroink, H. Zimprich, F. Gasser, T. Gibbs, R. Heutink, P. Martinez, M. Morris, H.R. Sharma, M. Ryten, M. Mok, K.Y. Pulit, S. Bevan, S. Holliday, E. Attia, J. Battey, T. Boncoraglio, G. Thijs, V. Chen, W.-M. Mitchell, B. Rothwell, P. Sharma, P. Sudlow, C. Vicente, A. Markus, H. Kourkoulis, C. Pera, J. Raffeld, M. Silliman, S. Perica, V.B. Thornton, L.M. Huckins, L.M. William Rayner, N. Lewis, C.M. Gratacos, M. Rybakowski, F. Keski-Rahkonen, A. Raevuori, A. Hudson, J.I. Reichborn-Kjennerud, T. Monteleone, P. Karwautz, A. Mannik, K. Baker, J.H. O'Toole, J.K. Trace, S.E. Davis, O.S.P. Helder, S.G. Ehrlich, S. Herpertz-Dahlmann, B. Danner, U.N. Van Elburg, A.A. Clementi, M. Forzan, M. Docampo, E. Lissowska, J. Hauser, J. Tortorella, A. Maj, M. Gonidakis, F. Tziouvas, K. Papezova, H. Yilmaz, Z. Wagner, G. Cohen-Woods, S. Herms, S. Julia, A. Rabionet, R. Dick, D.M. Ripatti, S. Andreassen, O.A. Espeseth, T. Lundervold, A.J. Steen, V.M. Pinto, D. Scherer, S.W. Aschauer, H. Schosser, A. Alfredsson, L. Padyukov, L. Halmi, K.A. Mitchell, J. Strober, M. Bergen, A.W. Kaye, W. Szatkiewicz, J.P. Cormand, B. Ramos-Quiroga, J.A. Sánchez-Mora, C. Ribasés, M. Casas, M. Hervas, A. Arranz, M.J. Haavik, J. Zayats, T. Johansson, S. Williams, N. Dempfle, A. Rothenberger, A. Kuntsi, J. Oades, R.D. Banaschewski, T. Franke, B. Buitelaar, J.K. Vasquez, A.A. Doyle, A.E. Reif, A. Lesch, K.-P. Freitag, C. Rivero, O. Palmason, H. Romanos, M. Langley, K. Rietschel, M. Witt, S.H. Dalsgaard, S. Børglum, A.D. Waldman, I. Wilmot, B. Molly, N. Bau, C.H.D. Crosbie, J. Schachar, R. Loo, S.K. McGough, J.J. Grevet, E.H. Medland, S.E. Robinson, E. Weiss, L.A. Bacchelli, E. Bailey, A. Bal, V. Battaglia, A. Betancur, C. Bolton, P. Cantor, R. Celestino-Soper, P. Dawson, G. De Rubeis, S. Duque, F. Green, A. Klauck, S.M. Leboyer, M. Levitt, P. Maestrini, E. Mane, S. Moreno-De-Luca, D. Parr, J. Regan, R. Reichenberg, A. Sandin, S. Vorstman, J. Wassink, T. Wijsman, E. Cook, E. Santangelo, S. Delorme, R. Roge, B. Magalhaes, T. Arking, D. Schulze, T.G. Thompson, R.C. Strohmaier, J. Matthews, K. Melle, I. Morris, D. Blackwood, D. McIntosh, A. Bergen, S.E. Schalling, M. Jamain, S. Maaser, A. Fischer, S.B. Reinbold, C.S. Fullerton, J.M. Guzman-Parra, J. Mayoral, F. Schofield, P.R. Cichon, S. Mühleisen, T.W. Degenhardt, F. Schumacher, J. Bauer, M. Mitchell, P.B. Gershon, E.S. Rice, J. Potash, J.B. Zandi, P.P. Craddock, N. Nicol Ferrier, I. Alda, M. Rouleau, G.A. Turecki, G. Ophoff, R. Pato, C. Anjorin, A. Stahl, E. Leber, M. Czerski, P.M. Cruceanu, C. Jones, I.R. Posthuma, D. Andlauer, T.F.M. Forstner, A.J. Streit, F. Baune, B.T. Air, T. Sinnamon, G. Wray, N.R. MacIntyre, D.J. Porteous, D. Homuth, G. Rivera, M. Grove, J. Middeldorp, C.M. Hickie, I. Pergadia, M. Mehta, D. Smit, J.H. Jansen, R. De Geus, E. Dunn, E. Li, Q.S. Nauck, M. Schoevers, R.A. Beekman, A.T.F. Knowles, J.A. Viktorin, A. Arnold, P. Barr, C.L. Bedoya-Berrio, G. Joseph Bienvenu, O. Brentani, H. Burton, C. Camarena, B. Cappi, C. Cath, D. Cavallini, M. Cusi, D. Darrow, S. Denys, D. Derks, E.M. Dietrich, A. Fernandez, T. Figee, M. Freimer, N. Gerber, G. Grados, M. Greenberg, E. Hanna, G.L. Hartmann, A. Hirschtritt, M.E. Hoekstra, P.J. Huang, A. Huyser, C. Illmann, C. Jenike, M. Kuperman, S. Leventhal, B. Lochner, C. Lyon, G.J. Macciardi, F. Madruga-Garrido, M. Malaty, I.A. Maras, A. McGrath, L. Miguel, E.C. Mir, P. Nestadt, G. Nicolini, H. Okun, M.S. Pakstis, A. Paschou, P. Piacentini, J. Pittenger, C. Plessen, K. Ramensky, V. Ramos, E.M. Reus, V. Richter, M.A. Riddle, M.A. Robertson, M.M. Roessner, V. Rosário, M. Samuels, J.F. Sandor, P. Stein, D.J. Tsetsos, F. Van Nieuwerburgh, F. Weatherall, S. Wendland, J.R. Wolanczyk, T. Worbe, Y. Zai, G. Goes, F.S. McLaughlin, N. Nestadt, P.S. Grabe, H.-J. Depienne, C. Konkashbaev, A. Lanzagorta, N. Valencia-Duarte, A. Bramon, E. Buccola, N. Cahn, W. Cairns, M. Chong, S.A. Cohen, D. Crespo-Facorro, B. Crowley, J. Davidson, M. DeLisi, L. Dinan, T. Donohoe, G. Drapeau, E. Duan, J. Haan, L. Hougaard, D. Karachanak-Yankova, S. Khrunin, A. Klovins, J. Kučinskas, V. Keong, J.L.C. Limborska, S. Loughland, C. Lönnqvist, J. Maher, B. Mattheisen, M. McDonald, C. Murphy, K.C. Nenadic, I. Van Os, J. Pantelis, C. Pato, M. Petryshen, T. Quested, D. Roussos, P. Sanders, A.R. Schall, U. Schwab, S.G. Sim, K. So, H.-C. Stögmann, E. Subramaniam, M. Toncheva, D. Waddington, J. Walters, J. Weiser, M. Cheng, W. Cloninger, R. Curtis, D. Gejman, P.V. Henskens, F. Mattingsdal, M. Oh, S.-Y. Scott, R. Webb, B. Breen, G. Churchhouse, C. Bulik, C.M. Daly, M. Dichgans, M. Faraone, S.V. Guerreiro, R. Holmans, P. Kendler, K.S. Koeleman, B. Mathews, C.A. Price, A. Scharf, J. Sklar, P. Williams, J. Wood, N.W. Cotsapas, C. Palotie, A. Smoller, J.W. Sullivan, P. Rosand, J. Corvin, A. Neale, B.M. The Brainstorm Consortium
Abstract: Disorders of the brain can exhibit considerable epidemiological comorbidity and often share symptoms, provoking debate about their etiologic overlap. We quantified the genetic sharing of 25 brain disorders from genome-wide association studies of 265,218 patients and 784,643 control participants and assessed their relationship to 17 phenotypes from 1,191,588 individuals. Psychiatric disorders share common variant risk, whereas neurological disorders appear more distinct from one another and from the psychiatric disorders. We also identified significant sharing between disorders and a number of brain phenotypes, including cognitive measures. Further, we conducted simulations to explore how statistical power, diagnostic misclassification, and phenotypic heterogeneity affect genetic correlations. These results highlight the importance of common genetic variation as a risk factor for brain disorders and the value of heritability-based methods in understanding their etiology. © 2018 American Association for the Advancement of Science. All rights reserved.
Published: 2018

21. Genetica en psychische stoornissen op de kinderleeftijd: erfelijkheid en de zoektocht naar genen

Author: Middeldorp, C.M., Biological Psychology, and Neuroscience Campus Amsterdam - Neurobiology of Mental Health
Published: 2015

22. Corrigendum to 'Spousal resemblance for smoking: Underlying mechanisms and effects of cohort and age' [Drug Alcohol Depend. 153 (2015) 221-228]

Author: Treur, J.L., Vink, J.M., Boomsma, D.I., Middeldorp, C.M., Treur, J.L., Vink, J.M., Boomsma, D.I., and Middeldorp, C.M.
Abstract: Item does not contain fulltext
Published: 2018

23. Genetic and environmental influences on conduct and antisocial personality problems in childhood, adolescence, and adulthood

Author: Wesseldijk, L.W., Bartels, M., Vink, J.M., Beijsterveldt, C.E.M. van, Ligthart, R.S.L., Boomsma, D.I., Middeldorp, C.M., Wesseldijk, L.W., Bartels, M., Vink, J.M., Beijsterveldt, C.E.M. van, Ligthart, R.S.L., Boomsma, D.I., and Middeldorp, C.M.
Abstract: Contains fulltext : 195163.pdf (publisher's version ) (Open Access), Conduct problems in children and adolescents can predict antisocial personality disorder and related problems, such as crime and conviction. We sought an explanation for such predictions by performing a genetic longitudinal analysis. We estimated the effects of genetic, shared environmental, and unique environmental factors on variation in conduct problems measured at childhood and adolescence and antisocial personality problems measured at adulthood and on the covariation across ages. We also tested whether these estimates differed by sex. Longitudinal data were collected in the Netherlands Twin Register over a period of 27 years. Age appropriate and comparable measures of conduct and antisocial personality problems, assessed with the Achenbach System of Empirically Based Assessment, were available for 9783 9-10-year-old, 6839 13-18-year-old, and 7909 19-65-year-old twin pairs, respectively; 5114 twins have two or more assessments. At all ages, men scored higher than women. There were no sex differences in the estimates of the genetic and environmental influences. During childhood, genetic and environmental factors shared by children in families explained 43 and 44% of the variance of conduct problems, with the remaining variance due to unique environment. During adolescence and adulthood, genetic and unique environmental factors equally explained the variation. Longitudinal correlations across age varied between 0.20 and 0.38 and were mainly due to stable genetic factors. We conclude that shared environment is mainly of importance during childhood, while genetic factors contribute to variation in conduct and antisocial personality problems at all ages, and also underlie its stability over age.
Published: 2018

24. Risk factors for parental psychopathology

Author: Wesseldijk, L.W. (Laura W.), Dieleman, G.C. (Gwen), Steensel, F.J.A. van, Bartels, M. (Meike), Hudziak, J.J. (James), Lindauer, R.J. L. (Ramón), Bögels, S.M. (Susan), Middeldorp, C.M. (Christel), Wesseldijk, L.W. (Laura W.), Dieleman, G.C. (Gwen), Steensel, F.J.A. van, Bartels, M. (Meike), Hudziak, J.J. (James), Lindauer, R.J. L. (Ramón), Bögels, S.M. (Susan), and Middeldorp, C.M. (Christel)
Abstract: The parents of children with psychopathology are at increased risk for psychiatric symptoms. To investigate which parents are mostly at risk, we assessed in a clinical sample of families with children with psychopathology, whether parental symptom scores can be predicted by offspring psychiatric diagnoses and other child, parent and family characteristics. Parental depressive, anxiety, avoidant personality, attention-deficit/hyperactivity (ADHD), and antisocial personality symptoms were measured with the Adult Self Report in 1805 mothers and 1361 fathers of 1866 children with a psychiatric diagnosis as assessed in a child and adolescent psychiatric outpatient clinic. In a multivariate model, including all parental symptom scores as outcome variables, all offspring psychiatric diagnoses, offspring comorbidity and age, parental age, parental educational attainment, employment, and relationship status were simultaneously tested as predictors. Both 35.7% of mothers and 32.8% of fathers scored (sub)clinical for at least one symptom domain, mainly depressive symptoms, ADHD symptoms or, only in fathers, avoidant personality symptoms. Parental psychiatric symptoms were predicted by unemployment. Parental depressive and ADHD symptoms were further predicted by offspring depression and offspring ADHD, respectively, as well as by not living together with the other parent. Finally, parental avoidant personality symptoms were also predicted by offspring autism spectrum disorders. In families with children referred to child and adolescent psychiatric outpatient clinics, parental symptom scores are associated with adverse circumstances and with similar psychopathology in their offspring. This signifies, without implying causality, that some families are particularly vulnerable, with multiple family members affected and living in adverse circumstances.
Published: 2018
Full Text: View/download PDF

