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1. Synaptic processes and immune-related pathways implicated in Tourette syndrome

Author

Fotis Tsetsos, Dongmei Yu, Jae Hoon Sul, Alden Y. Huang, Cornelia Illmann, Lisa Osiecki, Sabrina M. Darrow, Matthew E. Hirschtritt, Erica Greenberg, Kirsten R. Muller-Vahl, Manfred Stuhrmann, Yves Dion, Guy A. Rouleau, Harald Aschauer, Mara Stamenkovic, Monika Schlögelhofer, Paul Sandor, Cathy L. Barr, Marco A. Grados, Harvey S. Singer, Markus M. Nöthen, Johannes Hebebrand, Anke Hinney, Robert A. King, Thomas V. Fernandez, Csaba Barta, Zsanett Tarnok, Peter Nagy, Christel Depienne, Yulia Worbe, Andreas Hartmann, Cathy L. Budman, Renata Rizzo, Gholson J. Lyon, William M. McMahon, James R. Batterson, Danielle C. Cath, Irene A. Malaty, Michael S. Okun, Cheston Berlin, Douglas W. Woods, Paul C. Lee, Joseph Jankovic, Mary M. Robertson, Donald L. Gilbert, Lawrence W. Brown, Barbara J. Coffey, Andrea Dietrich, Pieter J. Hoekstra, Samuel Kuperman, Samuel H. Zinner, Michael Wagner, James A. Knowles, A. Jeremy Willsey, Jay A. Tischfield, Gary A. Heiman, Nancy J. Cox, Nelson B. Freimer, Benjamin M. Neale, Lea K. Davis, Giovanni Coppola, Carol A. Mathews, Jeremiah M. Scharf, Peristera Paschou, on behalf of the Tourette Association of America International Consortium for Genetics, Sabrina Darrow, Roger Kurlan, James F. Leckman, Jan H. Smit, the Gilles de la Tourette GWAS Replication Initiative, Harald Aschauer Harald Aschauer, Anastasios Konstantinidis, Kirsten Müller-Vahl, Tomasz Wolanczyk, the Tourette International Collaborative Genetics Study, Lawrence Brown, Keun-Ah Cheon, Blanca Garcia-Delgar, Donald Gilbert, Dorothy E. Grice, Julie Hagstrøm, Tammy Hedderly, Isobel Heyman, Chaim Huyser, Young Key Kim, Young-Shin Kim, Yun-Joo Koh, Sodahm Kook, Bennett L. Leventhal, Marcos Madruga-Garrido, Pablo Mir, Astrid Morer, Alexander Münchau, Kerstin J. Plessen, Veit Roessner, Eun-Young Shin, Dong-Ho Song, Jungeun Song, Samuel Zinner, and the Psychiatric Genomics Consortium Tourette Syndrome Working Group, Thomas Fernandez, Gary Heiman, Pieter Hoekstra, Jay Tischfield, and Douglas Woods

Subjects
Neurosciences. Biological psychiatry. Neuropsychiatry, RC321-571
Abstract

Abstract Tourette syndrome (TS) is a neuropsychiatric disorder of complex genetic architecture involving multiple interacting genes. Here, we sought to elucidate the pathways that underlie the neurobiology of the disorder through genome-wide analysis. We analyzed genome-wide genotypic data of 3581 individuals with TS and 7682 ancestry-matched controls and investigated associations of TS with sets of genes that are expressed in particular cell types and operate in specific neuronal and glial functions. We employed a self-contained, set-based association method (SBA) as well as a competitive gene set method (MAGMA) using individual-level genotype data to perform a comprehensive investigation of the biological background of TS. Our SBA analysis identified three significant gene sets after Bonferroni correction, implicating ligand-gated ion channel signaling, lymphocytic, and cell adhesion and transsynaptic signaling processes. MAGMA analysis further supported the involvement of the cell adhesion and trans-synaptic signaling gene set. The lymphocytic gene set was driven by variants in FLT3, raising an intriguing hypothesis for the involvement of a neuroinflammatory element in TS pathogenesis. The indications of involvement of ligand-gated ion channel signaling reinforce the role of GABA in TS, while the association of cell adhesion and trans-synaptic signaling gene set provides additional support for the role of adhesion molecules in neuropsychiatric disorders. This study reinforces previous findings but also provides new insights into the neurobiology of TS.

Published
2021
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2. Partitioning the heritability of Tourette syndrome and obsessive compulsive disorder reveals differences in genetic architecture.

Author

Lea K Davis, Dongmei Yu, Clare L Keenan, Eric R Gamazon, Anuar I Konkashbaev, Eske M Derks, Benjamin M Neale, Jian Yang, S Hong Lee, Patrick Evans, Cathy L Barr, Laura Bellodi, Fortu Benarroch, Gabriel Bedoya Berrio, Oscar J Bienvenu, Michael H Bloch, Rianne M Blom, Ruth D Bruun, Cathy L Budman, Beatriz Camarena, Desmond Campbell, Carolina Cappi, Julio C Cardona Silgado, Danielle C Cath, Maria C Cavallini, Denise A Chavira, Sylvain Chouinard, David V Conti, Edwin H Cook, Vladimir Coric, Bernadette A Cullen, Dieter Deforce, Richard Delorme, Yves Dion, Christopher K Edlund, Karin Egberts, Peter Falkai, Thomas V Fernandez, Patience J Gallagher, Helena Garrido, Daniel Geller, Simon L Girard, Hans J Grabe, Marco A Grados, Benjamin D Greenberg, Varda Gross-Tsur, Stephen Haddad, Gary A Heiman, Sian M J Hemmings, Ana G Hounie, Cornelia Illmann, Joseph Jankovic, Michael A Jenike, James L Kennedy, Robert A King, Barbara Kremeyer, Roger Kurlan, Nuria Lanzagorta, Marion Leboyer, James F Leckman, Leonhard Lennertz, Chunyu Liu, Christine Lochner, Thomas L