25. Childhood aggression and the co-occurrence of behavioural and emotional problems

Author: Bartels, M. (Meike), Hendriks, A. (Anne), Mauri, M. (Matteo), Krapohl, E. (Eva), Whipp, A. (Alyce), Bolhuis, K. (Koen), Conde, L.C. (Lucia Colodro), Luningham, J. (Justin), Fung Ip, H. (Hill), Hagenbeek, F. (Fiona), Roetman, P. (Peter), Gatej, R. (Raluca), Lamers, A. (Audri), Nivard, M. (Michel), Dongen, J. (Jenny) van, Lu, Y. (Yi), Middeldorp, C.M. (Christel), Beijsterveldt, C.E.M. (Toos) van, Vermeiren, R.R.J.M. (Robert R.J.M.), Hankemeijer, T. (Thomas), Kluft, C. (Cees), Medland, S.E. (Sarah), Lundström, S. (Sebastian), Rose, R.J. (Richard), Pulkkinen, L. (Lea), Vuoksimaa, E. (Eero), Korhonen, T. (Tellervo), Martin, N.G. (Nicholas), Lubke, G.H. (Gitta), Finkenauer, C. (Catrin), Fanos, V. (Vassilios), Tiemeier, H.W. (Henning), Lichtenstein, P. (Paul), Plomin, R. (Robert), Kaprio, J. (Jaakko), Boomsma, D.I. (Dorret), Bartels, M. (Meike), Hendriks, A. (Anne), Mauri, M. (Matteo), Krapohl, E. (Eva), Whipp, A. (Alyce), Bolhuis, K. (Koen), Conde, L.C. (Lucia Colodro), Luningham, J. (Justin), Fung Ip, H. (Hill), Hagenbeek, F. (Fiona), Roetman, P. (Peter), Gatej, R. (Raluca), Lamers, A. (Audri), Nivard, M. (Michel), Dongen, J. (Jenny) van, Lu, Y. (Yi), Middeldorp, C.M. (Christel), Beijsterveldt, C.E.M. (Toos) van, Vermeiren, R.R.J.M. (Robert R.J.M.), Hankemeijer, T. (Thomas), Kluft, C. (Cees), Medland, S.E. (Sarah), Lundström, S. (Sebastian), Rose, R.J. (Richard), Pulkkinen, L. (Lea), Vuoksimaa, E. (Eero), Korhonen, T. (Tellervo), Martin, N.G. (Nicholas), Lubke, G.H. (Gitta), Finkenauer, C. (Catrin), Fanos, V. (Vassilios), Tiemeier, H.W. (Henning), Lichtenstein, P. (Paul), Plomin, R. (Robert), Kaprio, J. (Jaakko), and Boomsma, D.I. (Dorret)
Abstract: Childhood aggression and its resulting consequences inflict a huge burden on affected children, their relatives, teachers, peers and society as a whole. Aggression during childhood rarely occurs in isolation and is correlated with other symptoms of childhood psychopathology. In this paper, we aim to describe and improve the understanding of the co-occurrence of aggression with other forms of childhood psychopa
Published: 2018
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26. Behavior Genetics: From Heritability to Gene Finding

Author: Nivard, M.G., Dolan, C.V., Middeldorp, C.M., Boomsma, D.I., Cacioppo, J.T., Tassinary, L.G., Berntson, G.G., Biological Psychology, Amsterdam Neuroscience - Mood, Anxiety, Psychosis, Stress & Sleep, APH - Methodology, and APH - Mental Health
Subjects: Netherlands Twin Register (NTR)
Published: 2017

27. EAGLE consortium. CAPICE: Childhood and Adolescence Psychopathology: unravelling the complex etiology by a large Interdisciplinary Collaboration in Europe

Author: Middeldorp, C.M., Biological Psychology, and Amsterdam Neuroscience - Mood, Anxiety, Psychosis, Stress & Sleep
Published: 2017

28. Evidence for three genetic loci involved in both anorexia nervosa risk and variation of body mass index

Author: Hinney, A. (Anke), Kesselmeier, M. (M.), Jall, S. (S.), Volckmar, A.-L. (A. L.), Föcker, M. (M.), Antel, J. (J.), Heid, I.M. (Iris), Winkler, T.W. (Thomas W.), Grant, S.F.A. (S. F.A.), Guo, Y. (Yongli), Bergen, A.W. (Andrew), Grant, S.F.A. (Struan), Berrettini, W. (Wade), Hakonarson, H. (Hakon), Herpertz-Dahlmann, B. (B.), De Zwaan, M. (M.), Herzog, W. (W.), Ehrlich, S.M. (Stefan), Zipfel, S. (S.), Egberts, K. (Karin), Adan, R. (R.), Brandys, M. (M.), Elburg, A.A. (Annemarie) van, Boraska Perica, V. (V.), Müller, T.D., Tschöp, M.H. (M. H.), Zeggini, E. (Eleftheria), Bulik, C.M. (C. M.), Collier, D.A. (David), Scherag, A. (A.), Hebebrand, J. (J.), Tschop, M. (Matthias), Floyd, J. (Jamie), Thornton, L.M. (Laura), Huckins, L.M. (Laura M), Southam, L. (Lorraine), Rayner, N.W. (Nigel William), Tachmazidou, I. (Ioanna), Klump, K.L. (K. L.), Treasure, J. (Janet), Lewis, C.M. (Cathryn), Schmidt, U. (Ulrike), Tozzi, F. (Federica), Iezebrink, K. (Kirsty), Gorwood, P. (Philip), Kas, M.J.H. (Martien), Favaro, A. (Angela), Santonastaso, P. (Paolo), Fernández-Aranda, F. (Fernando), Gratacos, M. (Monica), Rybakowski, F. (Filip), Dmitrzak-Weglarz, M. (Monika), Kaprio, J. (Jaakko), Keski-Rahkonen, A. (Anna), Raevuori-Helkamaa, A. (Anu), Furth, E.F. (Eric) van, Slof-Op’t Landt, M.C.T. (Margarita C. T.), Hudson, J.I. (James I), Knudsen, G.P.S. (Gun Peggy S.), Monteleone, P. (Palmiero), Kaplan, A.S. (Allan S), Karwautz, A. (Andreas), Li, D. (Dong), Komaki, G. (Gen), Ando, T. (Tetsuya), Inoko, H. (Hidetoshi), Esko, T. (T.), Fischer, K. (Krista), Männik, K. (Katrin), Metspalu, A. (Andres), Baker, J.H. (Jessica H), Cone, R.D. (Roger D), Esko, T. (Tõnu), DeSocio, J.E. (Janiece E), Hilliard, C.E. (Christopher E), O’Toole, J.K. (Julie K), Pantel, J. (Jacques), Szatkiewicz, J.P. (Jin P), Taico, C. (Chrysecolla), Zerwas, S. (Stephanie), Trace, S.E. (Sara E), Davis, O.S.P. (Oliver S.), Helder, S. (Sietske), Bühren, K. (Katharina), Burghardt, R. (Roland), Imgart, H. (Hartmut), Scherag, A. (Andre), Boni, C. (Claudette), Ramoz, N. (Nicolas), Versini, A. (Audrey), Danner, U.N. (Unna N), de Kove, C. (Carolien), Hendriks, J. (Judith), Koeleman, B.P.C. (Bobby P. C.), Ophoff, R.A. (Roel), Strengman, E. (Eric), Bruson, A. (Alice), Clementi, M. (Maurizio), Degortes, D. (Daniela), Forzan, M. (Monica), Tenconi, E. (Elena), Docampo, E. (Elisa), Jiménez-Murcia, G.E.S. (Geòrgia Escaramí Susana), Lissowska, J. (Jolanta), Rajewski, A. (Andrzej), Szeszenia-Dabrowska, N. (Neonila), Slopien, A. (Agnieszka), Hauser, J. (J.), Karhunen, L. (Leila), Meulenbelt, I. (Ingrid), Slagboom, P.E. (Eline), Tortorella, A. (Alfonso), Maj, M. (Mario), Dedoussis, G.V. (George), Dedoussis, G.V. (G. V.), Koeleman, B.P.C. (Bobby), Gonidakis, F. (Fragiskos), Tziouvas, K. (Konstantinos), Tsitsika, A. (Artemis), Papezova, H. (Hana), Slachtova, L. (Lenka), Martaskova, D. (Debora), Kennedy, J.L., Levitan, R.D. (Robert D), Yilmaz, Z. (Zeynep), Huemer, J. (Julia), Koubek, D. (Doris), Merl, E. (Elisabeth), Wagner, G. (Gudrun), Lichtenstein, P. (Paul), Breen, G. (Gerome), Cohen-Woods, S. (Sarah), Farmer, A.E. (Anne E), Mcguffin, P. (Peter), Cichon, S. (Sven), Giegling, I. (Ina), Herms, S. (Stefan), Rujescu, D. (Dan), Schreiber, S. (Stefan), Wichmann, H.E. (Heinz Erich), Sladek, R. (Rob), Gambaro, G. (Giovanni), Soranzo, N. (Nicole), Julia, A. (Antonio), Marsal, S. (Sara), Rabionet, R. (Raquel), Gaborieau, V. (Valerie), Dick, D.M. (Danielle), Palotie, A. (A.), Ripatti, S. (Samuli), Widen, E., Espeseth, T. (Thomas), Lundervold, A.J. (Astri), Reinvang, I. (Ivar), Steen, V.M. (Vidar), Le Hellard, S. (Stephanie), Mattingsdal, M. (Morten), Ntalla, I. (Ioanna), Bencko, V. (Vladimir), Foretova, L. (Lenka), Janout, V. (Vladimir), Navratilova, M. (Marie), Pinto, D. (Dalila), Scherer, S.W. (Stephen W), Carlberg, L. (Laura), Schosser, A. (Alexandra), Alfredsson, L. (Lars), Pinto, D. (Duane), Scherer, S.W. (Stephen), Padyukov, L. (Leonid), Finan, C. (Chris), Kalsi, G. (Gursharan), Roberts, M. (Marion), Logan, D.W. (Darren W), Peltonen, L. (Leena Johanna), Ritchie, G.R.S. (Graham R.S.), Barrett, J.C. (Jeffrey), Estivill, X. (Xavier), Sullivan, P.F. (Patrick), Anderson, C.A. (Carl A), McGinnis, R. (Ralph), Sambrook, J. (Jennifer), Stephens, J. (Jonathan), Ouwehand, W.H. (Willem), McArdle, P.F. (P. F.), Ring, S.M. (Susan), Strachan, D.P. (David), Alexander, G. (Graeme), Conlon, P.J. (Peter J), Dominiczak, A. (Anna), Duncanson, A. (Audrey), Padyukov, L. (L.), Langford, C. (Cordelia), Lord, G. (Graham), Conlon, P. (Peter), Sandford, R. (Richard), Sheerin, N. (Neil), Vannberg, F.O. (Frederik O), Blackburn, H. (Hannah), Maxwell, A.P. (A.), Edkins, T. (Ted), Gillman, M.W. (Matthew W.), Gray, E. (Emma), Hunt, S.E. (Sarah E), Nengut, S.-G. (Suna-Gumuscu), Potter, S.C. (Simon), Rich, S.S. (Stephen), Simpkin, D. (Douglas), Whittaker, P. (Pamela), Ang, W.Q. (Wei), Atalay, M. (Mustafa), Beijsterveldt, C.E.M. (Toos) van, Bergen, N. (N.), Benke, K. (K.), Berry, D. (Diane), Boomsma, D.I. (Dorret), Bradfield, J.P. (Jonathan), Charoen, P. (Pimphen), Coin, L. (Lachlan), Cooper, C. (C.), Cousminer, D.L. (Diana), Das, S. (Shikta), Elliott, P. (P.), Evans, D.M. (D. M.), Feenstra, B. (B.), Flexeder, C. (Claudia), Frayling, T.M. (Timothy), Freathy, R.M. (Rachel), Gaillard, R. (R.), Geller, F. (Frank), Groen-Blokhuis, M. (Maria), Goh, L.K. (L. K.), Guxens Junyent, M. (Mònica), Hattersley, A.T. (Andrew), Haworth, C.M.A. (Claire M.), Hadley, D. (D.), Heinrich, J. (J.), Hirschhorn, J.N. (Joel), Hocher, B. (Berthold), Holloway, J.W. (J. W.), Holst, J.J., Hottenga, J.J. (Jouke Jan), Horikoshi, M. (Momoko), Huikari, V. (Ville), Hypponen, E. (E.), Iñiguez, C. (C.), Jaddoe, V.W. (V. W.), Jarvelin, M.R. (M. R.), Kaakinen, M. (M.), Kilpeläinen, T.O. (Tuomas), Hypponen, E. (Elina), Kowgier, M. (Matthew), Lakka, T.A. (Timo), Cooper, C. (Charles), Lange, L.A. (Leslie), Lawlor, D.A. (D. A.), Lehtimäki, T. (Terho), Lewin, A. (Alex), Elliott, P. (Paul), Lindi, V. (Virpi), Maggi, R. (Reedik), Feenstra, B. (Bjarke), McCarthy, M.I. (M. I.), Melbye, M. (Mads), Middeldorp, C.M. (Christel), Millwood, I.Y. (Iona), Mohlke, K.L. (Karen), Mook-Kanamori, D.O. (D. O.), Murray, J.C. (Jeffrey), Nivard, M. (Michel), Nohr, C. (Christian), Oken, E. (Emily), Ong, K.K. (K. K.), O'Reilly, P.F. (P. F.), Palmer, C. (Cameron), Panoutsopoulou, K. (K.), Pararajasingham, J. (Jennifer), Pearson, E.R. (E. R.), Pennell, C.E. (Craig), Power, C. (Christopher), Price, T.S. (Thomas), Prokopenko, I. (Inga), Raitakari, O.T. (O. T.), Rodriguez, A. (A.), Salem, R.M. (Rany), Saw, S.M. (S. M.), Sebert, S. (S.), Siitonen, N. (Niina), Jaddoe, V.W.V. (Vincent), Sørensen, T.I.A. (Thorkild), Sovio, U. (Ulla), Lawlor, D.A. (Debbie), Sunyer, J. (J.), Taal, H.R. (Rob), Teo, Y.Y. (Y. Y.), Thiering, E. (Elisabeth), Tiesler, C. (C.), Timpson, N.J. (Nicholas), Uitterlinden, A.G. (André), Valcárcel, B. (Beatriz), Teo, Y.Y. (Yik Ying), White, S.J. (Stefan), Willemsen, G.A.H.M. (Gonneke), Wilson, J.F. (J. F.), Yaghootkar, H. (H.), Elks, C.E. (Cathy), Perry, J.R. (J. R.), Sulem, P. (Patrick), Chasman, D.I. (Daniel), Franceschini, N. (Nora), He, C. (C.), Lunetta, K.L. (Kathryn), Visser, J.A. (Jenny), Byrne, E.M. (E. M.), Gudbjartsson, D.F. (Daniel), Koller, D.L. (Daniel), Kutalik, Z. (Zoltán), Lin, P. (P.), Mangino, M. (Massimo), Byrne, E.M. (Enda), Smith, A.V. (Albert), Stolk, L. (Lisette), Wingerden, S. (Sophie) van, Zhao, J.H. (J. H.), Albrecht, E. (Eva), Corre, T. (Tanguy), Ingelsson, E. (Erik), Hayward, C. (Caroline), Magnusson, P.K. (Patrik), Smith, A.V. (Davey), Chanock, S.J. (Stephen), Warrington, M. (M.), Zgaga, L. (L.), Alavere, H. (Helene), Amin, N. (Najaf), Aspelund, T. (T.), Ulivi, S. (Shelia), Sunyer, J. (Jordi), Berenson, G. (Gerald), Bergmann, S.M. (Sven), Boerwinkle, E. (E.), Buring, J.E. (Julie), Busonero, F. (F.), Barroso, I.E. (Inês), Chanock, S.J. (S. J.), Warrington, N.M. (Nicole), Couper, D.J. (David), Coviello, A.D. (Andrea), Busonero, F., Faire, U. (Ulf) de, de Geus, E.J. (E. J.), Deloukas, P. (Panagiotis), Döring, A. (Angela), Davey Smith, G. (G.), Adamo, P. (Pio) d', Eiriksdottir, G. (Gudny), Geus, E.J.C. (Eco) de, Hagen, K. (Knut), Ferrucci, L. (L.), Folsom, A.R. (A. R.), Foroud, T. (T.), Garcia, M.E. (M.), Gasparini, P. (P.), Gieger, C. (Christian), Gudnason, V. (V.), Folsom, A.R. (Aaron), Hankinson, S.E. (S. E.), Ferreli, L. (Liana), Gasparini, P. (Paolo), Hernandez, D.G. (Dena), Hofman, A. (Albert), Hu, F.B. (F. B.), Illig, T. (T.), Jarvelin, M.-R. (Marjo-Riitta), Johnson, A.D. (Andrew), Karasik, D. (David), Khaw, K.T. (K. T.), Kiel, D.P. (Douglas P.), Kolcic, I. (Ivana), Kraft, P. (Peter), Launer, L.J. (Lenore), Laven, J.S. (J. S.), Li, S. (S.), Liu, J. (J.), Levy, D. (D.), Martin, N.G. (N. G.), Aspelund, T. (Thor), Nalls, M.A. (Michael), Navarro, P. (Pau), Nelis, M. (M.), Ness, A.R. (A. R.), Boerwinkle, E.A. (Eric), Oostra, B.A. (Ben), Peacock, M. (M.), Pare, G. (Guillame), Parker, A.N. (Alex), Pedersen, N.L. (Nancy), Cornelis, M. (Marilyn), Polasek, O. (Ozren), Plump, A.S. (A. S.), Peacock, M. (Munro), Porcu, E. (Eleonora), Rafnar, T. (Thorunn), Rice, J.P. (John), Rivadeneira, F. (F.), Sala, C. (Cinzia), Salomaa, V. (Veikko), Sanna, S. (Serena), Schlessinger, D. (D.), Scuteri, A. (A.), Segrè, A.V. (Ayellet), Foroud, T. (Tatiana), Srinivasan, S.R. (Sathanur), Tammesoo, M.L. (M. L.), Tikkanen, E. (Emmi), Toniolo, D. (Daniela), Scuteri, A. (Angelo), Tryggvadottir, L. (Laufey), Tyrer, J. (J.), Uda, M. (M.), van Dam, R.M. (R. M.), Meurs, J.B.J. (Joyce) van, Vollenweider, P. (Peter), Waeber, G. (Gérard), Wareham, N.J. (Nick), Waterworth, D. (Dawn), Weedon, M.N. (Michael), Wright, A.F. (Alan), Young, L. (L.), Zhai, G. (G.), Zhuang, W.V. (W. V.), Bierut, L.J. (L. J.), Boyd, H.A. (H. A.), Crisponi, L. (Laura), Demerath, E.W. (E. W.), Duijn, C.M. (Cornelia) van, Econs, M.J. (M. J.), Harris, T.B. (Tamara), Bierut, L.J. (Laura), Loos, R.J.F. (Ruth), Ridker, P.M. (Paul), Demerath, E.W. (Ellen), Streeten, E.A. (Elizabeth), Econs, M.J. (Michael), Thorsteinsdottir, U. (Unnur), Widen, E. (E.), Murabito, J. (Joanne), Ness, A.R. (Andrew), Spector, T.D. (Timothy), Crawford, S. (Steve), Crow, S. (Scott), Fichter, M.M. (M. M.), Halmi, K.A. (K. A.), Palotie, A. (Aarno), La Via, M. (Maria), Mitchell, J. (James), Strober, M. (Michael), Rotondo, A. (Alessandro), Woodside, D.B. (D Blake), Keel, P. (Pamela), Lilenfeld, L. (Lisa), Rivadeneira Ramirez, F. (Fernando), Magistretti, P. (Pierre), Montgomery, G.W. (G. W.), Hinney, A. (Anke), Kesselmeier, M. (M.), Jall, S. (S.), Volckmar, A.-L. (A. L.), Föcker, M. (M.), Antel, J. (J.), Heid, I.M. (Iris), Winkler, T.W. (Thomas W.), Grant, S.F.A. (S. F.A.), Guo, Y. (Yongli), Bergen, A.W. (Andrew), Grant, S.F.A. (Struan), Berrettini, W. (Wade), Hakonarson, H. (Hakon), Herpertz-Dahlmann, B. (B.), De Zwaan, M. (M.), Herzog, W. (W.), Ehrlich, S.M. (Stefan), Zipfel, S. (S.), Egberts, K. (Karin), Adan, R. (R.), Brandys, M. (M.), Elburg, A.A. (Annemarie) van, Boraska Perica, V. (V.), Müller, T.D., Tschöp, M.H. (M. H.), Zeggini, E. (Eleftheria), Bulik, C.M. (C. M.), Collier, D.A. (David), Scherag, A. (A.), Hebebrand, J. (J.), Tschop, M. (Matthias), Floyd, J. (Jamie), Thornton, L.M. (Laura), Huckins, L.M. (Laura M), Southam, L. (Lorraine), Rayner, N.W. (Nigel William), Tachmazidou, I. (Ioanna), Klump, K.L. (K. L.), Treasure, J. (Janet), Lewis, C.M. (Cathryn), Schmidt, U. (Ulrike), Tozzi, F. (Federica), Iezebrink, K. (Kirsty), Gorwood, P. (Philip), Kas, M.J.H. (Martien), Favaro, A. (Angela), Santonastaso, P. (Paolo), Fernández-Aranda, F. (Fernando), Gratacos, M. (Monica), Rybakowski, F. (Filip), Dmitrzak-Weglarz, M. (Monika), Kaprio, J. (Jaakko), Keski-Rahkonen, A. (Anna), Raevuori-Helkamaa, A. (Anu), Furth, E.F. (Eric) van, Slof-Op’t Landt, M.C.T. (Margarita C. T.), Hudson, J.I. (James I), Knudsen, G.P.S. (Gun Peggy S.), Monteleone, P. (Palmiero), Kaplan, A.S. (Allan S), Karwautz, A. (Andreas), Li, D. (Dong), Komaki, G. (Gen), Ando, T. (Tetsuya), Inoko, H. (Hidetoshi), Esko, T. (T.), Fischer, K. (Krista), Männik, K. (Katrin), Metspalu, A. (Andres), Baker, J.H. (Jessica H), Cone, R.D. (Roger D), Esko, T. (Tõnu), DeSocio, J.E. (Janiece E), Hilliard, C.E. (Christopher E), O’Toole, J.K. (Julie K), Pantel, J. (Jacques), Szatkiewicz, J.P. (Jin P), Taico, C. (Chrysecolla), Zerwas, S. (Stephanie), Trace, S.E. (Sara E), Davis, O.S.P. (Oliver S.), Helder, S. (Sietske), Bühren, K. (Katharina), Burghardt, R. (Roland), Imgart, H. (Hartmut), Scherag, A. (Andre), Boni, C. (Claudette), Ramoz, N. (Nicolas), Versini, A. (Audrey), Danner, U.N. (Unna N), de Kove, C. (Carolien), Hendriks, J. (Judith), Koeleman, B.P.C. (Bobby P. C.), Ophoff, R.A. (Roel), Strengman, E. (Eric), Bruson, A. (Alice), Clementi, M. (Maurizio), Degortes, D. (Daniela), Forzan, M. (Monica), Tenconi, E. (Elena), Docampo, E. (Elisa), Jiménez-Murcia, G.E.S. (Geòrgia Escaramí Susana), Lissowska, J. (Jolanta), Rajewski, A. (Andrzej), Szeszenia-Dabrowska, N. (Neonila), Slopien, A. (Agnieszka), Hauser, J. (J.), Karhunen, L. (Leila), Meulenbelt, I. (Ingrid), Slagboom, P.E. (Eline), Tortorella, A. (Alfonso), Maj, M. (Mario), Dedoussis, G.V. (George), Dedoussis, G.V. (G. V.), Koeleman, B.P.C. (Bobby), Gonidakis, F. (Fragiskos), Tziouvas, K. (Konstantinos), Tsitsika, A. (Artemis), Papezova, H. (Hana), Slachtova, L. (Lenka), Martaskova, D. (Debora), Kennedy, J.L., Levitan, R.D. (Robert D), Yilmaz, Z. (Zeynep), Huemer, J. (Julia), Koubek, D. (Doris), Merl, E. (Elisabeth), Wagner, G. (Gudrun), Lichtenstein, P. (Paul), Breen, G. (Gerome), Cohen-Woods, S. (Sarah), Farmer, A.E. (Anne E), Mcguffin, P. (Peter), Cichon, S. (Sven), Giegling, I. (Ina), Herms, S. (Stefan), Rujescu, D. (Dan), Schreiber, S. (Stefan), Wichmann, H.E. (Heinz Erich), Sladek, R. (Rob), Gambaro, G. (Giovanni), Soranzo, N. (Nicole), Julia, A. (Antonio), Marsal, S. (Sara), Rabionet, R. (Raquel), Gaborieau, V. (Valerie), Dick, D.M. (Danielle), Palotie, A. (A.), Ripatti, S. (Samuli), Widen, E., Espeseth, T. (Thomas), Lundervold, A.J. (Astri), Reinvang, I. (Ivar), Steen, V.M. (Vidar), Le Hellard, S. (Stephanie), Mattingsdal, M. (Morten), Ntalla, I. (Ioanna), Bencko, V. (Vladimir), Foretova, L. (Lenka), Janout, V. (Vladimir), Navratilova, M. (Marie), Pinto, D. (Dalila), Scherer, S.W. (Stephen W), Carlberg, L. (Laura), Schosser, A. (Alexandra), Alfredsson, L. (Lars), Pinto, D. (Duane), Scherer, S.W. (Stephen), Padyukov, L. (Leonid), Finan, C. (Chris), Kalsi, G. (Gursharan), Roberts, M. (Marion), Logan, D.W. (Darren W), Peltonen, L. (Leena Johanna), Ritchie, G.R.S. (Graham R.S.), Barrett, J.C. (Jeffrey), Estivill, X. (Xavier), Sullivan, P.F. (Patrick), Anderson, C.A. (Carl A), McGinnis, R. (Ralph), Sambrook, J. (Jennifer), Stephens, J. (Jonathan), Ouwehand, W.H. (Willem), McArdle, P.F. (P. F.), Ring, S.M. (Susan), Strachan, D.P. (David), Alexander, G. (Graeme), Conlon, P.J. (Peter J), Dominiczak, A. (Anna), Duncanson, A. (Audrey), Padyukov, L. (L.), Langford, C. (Cordelia), Lord, G. (Graham), Conlon, P. (Peter), Sandford, R. (Richard), Sheerin, N. (Neil), Vannberg, F.O. (Frederik O), Blackburn, H. (Hannah), Maxwell, A.P. (A.), Edkins, T. (Ted), Gillman, M.W. (Matthew W.), Gray, E. (Emma), Hunt, S.E. (Sarah E), Nengut, S.-G. (Suna-Gumuscu), Potter, S.C. (Simon), Rich, S.S. (Stephen), Simpkin, D. (Douglas), Whittaker, P. (Pamela), Ang, W.Q. (Wei), Atalay, M. (Mustafa), Beijsterveldt, C.E.M. (Toos) van, Bergen, N. (N.), Benke, K. (K.), Berry, D. (Diane), Boomsma, D.I. (Dorret), Bradfield, J.P. (Jonathan), Charoen, P. (Pimphen), Coin, L. (Lachlan), Cooper, C. (C.), Cousminer, D.L. (Diana), Das, S. (Shikta), Elliott, P. (P.), Evans, D.M. (D. M.), Feenstra, B. (B.), Flexeder, C. (Claudia), Frayling, T.M. (Timothy), Freathy, R.M. (Rachel), Gaillard, R. (R.), Geller, F. (Frank), Groen-Blokhuis, M. (Maria), Goh, L.K. (L. K.), Guxens Junyent, M. (Mònica), Hattersley, A.T. (Andrew), Haworth, C.M.A. (Claire M.), Hadley, D. (D.), Heinrich, J. (J.), Hirschhorn, J.N. (Joel), Hocher, B. (Berthold), Holloway, J.W. (J. W.), Holst, J.J., Hottenga, J.J. (Jouke Jan), Horikoshi, M. (Momoko), Huikari, V. (Ville), Hypponen, E. (E.), Iñiguez, C. (C.), Jaddoe, V.W. (V. W.), Jarvelin, M.R. (M. R.), Kaakinen, M. (M.), Kilpeläinen, T.O. (Tuomas), Hypponen, E. (Elina), Kowgier, M. (Matthew), Lakka, T.A. (Timo), Cooper, C. (Charles), Lange, L.A. (Leslie), Lawlor, D.A. (D. A.), Lehtimäki, T. (Terho), Lewin, A. (Alex), Elliott, P. (Paul), Lindi, V. (Virpi), Maggi, R. (Reedik), Feenstra, B. (Bjarke), McCarthy, M.I. (M. I.), Melbye, M. (Mads), Middeldorp, C.M. (Christel), Millwood, I.Y. (Iona), Mohlke, K.L. (Karen), Mook-Kanamori, D.O. (D. O.), Murray, J.C. (Jeffrey), Nivard, M. (Michel), Nohr, C. (Christian), Oken, E. (Emily), Ong, K.K. (K. K.), O'Reilly, P.F. (P. F.), Palmer, C. (Cameron), Panoutsopoulou, K. (K.), Pararajasingham, J. (Jennifer), Pearson, E.R. (E. R.), Pennell, C.E. (Craig), Power, C. (Christopher), Price, T.S. (Thomas), Prokopenko, I. (Inga), Raitakari, O.T. (O. T.), Rodriguez, A. (A.), Salem, R.M. (Rany), Saw, S.M. (S. M.), Sebert, S. (S.), Siitonen, N. (Niina), Jaddoe, V.W.V. (Vincent), Sørensen, T.I.A. (Thorkild), Sovio, U. (Ulla), Lawlor, D.A. (Debbie), Sunyer, J. (J.), Taal, H.R. (Rob), Teo, Y.Y. (Y. Y.), Thiering, E. (Elisabeth), Tiesler, C. (C.), Timpson, N.J. (Nicholas), Uitterlinden, A.G. (André), Valcárcel, B. (Beatriz), Teo, Y.Y. (Yik Ying), White, S.J. (Stefan), Willemsen, G.A.H.M. (Gonneke), Wilson, J.F. (J. F.), Yaghootkar, H. (H.), Elks, C.E. (Cathy), Perry, J.R. (J. R.), Sulem, P. (Patrick), Chasman, D.I. (Daniel), Franceschini, N. (Nora), He, C. (C.), Lunetta, K.L. (Kathryn), Visser, J.A. (Jenny), Byrne, E.M. (E. M.), Gudbjartsson, D.F. (Daniel), Koller, D.L. (Daniel), Kutalik, Z. (Zoltán), Lin, P. (P.), Mangino, M. (Massimo), Byrne, E.M. (Enda), Smith, A.V. (Albert), Stolk, L. (Lisette), Wingerden, S. (Sophie) van, Zhao, J.H. (J. H.), Albrecht, E. (Eva), Corre, T. (Tanguy), Ingelsson, E. (Erik), Hayward, C. (Caroline), Magnusson, P.K. (Patrik), Smith, A.V. (Davey), Chanock, S.J. (Stephen), Warrington, M. (M.), Zgaga, L. (L.), Alavere, H. (Helene), Amin, N. (Najaf), Aspelund, T. (T.), Ulivi, S. (Shelia), Sunyer, J. (Jordi), Berenson, G. (Gerald), Bergmann, S.M. (Sven), Boerwinkle, E. (E.), Buring, J.E. (Julie), Busonero, F. (F.), Barroso, I.E. (Inês), Chanock, S.J. (S. J.), Warrington, N.M. (Nicole), Couper, D.J. (David), Coviello, A.D. (Andrea), Busonero, F., Faire, U. (Ulf) de, de Geus, E.J. (E. J.), Deloukas, P. (Panagiotis), Döring, A. (Angela), Davey Smith, G. (G.), Adamo, P. (Pio) d', Eiriksdottir, G. (Gudny), Geus, E.J.C. (Eco) de, Hagen, K. (Knut), Ferrucci, L. (L.), Folsom, A.R. (A. R.), Foroud, T. (T.), Garcia, M.E. (M.), Gasparini, P. (P.), Gieger, C. (Christian), Gudnason, V. (V.), Folsom, A.R. (Aaron), Hankinson, S.E. (S. E.), Ferreli, L. (Liana), Gasparini, P. (Paolo), Hernandez, D.G. (Dena), Hofman, A. (Albert), Hu, F.B. (F. B.), Illig, T. (T.), Jarvelin, M.-R. (Marjo-Riitta), Johnson, A.D. (Andrew), Karasik, D. (David), Khaw, K.T. (K. T.), Kiel, D.P. (Douglas P.), Kolcic, I. (Ivana), Kraft, P. (Peter), Launer, L.J. (Lenore), Laven, J.S. (J. S.), Li, S. (S.), Liu, J. (J.), Levy, D. (D.), Martin, N.G. (N. G.), Aspelund, T. (Thor), Nalls, M.A. (Michael), Navarro, P. (Pau), Nelis, M. (M.), Ness, A.R. (A. R.), Boerwinkle, E.A. (Eric), Oostra, B.A. (Ben), Peacock, M. (M.), Pare, G. (Guillame), Parker, A.N. (Alex), Pedersen, N.L. (Nancy), Cornelis, M. (Marilyn), Polasek, O. (Ozren), Plump, A.S. (A. S.), Peacock, M. (Munro), Porcu, E. (Eleonora), Rafnar, T. (Thorunn), Rice, J.P. (John), Rivadeneira, F. (F.), Sala, C. (Cinzia), Salomaa, V. (Veikko), Sanna, S. (Serena), Schlessinger, D. (D.), Scuteri, A. (A.), Segrè, A.V. (Ayellet), Foroud, T. (Tatiana), Srinivasan, S.R. (Sathanur), Tammesoo, M.L. (M. L.), Tikkanen, E. (Emmi), Toniolo, D. (Daniela), Scuteri, A. (Angelo), Tryggvadottir, L. (Laufey), Tyrer, J. (J.), Uda, M. (M.), van Dam, R.M. (R. M.), Meurs, J.B.J. (Joyce) van, Vollenweider, P. (Peter), Waeber, G. (Gérard), Wareham, N.J. (Nick), Waterworth, D. (Dawn), Weedon, M.N. (Michael), Wright, A.F. (Alan), Young, L. (L.), Zhai, G. (G.), Zhuang, W.V. (W. V.), Bierut, L.J. (L. J.), Boyd, H.A. (H. A.), Crisponi, L. (Laura), Demerath, E.W. (E. W.), Duijn, C.M. (Cornelia) van, Econs, M.J. (M. J.), Harris, T.B. (Tamara), Bierut, L.J. (Laura), Loos, R.J.F. (Ruth), Ridker, P.M. (Paul), Demerath, E.W. (Ellen), Streeten, E.A. (Elizabeth), Econs, M.J. (Michael), Thorsteinsdottir, U. (Unnur), Widen, E. (E.), Murabito, J. (Joanne), Ness, A.R. (Andrew), Spector, T.D. (Timothy), Crawford, S. (Steve), Crow, S. (Scott), Fichter, M.M. (M. M.), Halmi, K.A. (K. A.), Palotie, A. (Aarno), La Via, M. (Maria), Mitchell, J. (James), Strober, M. (Michael), Rotondo, A. (Alessandro), Woodside, D.B. (D Blake), Keel, P. (Pamela), Lilenfeld, L. (Lisa), Rivadeneira Ramirez, F. (Fernando), Magistretti, P. (Pierre), and Montgomery, G.W. (G. W.)
Abstract: The maintenance of normal body weight is disrupted in patients with anorexia nervosa (AN) for prolonged periods of time. Prior to the onset of AN, premorbid body mass index (BMI) spans the entire range from underweight to obese. After recovery, patients have reduced rates of overweight and obesity. As such, loci involved in body weight regulation may also be relevant for AN and vice versa. Our primary analysis comprised a cross-trait analysis of the 1000 single-nucleotide polymorphisms (SNPs) with the lowest P-values in a genome-wide association meta-analysis (GWAMA) of AN (GCAN) for evidence of association in the largest published GWAMA for BMI (GIANT). Subsequently we performed sex-stratified analyses for these 1000 SNPs. Functional ex vivo studies on four genes ensued. Lastly, a look-up of GWAMA-derived BMI-related loci was performed in the AN GWAMA. We detected significant associations (P-values <5 × 10-5, Bonferroni-corrected P<0.05) for nine SNP alleles at three independent loci. Interestingly, all AN susceptibility alleles were consistently associated with increased BMI. None of the genes (chr. 10: CTBP2, chr. 19: CCNE1, chr. 2: CARF and NBEAL1; the latter is a region with high linkage disequilibrium) nearest to these SNPs has previously been associated with AN or obesity. Sex-stratified analyses revealed that the strongest BMI signal originated predominantly from females (chr. 10 rs1561589; Poverall: 2.47 × 10-06/Pfemales: 3.45 × 10-07/Pmales: 0.043). Functional ex vivo studies in mice revealed reduced hypothalamic expression of Ctbp2 and Nbeal1 after fasting. Hypothalamic expression of Ctbp2 was increased in diet-induced obese (DIO) mice as compared with age-matched lean controls. We observed no evidence for associations for the look-up of BMI-related loci in the AN GWAMA. A cross-trait analysis of AN and BMI loci revealed variants at three chromosomal loci with potential joint impact. The chromosome 10 locus is particularly promising given that the associa
Published: 2017
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29. Psychopathology in families: An integral approach via the family outpatient clinic

Author: van Veen, S.C., Batelaan, N.M., Wesseldijk, L.W., Rozeboom, J., Middeldorp, C.M., Experimental psychopathology, Leerstoel Engelhard, EMGO - Mental health, Psychiatry, Biological Psychology, EMGO+ - Mental Health, and Amsterdam Neuroscience - Mood, Anxiety, Psychosis, Stress & Sleep
Subjects: Psychiatry and Mental health, Psychopathology, SDG 3 - Good Health and Well-being, Screening, Adults, Children, Family outpatient clinic
Abstract: BACKGROUND: Psychiatric disorders run in families. To bridge the gap between child and youth psychiatry and adult psychiatry, GGZ inGeest has started screening parents of new registered children for psychopathology - and if indicated - offers parents treatment in the same department as their children.AIM: To examine the feasibility and usefulness of this procedure, to investigate how many parents agree to screening, further diagnostics and treatment, and to find out how many parents have in fact suffered from recent psychiatric problems.METHOD: Prior to the children's first appointment, the parents were asked to complete a questionnaire, the Adult Self Report (ASR), about their own problems. If these scores were (sub)clinical, parents were invited to participate in a telephonic interview. This consisted of the Composite International Diagnostic Interview (CIDI) and Conners' Adult ADHD Rating Scales (CAARS). If the results indicate psychopathology, further psychiatric assessment and, if necessary, treatment is offered.RESULTS: The first response was 55.7% and, if indicated, most of the parents agreed on further diagnostics. On the ASR 2 out of 5 mothers (42.1%) and 1 out of 5 fathers (21.8%) reported problems that could point to a psychiatric disorder. According to the ASR, within this high-risk group 37% of the mothers met the criteria for an axis I diagnosis (less than one month earlier) compared to 70.6% of the fathers. A mood disorder was the primary diagnosis for women, whereas men most often suffered from an anxiety disorder. In total, 19.1% of the parents screened were suffering from recent psychopathology and 75% of this group agreed to receive mental health care (treatment at the family outpatient clinic or referred to another clinic).CONCLUSION: Implementation of the family outpatient clinic scheme is feasible. However, further efforts are needed in order to reach a larger group of parents, particularly fathers. The family outpatient clinic is useful because parents who suffer from psychopathology do not always receive mental health care. However, a randomised control trial is needed to determine whether parallel treatment of parents and children can improve the treatment outcome for children.
Published: 2016

30. The genetic overlap between schizophrenia and childhood psychopathology

Author: Middeldorp, C.M., Biological Psychology, and Neuroscience Campus Amsterdam - Neurobiology of Mental Health
Published: 2015

31. Analysis of Behavioral and Emotional Problems in Children Highlights the Role of Genotype 9 Environment Interaction

Author: Molenaar, D., Middeldorp, C.M., van Beijsterveldt, C.E.M., Boomsma, D.I., Psychiatry, NCA - Neurobiology of mental health, Biological Psychology, and Neuroscience Campus Amsterdam - Neurobiology of Mental Health
Subjects: Netherlands Twin Register (NTR)
Abstract: This study tested for Genotype × Environment (G × E) interaction on behavioral and emotional problems in children using new methods that do not require identification of candidate genes or environments, can distinguish between interaction with shared and unique environment, and are insensitive to scale effects. Parental ratings of problem behavior from 14,755 twin pairs (5.3 years, SD = 0.22) indicated G × E interaction on emotional liability, social isolation, aggression, attention problems, dependency, anxiety, and physical coordination. Environmental influences increased in children who were genetically more predisposed to problem behavior, with ~20% of the variance due to G × E interaction (8% for anxiety to 37% for attention problems). Ignoring G × E interaction does not greatly bias heritability estimates, but it does offer a comprehensive model of the etiology for childhood problems.
Published: 2015

32. Seasonality shows evidence for polygenic architecture and genetic correlation with schizophrenia and bipolar disorder

Author: Byrne, E.M., Boomsma, D.I., Martin, N.G., Penninx, B.W.J.H., de Geus, E.J.C., Hoogendijk, W.J.G., Hottenga, J.J., Middeldorp, C.M., Nyholt, DR, Smit, J.H., van den Oord, E.J., Grootheest, G., Willemsen, G., Zitman, F.G., Neale, B.M., Sullivan, P.F., Raheja, U.K., Stephens, S.H., Heath, A.C., Madden, P.A.F., Vaswani, D., Nijjar, G.V., Ryan, K.A., Youssufi, H., Gehrman, P.R., Shuldiner, A.R., Montgomery, G.W., Wray, N.R., Nelson, E.C., Mitchell, B.D., Postolache, T.T., Biological Psychology, Neuroscience Campus Amsterdam - Neurobiology of Mental Health, EMGO+ - Mental Health, Psychiatry, NCA - Neurobiology of mental health, and EMGO - Mental health
Subjects: Adult, Male, Netherlands Twin Register (NTR), Multifactorial Inheritance, Bipolar Disorder, Genotype, Genome-wide association study, Single-nucleotide polymorphism, Genetic correlation, Life Change Events, Young Adult, mental disorders, medicine, Diseases in Twins, Humans, Bipolar disorder, Genetic association, Aged, Psychiatric Status Rating Scales, Depressive Disorder, Major, Middle Aged, medicine.disease, United States, Psychiatry and Mental health, Alcoholism, Mood, Schizophrenia, Major depressive disorder, Female, Schizophrenic Psychology, Queensland, Psychology, Amish, Clinical psychology
Abstract: OBJECTIVE: To test common genetic variants for association with seasonality (seasonal changes in mood and behavior) and to investigate whether there are shared genetic risk factors between psychiatric disorders and seasonality. METHOD: Genome-wide association studies (GWASs) were conducted in Australian (between 1988 and 1990 and between 2010 and 2013) and Amish (between May 2010 and December 2011) samples in whom the Seasonal Pattern Assessment Questionnaire (SPAQ) had been administered, and the results were meta-analyzed in a total sample of 4,156 individuals. Genetic risk scores based on results from prior large GWAS studies of bipolar disorder, major depressive disorder (MDD), and schizophrenia were calculated to test for overlap in risk between psychiatric disorders and seasonality. RESULTS: The most significant association was with rs11825064 (P = 1.7 × 10⁻⁶, β = 0.64, standard error = 0.13), an intergenic single nucleotide polymorphism (SNP) found on chromosome 11. The evidence for overlap in risk factors was strongest for schizophrenia and seasonality, with the schizophrenia genetic profile scores explaining 3% of the variance in log-transformed global seasonality scores. Bipolar disorder genetic profile scores were also associated with seasonality, although at much weaker levels (minimum P value = 3.4 × 10⁻³), and no evidence for overlap in risk was detected between MDD and seasonality. CONCLUSIONS: Common SNPs of large effect most likely do not exist for seasonality in the populations examined. As expected, there were overlapping genetic risk factors for bipolar disorder (but not MDD) with seasonality. Unexpectedly, the risk for schizophrenia and seasonality had the largest overlap, an unprecedented finding that requires replication in other populations and has potential clinical implications considering overlapping cognitive deficits in seasonal affective disorders and schizophrenia.
Published: 2015

33. A Genome-Wide Association Meta-Analysis of Attention-Deficit/Hyperactivity Disorder Symptoms in Population-Based Pediatric Cohorts

Author: Middeldorp, C.M., Hammerschlag, A.R., Ouwens, K.G., Groen-Blokhuis, M.M., Pourcain, B. St, Greven, C.U., Pappa, I., Tiesler, C.M., Ang, W., Nolte, I.M., Vilor-Tejedor, N., Bacelis, J., Ebejer, J.L., Zhao, H., Davies, G.E., Ehli, E.A., Evans, D.M., Fedko, I.O., Guxens, M., Hottenga, J.J., Hudziak, J.J., Jugessur, A., Kemp, J.P., Krapohl, E., Martin, N.G., Murcia, M., Myhre, R., Ormel, J., Ring, S.M., Standl, M., Stergiakouli, E., Stoltenberg, C., Thiering, E., Timpson, N.J., Trzaskowski, M., Most, P.J. van der, Wang, C., Nyholt, D.R., Medland, S.E., Neale, B., Jacobsson, B., Sunyer, J., Hartman, C.A., Whitehouse, A.J.O., Pennell, C.E., Heinrich, J., Plomin, R., Smith, G., Tiemeier, H., Posthuma, D., Boomsma, D.I., Middeldorp, C.M., Hammerschlag, A.R., Ouwens, K.G., Groen-Blokhuis, M.M., Pourcain, B. St, Greven, C.U., Pappa, I., Tiesler, C.M., Ang, W., Nolte, I.M., Vilor-Tejedor, N., Bacelis, J., Ebejer, J.L., Zhao, H., Davies, G.E., Ehli, E.A., Evans, D.M., Fedko, I.O., Guxens, M., Hottenga, J.J., Hudziak, J.J., Jugessur, A., Kemp, J.P., Krapohl, E., Martin, N.G., Murcia, M., Myhre, R., Ormel, J., Ring, S.M., Standl, M., Stergiakouli, E., Stoltenberg, C., Thiering, E., Timpson, N.J., Trzaskowski, M., Most, P.J. van der, Wang, C., Nyholt, D.R., Medland, S.E., Neale, B., Jacobsson, B., Sunyer, J., Hartman, C.A., Whitehouse, A.J.O., Pennell, C.E., Heinrich, J., Plomin, R., Smith, G., Tiemeier, H., Posthuma, D., and Boomsma, D.I.
Abstract: Contains fulltext : 165989.pdf (publisher's version ) (Closed access), OBJECTIVE: The aims of this study were to elucidate the influence of common genetic variants on childhood attention-deficit/hyperactivity disorder (ADHD) symptoms, to identify genetic variants that explain its high heritability, and to investigate the genetic overlap of ADHD symptom scores with ADHD diagnosis. METHOD: Within the EArly Genetics and Lifecourse Epidemiology (EAGLE) consortium, genome-wide single nucleotide polymorphisms (SNPs) and ADHD symptom scores were available for 17,666 children (<13 years of age) from nine population-based cohorts. SNP-based heritability was estimated in data from the three largest cohorts. Meta-analysis based on genome-wide association (GWA) analyses with SNPs was followed by gene-based association tests, and the overlap in results with a meta-analysis in the Psychiatric Genomics Consortium (PGC) case-control ADHD study was investigated. RESULTS: SNP-based heritability ranged from 5% to 34%, indicating that variation in common genetic variants influences ADHD symptom scores. The meta-analysis did not detect genome-wide significant SNPs, but three genes, lying close to each other with SNPs in high linkage disequilibrium (LD), showed a gene-wide significant association (p values between 1.46 x 10(-6) and 2.66 x 10(-6)). One gene, WASL, is involved in neuronal development. Both SNP- and gene-based analyses indicated overlap with the PGC meta-analysis results with the genetic correlation estimated at 0.96. CONCLUSION: The SNP-based heritability for ADHD symptom scores indicates a polygenic architecture, and genes involved in neurite outgrowth are possibly involved. Continuous and dichotomous measures of ADHD appear to assess a genetically common phenotype. A next step is to combine data from population-based and case-control cohorts in genetic association studies to increase sample size and to improve statistical power for identifying genetic variants.
Published: 2016

34. A Genome-Wide Association Meta-Analysis of Attention-Deficit/Hyperactivity Disorder Symptoms in Population-Based Pediatric Cohorts

Author: Middeldorp, C.M. (Christel), Hammerschlag, A.R. (Anke R.), Ouwens, K.G. (Klaasjan), Groen-Blokhuis, M. (Maria), St Pourcain, B. (Beate), Greven, C.U. (Corina U.), Pappa, M. (Magda), Tiesler, C.M.T. (Carla M.T.), Ang, W.Q. (Wei), Nolte, I.M. (Ilja), Vilor-Tejedor, N. (Natàlia), Bacelis, J. (Jonas), Ebejer, J.L. (Jane L.), Zhao, H. (Huiying), Davies, G.E. (Gareth), Ehli, E.A. (Erik), Evans, D.M. (David), Fedko, I.O. (Iryna O.), Guxens Junyent, M. (Mònica), Hottenga, J.J. (Jouke Jan), Hudziak, J.J. (James), Juqessur, A. (Astanand), Kemp, J.P. (John), Krapohl, E. (Eva), Martin, N.G. (Nicholas), Murcia, M. (Mario), Myhre, R. (Ronny), Ormel, J. (Johan), Ring, S.M. (Susan), Standl, E. (Eberhard), Stergiakouli, E. (Evangelia), Stoltenberg, C. (Camilla), Thiering, E. (Elisabeth), Timpson, N.J. (Nicholas), Trzaskowski, M. (Maciej), Most, P.J. (Peter) van der, Wang, C.A. (Carol A.), Nyholt, D.R. (Dale), Medland, S.E. (Sarah), Neale, B.M. (Benjamin), Jacobsson, B. (Bo), Sunyer, J. (Jordi), Hartman, C.A. (C.), Whitehouse, A.J.O. (Andrew), Pennell, C.E. (Craig), Heinrich, J. (Joachim), Plomin, R. (Robert), Smith, A.V. (Davey), Tiemeier, H.W. (Henning), Posthuma, D. (Danielle), Boomsma, D.I. (Dorret), Middeldorp, C.M. (Christel), Hammerschlag, A.R. (Anke R.), Ouwens, K.G. (Klaasjan), Groen-Blokhuis, M. (Maria), St Pourcain, B. (Beate), Greven, C.U. (Corina U.), Pappa, M. (Magda), Tiesler, C.M.T. (Carla M.T.), Ang, W.Q. (Wei), Nolte, I.M. (Ilja), Vilor-Tejedor, N. (Natàlia), Bacelis, J. (Jonas), Ebejer, J.L. (Jane L.), Zhao, H. (Huiying), Davies, G.E. (Gareth), Ehli, E.A. (Erik), Evans, D.M. (David), Fedko, I.O. (Iryna O.), Guxens Junyent, M. (Mònica), Hottenga, J.J. (Jouke Jan), Hudziak, J.J. (James), Juqessur, A. (Astanand), Kemp, J.P. (John), Krapohl, E. (Eva), Martin, N.G. (Nicholas), Murcia, M. (Mario), Myhre, R. (Ronny), Ormel, J. (Johan), Ring, S.M. (Susan), Standl, E. (Eberhard), Stergiakouli, E. (Evangelia), Stoltenberg, C. (Camilla), Thiering, E. (Elisabeth), Timpson, N.J. (Nicholas), Trzaskowski, M. (Maciej), Most, P.J. (Peter) van der, Wang, C.A. (Carol A.), Nyholt, D.R. (Dale), Medland, S.E. (Sarah), Neale, B.M. (Benjamin), Jacobsson, B. (Bo), Sunyer, J. (Jordi), Hartman, C.A. (C.), Whitehouse, A.J.O. (Andrew), Pennell, C.E. (Craig), Heinrich, J. (Joachim), Plomin, R. (Robert), Smith, A.V. (Davey), Tiemeier, H.W. (Henning), Posthuma, D. (Danielle), and Boomsma, D.I. (Dorret)
Abstract: Objective The aims of this study were to elucidate the influence of common genetic variants on childhood attention-deficit/hyperactivity disorder (ADHD) symptoms, to identify genetic variants that explain its high heritability, and to investigate the genetic overlap of ADHD symptom scores with ADHD diagnosis. Method Within the EArly Genetics and Lifecourse Epidemiology (EAGLE) consortium, genome-wide single nucleotide polymorphisms (SNPs) and ADHD symptom scores were available for 17,666 children (<13 years of age) from nine population-based cohorts. SNP-based heritability was estimated in data from the three largest cohorts. Meta-analysis based on genome-wide association (GWA) analyses with SNPs was followed by gene-based association tests, and the overlap in results with a meta-analysis in the Psychiatric Genomics Consortium (PGC) case-control ADHD study was investigated. Results SNP-based heritability ranged from 5% to 34%, indicating that variation in common genetic variants influences ADHD symptom scores. The meta-analysis did not detect genome-wide significant SNPs, but three genes, lying close to each other with SNPs in high linkage disequilibrium (LD), showed a gene-wide significant association (p values between 1.46 × 10−6 and 2.66 × 10−6). One gene, WASL, is involved in neuronal development. Both SNP- and gene-based analyses indicated overlap with the PGC meta-analysis results with the genetic correlation estimated at 0.96. Conclusion The SNP-based heritability for ADHD symptom scores indicates a polygenic architecture, and genes involved in neurite outgrowth are possibly involved. Continuous and dichotomous measures of ADHD appear to assess a genetically common phenotype. A next step is to combine data from population-based and case-control cohorts in genetic association studies to increase sample size and to improve statistical power for identifying genetic variants.
Published: 2016
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35. Genome-wide association analysis identifies three new susceptibility loci for childhood body mass index

Author: Felix, J.F. (Janine), Bradfield, J.P. (Jonathan), Poppelaars-Monnereau, C. (Claire), Valk, R.J.P. (Ralf) van der, Stergiakouli, E. (Evie), Chesi, A. (Alessandra), Gaillard, R. (Romy), Feenstra, B. (Bjarke), Thiering, E. (Elisabeth), Kreiner-Møller, E. (Eskil), Mahajan, A. (Anubha), Pitkänen, N. (Niina), Joro, R. (Raimo), Cavadino, A. (Alana), Huikari, V. (Ville), Franks, S. (Steve), Groen-Blokhuis, M. (Maria), Cousminer, D.L. (Diana), Marsh, J.A. (Julie), Lehtimäki, T. (Terho), Curtin, J.A. (John), Vioque, J. (Jesus), Ahluwalia, T.S. (Tarunveer Singh), Myhre, R. (Ronny), Price, T.S. (Thomas), Vilor-Tejedor, N. (Natalia), Yengo, L. (Loic), Grarup, N. (Niels), Ntalla, I. (Ioanna), Ang, W.Q. (Wei), Atalay, M. (Mustafa), Bisgaard, H. (Hans), Blakemore, A.I.F. (Alexandra), Bonnefond, A. (Amélie), Carstensen, L. (Lisbeth), Eriksson, J.G. (Johan G.), Flexeder, C. (Claudia), Franke, L. (Lude), Geller, F. (Frank), Geserick, M. (Mandy), Hartikainen, A.L., Haworth, C.M.A. (Claire M.), Hirschhorn, J.N. (Joel N.), Hofman, A. (Albert), Holm, J.-C. (Jens-Christian), Horikoshi, M. (Momoko), Hottenga, J.J. (Jouke Jan), Huang, J. (Jian), Kadarmideen, H.N. (Haja N.), Kähönen, M. (Mika), Kiess, W. (Wieland), Lakka, T.A. (Timo), Lewin, A. (Alex), Liang, L. (Liming), Lyytikäinen, L.-P. (Leo-Pekka), Ma, B. (Baoshan), Magnus, P. (Per), McCormack, S.E. (Shana E.), Mcmahon, G. (George), Mentch, F.D. (Frank), Middeldorp, C.M. (Christel), Murray, C.S. (Clare S.), Pahkala, K. (Katja), Pers, T.H. (Tune), Pfäffle, R. (Roland), Postma, D.S. (Dirkje), Power, C. (Christine), Simpson, A. (Angela), Sengpiel, V. (Verena), Tiesler, C. (Carla), Torrent, M. (Maties), Uitterlinden, A.G. (André), Meurs, J.B.J. (Joyce) van, Vinding, R. (Rebecca), Waage, J. (Johannes), Wardle, J. (Jane), Zeggini, E. (Eleftheria), Zemel, B.S. (Babette S.), Dedoussis, G.V. (George), Pedersen, O. (Oluf), Froguel, P. (Philippe), Sunyer, J. (Jordi), Plomin, R. (Robert), Jacobsson, B. (Bo), Hansen, T. (Torben), Gonzalez, J.R. (Juan R.), Custovic, A. (Adnan), Raitakari, O.T. (Olli T.), Pennell, C.E. (Craig), Widén, E. (Elisabeth), Boomsma, D.I. (Dorret), Koppelman, G.H. (Gerard), Sebert, S. (Sylvain), Jarvelin, M.-R. (Marjo-Riitta), Hypponen, E. (Elina), McCarthy, M.I. (Mark), Lindi, V. (Virpi), Harri, N. (Niinikoski), Körner, A. (Antje), Bønnelykke, K. (Klaus), Heinrich, J. (Joachim), Melbye, M. (Mads), Rivadeneira Ramirez, F. (Fernando), Hakonarson, H. (Hakon), Ring, S.M. (Susan), Smith, A.V. (Davey), Sørensen, T.I.A. (Thorkild I.A.), Timpson, N.J. (Nicholas), Grant, S.F.A. (Struan), Jaddoe, V.W.V. (Vincent), Kalkwarf, H.J. (Heidi J.), Lappe, J.M. (Joan M.), Gilsanz, V. (Vicente), Oberfield, S.E. (Sharon E.), Shepherd, J.A. (John A.), Kelly, A. (Andrea), Felix, J.F. (Janine), Bradfield, J.P. (Jonathan), Poppelaars-Monnereau, C. (Claire), Valk, R.J.P. (Ralf) van der, Stergiakouli, E. (Evie), Chesi, A. (Alessandra), Gaillard, R. (Romy), Feenstra, B. (Bjarke), Thiering, E. (Elisabeth), Kreiner-Møller, E. (Eskil), Mahajan, A. (Anubha), Pitkänen, N. (Niina), Joro, R. (Raimo), Cavadino, A. (Alana), Huikari, V. (Ville), Franks, S. (Steve), Groen-Blokhuis, M. (Maria), Cousminer, D.L. (Diana), Marsh, J.A. (Julie), Lehtimäki, T. (Terho), Curtin, J.A. (John), Vioque, J. (Jesus), Ahluwalia, T.S. (Tarunveer Singh), Myhre, R. (Ronny), Price, T.S. (Thomas), Vilor-Tejedor, N. (Natalia), Yengo, L. (Loic), Grarup, N. (Niels), Ntalla, I. (Ioanna), Ang, W.Q. (Wei), Atalay, M. (Mustafa), Bisgaard, H. (Hans), Blakemore, A.I.F. (Alexandra), Bonnefond, A. (Amélie), Carstensen, L. (Lisbeth), Eriksson, J.G. (Johan G.), Flexeder, C. (Claudia), Franke, L. (Lude), Geller, F. (Frank), Geserick, M. (Mandy), Hartikainen, A.L., Haworth, C.M.A. (Claire M.), Hirschhorn, J.N. (Joel N.), Hofman, A. (Albert), Holm, J.-C. (Jens-Christian), Horikoshi, M. (Momoko), Hottenga, J.J. (Jouke Jan), Huang, J. (Jian), Kadarmideen, H.N. (Haja N.), Kähönen, M. (Mika), Kiess, W. (Wieland), Lakka, T.A. (Timo), Lewin, A. (Alex), Liang, L. (Liming), Lyytikäinen, L.-P. (Leo-Pekka), Ma, B. (Baoshan), Magnus, P. (Per), McCormack, S.E. (Shana E.), Mcmahon, G. (George), Mentch, F.D. (Frank), Middeldorp, C.M. (Christel), Murray, C.S. (Clare S.), Pahkala, K. (Katja), Pers, T.H. (Tune), Pfäffle, R. (Roland), Postma, D.S. (Dirkje), Power, C. (Christine), Simpson, A. (Angela), Sengpiel, V. (Verena), Tiesler, C. (Carla), Torrent, M. (Maties), Uitterlinden, A.G. (André), Meurs, J.B.J. (Joyce) van, Vinding, R. (Rebecca), Waage, J. (Johannes), Wardle, J. (Jane), Zeggini, E. (Eleftheria), Zemel, B.S. (Babette S.), Dedoussis, G.V. (George), Pedersen, O. (Oluf), Froguel, P. (Philippe), Sunyer, J. (Jordi), Plomin, R. (Robert), Jacobsson, B. (Bo), Hansen, T. (Torben), Gonzalez, J.R. (Juan R.), Custovic, A. (Adnan), Raitakari, O.T. (Olli T.), Pennell, C.E. (Craig), Widén, E. (Elisabeth), Boomsma, D.I. (Dorret), Koppelman, G.H. (Gerard), Sebert, S. (Sylvain), Jarvelin, M.-R. (Marjo-Riitta), Hypponen, E. (Elina), McCarthy, M.I. (Mark), Lindi, V. (Virpi), Harri, N. (Niinikoski), Körner, A. (Antje), Bønnelykke, K. (Klaus), Heinrich, J. (Joachim), Melbye, M. (Mads), Rivadeneira Ramirez, F. (Fernando), Hakonarson, H. (Hakon), Ring, S.M. (Susan), Smith, A.V. (Davey), Sørensen, T.I.A. (Thorkild I.A.), Timpson, N.J. (Nicholas), Grant, S.F.A. (Struan), Jaddoe, V.W.V. (Vincent), Kalkwarf, H.J. (Heidi J.), Lappe, J.M. (Joan M.), Gilsanz, V. (Vicente), Oberfield, S.E. (Sharon E.), Shepherd, J.A. (John A.), and Kelly, A. (Andrea)
Abstract: A large number of genetic loci are associated with adult body mass index. However, the genetics of childhood body mass index are largely unknown.We performed a meta-analysis of genome-wide association studies of childhood body mass index, using sex- and age-adjusted standard deviation scores.We included 35 668 children from 20 studies in the discovery phase and 11 873 children from 13 studies in the replication phase. In total, 15 loci reached genome-wide significance (P-value < 5 × 10-8) in the joint discovery and replication analysis, of which 12 are previously identified loci in or close to ADCY3, GNPDA2, TMEM18, SEC16B, FAIM2, FTO, TFAP2B, TNNI3K, MC4R, GPR61, LMX1B and OLFM4 associated with adult body mass index or childhood obesity. We identified three novel loci: rs13253111 near ELP3, rs8092503 near RAB27B and rs13387838 near ADAM23. Per additional risk allele, body mass index increased 0.04 Standard Deviation Score (SDS) [Standard Error (SE) 0.007], 0.05 SDS (SE 0.008) and 0.14 SDS (SE 0.025), for rs13253111, rs8092503 and rs13387838, respectively. A genetic risk score combining all 15 SNPs showed that each additional average risk allele was associated with a 0.073 SDS (SE 0.011, P-value = 3.12 × 10-10) increase in childhood body mass index in a population of 1955 children. This risk score explained 2% of the variance in childhood body mass index. This study highlights the shared genetic background between childhood and adult body mass index and adds three novel loci. These loci likely represent age-related differences in streng
Published: 2016
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36. Parents of children with psychopathology: psychiatric problems and the association with their child’s problems

Author: Middeldorp, C.M. (Christel), Wesseldijk, L.W. (Laura W.), Hudziak, J.J. (James), Verhulst, F.C. (Frank), Lindauer, R.J. L. (Ramón), Dieleman, G.C. (Gwen), Middeldorp, C.M. (Christel), Wesseldijk, L.W. (Laura W.), Hudziak, J.J. (James), Verhulst, F.C. (Frank), Lindauer, R.J. L. (Ramón), and Dieleman, G.C. (Gwen)
Abstract: Knowledge is lacking regarding current psychopathology in parents whose children are evaluated in a psychiatric outpatient clinic. This especially accounts for fathers. We provide insight into the prevalence rates of parental psychopathology and the association with their offspring psychopathology by analyzing data on psychiatric problems collected in 701 mothers and 530 fathers of 757 referred children. Prevalence rates of parental psychopathology were based on (sub)clinical scores on the adult self report. Parent–offspring associations were investigated in multivariate analyses taking into account co-morbidity. Around 20 % of the parents had a (sub)clinical score on internalizing problems and around 10 % on attention deficit hyperactivity (ADH) problems. Prevalence rates did not differ between mothers and fathers. Parent–offspring associations did not differ between girls and boys. Maternal anxiety was associated with all offspring problem scores. In addition, maternal ADH problems were associated with offspring ADH problems. Paternal anxiety and ADH problems scores were specifically associated with offspring internalizing and externalizing problem scores, respectively. Associations with offspring psychopathology were of similar magnitude for mothers and fathers and were not influenced by spousal resemblance. Our study shows that both fathers and mothers are at increased risk for psychiatric problems at the time of a child’s evaluation and that their problems are equally associated with their offspring problems. The results emphasize the need to screen mothers as well as fathers for psychiatric problems. Specific treatment programs should be developed for these families in especially high need.
Published: 2016
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37. Interview

Author: Middeldorp, C.M., Biological Psychology, and Neuroscience Campus Amsterdam - Neurobiology of Mental Health
Published: 2014

38. Waarom hebben we moeite met vernieuwing en verandering?

Author: Vink, J.M., Middeldorp, C.M., Biological Psychology, and Neuroscience Campus Amsterdam - Neurobiology of Mental Health
Published: 2014

39. Transgenerationele overdracht van psychische stoornissen. Een overzicht van de huidige kennis en een blik op de toekomst

Author: Middeldorp, C.M., Batelaan, N.M., Psychiatry, NCA - Neurobiology of mental health, Biological Psychology, and Neuroscience Campus Amsterdam - Neurobiology of Mental Health
Published: 2014

40. A recessive genetic model and runs of homozygosity in major depressive disorder

Author: Power, R.A., Keller, M.C., Ripke, S., Abdellaoui, A., Wray, N.R., Sullivan, P.F., Boomsma, D.I., de Geus, E.J.C., Hottenga, J.J., Middeldorp, C.M., Penninx, B.W.J.H., Willemsen, G., Breen, G., Psychiatry, NCA - Brain mechanisms in health and disease, NCA - Neurobiology of mental health, EMGO - Mental health, NCA - Brain imaging technology, Biological Psychology, Functional Genomics, Neuroscience Campus Amsterdam - Neurobiology of Mental Health, EMGO+ - Mental Health, Neuroscience Campus Amsterdam - Brain Imaging Technology, and Neuroscience Campus Amsterdam - Brain Mechanisms in Health & Disease
Subjects: Netherlands Twin Register (NTR), Genotype, Genome-wide association study, Biology, Runs of Homozygosity, Polymorphism, Single Nucleotide, Article, 03 medical and health sciences, Cellular and Molecular Neuroscience, 0302 clinical medicine, Genetic model, mental disorders, medicine, Humans, Genetic Predisposition to Disease, Genotyping, Genetics (clinical), 030304 developmental biology, Genetic association, Genetics, 0303 health sciences, Clinical Trials as Topic, Depressive Disorder, Major, Models, Genetic, Homozygote, medicine.disease, 3. Good health, Psychiatry and Mental health, Schizophrenia, Major depressive disorder, Inbreeding, 030217 neurology & neurosurgery, Genome-Wide Association Study
Abstract: Genome-wide association studies (GWASs) of major depressive disorder (MDD) have yet to identify variants that surpass the threshold for genome-wide significance. A recent study reported that runs of homozygosity (ROH) are associated with schizophrenia, reflecting a novel genetic risk factor resulting from increased parental relatedness and recessive genetic effects. Here, we explore the possibility of such a recessive model in MDD. In a sample of 9,238 cases and 9,521 controls reported in a recent mega-analysis of 9 GWAS we perform an analysis of ROH and common variants under a recessive model. Since evidence for association with ROH could reflect a recessive mode of action at loci, we also conducted a genome-wide association analyses under a recessive model. The genome-wide association analysis using a recessive model found no significant associations. Our analysis of ROH suggested that there was significant heterogeneity of effect across studies in effect (P=0.001), and it was associated with genotyping platform and country of origin. The results of the ROH analysis show that differences across studies can lead to conflicting systematic genome-wide differences between cases and controls that are unaccounted for by traditional covariates. They highlight the sensitivity of the ROH method to spurious associations, and the need to carefully control for potential confounds in such analyses. We found no strong evidence for a recessive model underlying MDD. © 2014 Wiley Periodicals, Inc.
Published: 2014

41. Further confirmation of the association between anxiety and CTNND2: replication in humans

Author: Nivard, M.G., Mbarek, H., Hottenga, J.J., Smit, J.H., Penninx, B.W.J.H., Middeldorp, C.M., Boomsma, D.I., Psychiatry, EMGO - Mental health, Biological Psychology, and EMGO+ - Mental Health
Subjects: Netherlands Twin Register (NTR), SDG 3 - Good Health and Well-being, mental disorders, behavioral disciplines and activities, humanities
Abstract: The rat genome sequencing and mapping consortium found evidence for an association between the catenin-δ2 gene (CTNND2) and anxious behaviour. We replicated these results in humans by carrying out a genetic association test in patients with panic disorder, social phobia, generalized anxiety disorder and/or agoraphobia (N=1714) and controls (N=4125). We further explored the association between CTNND2 and other psychiatric disorders based on publicly available genome-wide association results. A gene-based test showed that single nucleotide polymorphisms (SNPs) in CTNND2 have a significantly increased signal (P
Published: 2014

42. Spouse and parent-offspring correlations for psychiatric symptoms in a clinical sample

Author: Middeldorp, C.M., Wesseldijk, L.W., Lindauer, R.J.L., Batelaan, N.M., Verhulst, F.C., Boomsma, D.I., Dieleman, G.C., Psychiatry, NCA - Brain mechanisms in health and disease, and NCA - Neurobiology of mental health
Published: 2014

43. Agenda for future research. Psychiatric perpective

Author: van Dyck, R., van Balkom, A.J.L.M., van den Heuvel, O., Middeldorp, C.M., Emmelkamp, P.M.G., Ehring, Th., Biological Psychology, Neuroscience Campus Amsterdam - Neurobiology of Mental Health, and EMGO+ - Mental Health
Published: 2014

44. Spousal resemblance for smoking: Underlying mechanisms and effects of cohort and age

Author: Treur, J.L., Vink, J.M., Boomsma, D.I., Middeldorp, C.M., Treur, J.L., Vink, J.M., Boomsma, D.I., and Middeldorp, C.M.
Abstract: Item does not contain fulltext, BACKGROUND: In this study we ask why spouses resemble each other in smoking behaviour and assess if such resemblance depends on period of data collection or age. Spousal similarity may reflect different, not mutually exclusive, processes. These include phenotypic assortment (choice of spouse is based on phenotype) or social homogamy at the time spouses first meet, and marital interaction during the relationship. METHODS: Ever and current smoking were assessed between 1991 and 2013 in surveys of the Netherlands Twin Register for 14,230 twins and 1,949 of their spouses (mean age 31.4 [SD=14.0]), and 11,536 parents of twins (53.4 [SD=8.6]). Phenotypic assortment and social homogamy were examined cross-sectionally by calculating the probability of agreement between twins and their spouses, twins and their co-twin's spouse and spouses of both twins as a function of zygosity. Marital interaction was tested by investigating the association between relationship duration and spousal resemblance. RESULTS: Between 1991 and 2013 smoking declined in all age groups for both genders. Spousal resemblance for ever and current smoking was higher when data were more recent. For ever smoking, a higher age of men was associated with lower spousal resemblance. Phenotypic assortment was supported for both smoking measures, but social homogamy could not be excluded. No effect of marital interaction was found. CONCLUSIONS: Differences in smoking prevalence across time and age influence spousal similarity. Individuals more often choose a spouse with similar smoking behaviour (phenotypic assortment) causing higher genotypic similarity between them. Given the heritability of smoking this increases genetic risk of smoking in offspring.
Published: 2015

45. Estimation of Genetic Relationships Between Individuals Across Cohorts and Platforms: Application to Childhood Height

Author: Fedko, I. (Iryna), Hottenga, J.J. (Jouke Jan), Medina-Gomez, M.C. (Carolina), Pappa, I. (Irene), Beijsterveldt, C.E.M. (Toos) van, Ehli, E.A. (Erik), Davies, G.E. (Gareth), Rivadeneira Ramirez, F. (Fernando), Tiemeier, H.W. (Henning), Swertz, M. (Morris), Middeldorp, C.M. (Christel), Bartels, M. (Meike), Boomsma, D.I. (Dorret), Fedko, I. (Iryna), Hottenga, J.J. (Jouke Jan), Medina-Gomez, M.C. (Carolina), Pappa, I. (Irene), Beijsterveldt, C.E.M. (Toos) van, Ehli, E.A. (Erik), Davies, G.E. (Gareth), Rivadeneira Ramirez, F. (Fernando), Tiemeier, H.W. (Henning), Swertz, M. (Morris), Middeldorp, C.M. (Christel), Bartels, M. (Meike), and Boomsma, D.I. (Dorret)
Abstract: Combining genotype data across cohorts increases power to estimate the heritability due to common single nucleotide polymorphisms (SNPs), based on analyzing a Genetic Relationship Matrix (GRM). However, the combination of SNP data across multiple cohorts may lead to stratification, when for example, different genotyping platforms are used. In the current study, we address issues of combining SNP data from different cohorts, the Netherlands Twin Register (NTR) and the Generation R (GENR) study. Both cohorts include children of Northern European Dutch background (N = 3102 + 2826, respectively) who were genotyped on different platforms. We explore imputation and phasing as a tool and compare three GRM-building strategies, when data from two cohorts are (1) just combi
Published: 2015
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46. Identification of risk loci with shared effects on five major psychiatric disorders:a genome-wide analysis

Author: Smoller, J.W., Ripke, S., Lee, P.H., Neale, B., Nurnberger, J.I., Santangelo, S., Sullivan, P.F., Perlis, R.H., Purcell, S.M., Fanous, A., Neale, M.C., Rietschel, M., Schulze, T.G., Thapar, A., Anney, R., Buitelaar, J.K., Farone, S.V., Hoogendijk, W.J.G., Levinson, D.F., Lesch, K.P., Riley, B., Schachar, R., Sonuga-Barke, E.J., Absher, D., Agartz, I., Akil, H., Amin, F., Andreassen, O.A., Anjorin, A., Arking, D., Asherson, P., Azevedo, M.H., Backlund, L., Badner, J.A., Banaschewski, T., Barchas, J.D., Barnes, M.R., Bass, N., Bauer, M.C.R., Bellivier, F., Bergen, S.E., Berrettini, W., Bettecken, T., Biederman, J, Binder, E.B., Black, D.W., Blackwood, D.H., Bloss, C.S., Boehnke, M., Boomsma, D.I., Breen, G., Breuer, R., Buccola, N.G., Bunner, W.E., Burmeister, M., Buxbaum, J.D., Byerley, W. F., Sian, C., Cantor, R.M., Chakravarti, A., Chambert, K., Chicon, S., Cloniger, C.R., Collier, D.A., Cook, E., Coon, H., Corvin, A., Coryell, W.H., Craig, D.W., Craig, I.W., Curtis, D., Czamara, D., Daly, M., Datta, S., Day, R., de Geus, E.J.C., Degenhardt, F., Devlin, B., Srdjan, D., Doyle, A.E., Duan, J., Dudbridge, F., Edenberg, H.J., Elkin, A., Etain, B., Farmer, A.E., Ferreira, M.A.R., Ferrier, I.N., Flickinger, M., Foroud, T., Frank, J., Franke, B., Fraser, C., Freedman, R., Freimer, N.B., Friedl, M., Frisén, L., Gejman, P.V., Georgieva, L., Gershon, E.S., Giegling, I., Gill, M., Gordon, S.D., Gordon-Smith, K., Green, E.K., Greenwood, T.A., Gross, M., Grozeva, D., Guan, W., Gurling, H., Gustafsson, O., Hakonarson, H., Hamilton, S.P., Hamshere, M.L., Hansen, T.F., Hartmann, A.M., Hautzinger, M., Heath, A.C., Henders, A.K., Herms, S., Hickie, I.B., Hipolito, M., Hoefels, S., Holmans, P.A., Holsboer, F., Hottenga, J.J., Hultman, C. M., Ingason, A., Ising, M., Jamain, S., Jones, E.G., Jones, L., Jones, I., Jung-Ying, T., Kahler, A., Kandaswamy, R., Keller, M.C., Kelsoe, J., Kennedy, J.L., Kenny, E., Kim, Y., Kirov, G. K., Knowles, J.A., Kohli, M.A., Koller, D.L., Konte, B., Korszun, A., Krasucki, R., Kuntsi, J., Phoenix, K., Landén, M., Langstrom, N., Lathrop, M., Lawrence, J., Lawson, W.B., Leboyer, M., Lencz, T., Lewis, C.M., Li, J., Lichtenstein, P., Lieberman, J. A., Lin, D., Liu, C., Lohoff, F.W., Loo, S.K., Lucae, S., MacIntyre, D.J., Madden, P.A.F., Magnusson, P., Mahon, P.B., Maier, W., Malhotra, A.K., Mattheisen, M., Matthews, K., Mattingsdal, M., McCarroll, S., McGhee, K.A., McGough, J.J., McGrath, P.J., McGuffin, P., McInnis, M.G., McIntosh, A., McKinney, R., McClean, A.W., McMahon, F.J., McQuillin, A., Medeiros, H., Medland, S.E., Meier, S., Melle, I., Meng, F., Middeldorp, C.M., Middleton, L., Vihra, M., Mitchell, P.B., Montgomery, G.W., Moran, J., Morken, G., Morris, D.W., Moskvina, V., Mowry, B. J., Muglia, P., Mühleisen, T.W., Muir, W.J., Müller-Myhsok, B., Myers, R.M., Nelson, S.F., Nievergelt, C.M., Nikolovq, I., Nimgaonkar, V.L., Nolen, W.A., Nöthen, M.M., Nwulia, E.A., Nyholt, DR, O'Donovan, M.C., O'Dushlaine, C., Oades, R.D., Olincy, A., Olsen, L., Ophoff, R.A., Osby, U., Óskarsson, H., Owen, M.J., Palotie, A., Pato, M.T., Pato, C.N., Penninx, B.W.J.H., Pergadia, M.L., Petursson, H., Pickard, B.S., Pimm, J., Piven, J., Porgeirsson, P., Posthuma, D., Potash, J.B., Propping, J., Puri, V., Quested, D., Quinn, E.M., Rasmussen, H.B., Raychaudhuri, S., Rehnström, K., Reif, A., Rice, J., Rossin, L., Rothenberger, A., Rouleau, G., Ruderfer, D., Rujescu, D., Sanders, A.R., Schalling, M., Schatzberg, A.F., Scheftner, W.A., Schellenberg, G.D., Schofield, P.R., Schork, N.J., Schumacher, J., Schwarz, M.M., Scolnick, E., Scott, L.J., Shi, J., Shillling, P.D., Shyn, S.I., Sigurdsson, E., Silverman, J.M., Sklar, P., Slager, S.L., Smalley, S.L., Smit, J.H., Smith, E.N., Sonuga-Barke, E., St Clair, D., State, M., Stefansson, K., Stefansson, H., Steffans, M., Steinberg, S., Steinhausen, H.C., Strauss, J., Strohmaier, J., Stroup, T.S., Sutcliffe, J., Szatmari, P., Szelinger, S., Thirumalai, S., Thompson, R.C., Tozzi, F., Treutlein, J., Uhr, M., van den Oord, E.J., Grootheest, G., Vieland, V., Vincent, J.B., Visscher, P.M., Watson, S.J., Weissman, M.M., Werge, T., Wienker, T.F., Willemsen, G., Williamson, R., Witt, S.H., Wray, N.R., Wright, A., Xu, W., Young, A.H., Zammit, S., Zandi, P.P., Zhang, P., Zitman, F.G., Zöllner, S., Kendler, K.S., Psychiatry, Human genetics, Epidemiology and Data Science, NCA - Brain mechanisms in health and disease, NCA - Neurobiology of mental health, EMGO - Mental health, NCA - Brain imaging technology, Biological Psychology, Functional Genomics, Neuroscience Campus Amsterdam - Brain Mechanisms in Health & Disease, Neuroscience Campus Amsterdam - Neurobiology of Mental Health, EMGO+ - Mental Health, Neuroscience Campus Amsterdam - Brain Imaging Technology, Psychiatrie & Neuropsychologie, Farmacologie en Toxicologie, RS: CARIM School for Cardiovascular Diseases, RS: MHeNs School for Mental Health and Neuroscience, Oades, Robert D. (Beitragende*r), and Oades, Robert D.
Subjects: Netherlands Twin Register (NTR), Adult, medicine.medical_specialty, Bipolar Disorder, Calcium Channels, L-Type, Population, Medizin, Genome-wide association study, Biology, Polymorphism, Single Nucleotide, Article, Genomic disorders and inherited multi-system disorders DCN MP - Plasticity and memory [IGMD 3], medicine, ddc:61, Attention deficit hyperactivity disorder, Humans, DCN PAC - Perception action and control NCEBP 9 - Mental health, ddc:610, Medizinische Fakultät » Universitätsklinikum Essen » LVR-Klinikum Essen » Klinik für Psychiatrie, Psychosomatik und Psychotherapie des Kindes- und Jugendalters, Bipolar disorder, Age of Onset, Psychiatry, education, Child, Genetics, education.field_of_study, Depressive Disorder, Major, General Medicine, Genomic disorders and inherited multi-system disorders [DCN PAC - Perception action and control IGMD 3], medicine.disease, Logistic Models, Autism spectrum disorder, Schizophrenia, Attention Deficit Disorder with Hyperactivity, Child Development Disorders, Pervasive, Genetic Loci, Expression quantitative trait loci, Major depressive disorder, Genome-Wide Association Study
Abstract: Item does not contain fulltext BACKGROUND: Findings from family and twin studies suggest that genetic contributions to psychiatric disorders do not in all cases map to present diagnostic categories. We aimed to identify specific variants underlying genetic effects shared between the five disorders in the Psychiatric Genomics Consortium: autism spectrum disorder, attention deficit-hyperactivity disorder, bipolar disorder, major depressive disorder, and schizophrenia. METHODS: We analysed genome-wide single-nucleotide polymorphism (SNP) data for the five disorders in 33,332 cases and 27,888 controls of European ancestory. To characterise allelic effects on each disorder, we applied a multinomial logistic regression procedure with model selection to identify the best-fitting model of relations between genotype and phenotype. We examined cross-disorder effects of genome-wide significant loci previously identified for bipolar disorder and schizophrenia, and used polygenic risk-score analysis to examine such effects from a broader set of common variants. We undertook pathway analyses to establish the biological associations underlying genetic overlap for the five disorders. We used enrichment analysis of expression quantitative trait loci (eQTL) data to assess whether SNPs with cross-disorder association were enriched for regulatory SNPs in post-mortem brain-tissue samples. FINDINGS: SNPs at four loci surpassed the cutoff for genome-wide significance (p
Published: 2013

47. Angst en depressie van de kindertijd tot in de volwassenheid

Author: Middeldorp, C.M., Biological Psychology, and Neuroscience Campus Amsterdam - Neurobiology of Mental Health
Published: 2013

48. The use of longitudinal data of childhood and adolescent internalizing problems in genetic studies

Author: Middeldorp, C.M., Biological Psychology, and Neuroscience Campus Amsterdam - Neurobiology of Mental Health
Published: 2013

49. Gene–environment interaction in teacher-rated internalizing and externalizing problem behavior in 7- to 12-year-old twins

Author: Ponsen-Lamb, D.J., Middeldorp, C.M., van Beijsterveldt, C.E.M., Boomsma, D.I., Biological Psychology, Neuroscience Campus Amsterdam - Anxiety & Depression, and EMGO+ - Mental Health
Subjects: Netherlands Twin Register (NTR), SDG 3 - Good Health and Well-being, education
Abstract: Background: Internalizing and externalizing problem behavior at school can have major consequences for a child and is predictive for disorders later in life. Teacher ratings are important to assess internalizing and externalizing problems at school. Genetic epidemiological studies on teacher-rated problem behavior are relatively scarce and the reported heritability estimates differ widely. A unique feature of teacher ratings of twins is that some pairs are rated by different and others are rated by the same teacher. This offers the opportunity to assess gene-environment interaction. Methods: Teacher ratings of 3,502 7-year-old, 3,134 10-year-old and 2,193 12-year-old twin pairs were analyzed with structural equation modeling. About 60% of the twin pairs were rated by the same teacher. Twin correlations and the heritability of internalizing and externalizing behavior were estimated, separately for pairs rated by the same and different teachers. Socioeconomic status and externalizing behavior at age 3 were included as covariates. Results: Twin correlations and heritability estimates were higher when twin pairs were in the same class and rated by the same teacher than when pairs were rated by different teachers. These differences could not be explained by twin confusion or rater bias. When twins were rated by the same teacher, heritability estimates were about 70% for internalizing problems and around 80% in boys and 70% in girls for externalizing problems. When twins were rated by different teachers, heritability estimates for internalizing problems were around 30% and for externalizing problems around 50%. Conclusions: Exposure to different teachers during childhood may affect the heritability of internalizing and externalizing behavior at school. This finding points to gene-environment interaction and is important for the understanding of childhood problem behavior. In addition, it could imply an opportunity for interventions at school. © 2012 Association for Child and Adolescent Mental Health.
Published: 2012

50. De invloed van genen en omgeving op de ontwikkeling van angststoornissen

Author: Middeldorp, C.M., Cath, D.C., van Balkom, A.J.L.M., Oosterbaan, D., Visser, S., and van Vliet, I.M.
Published: 2011

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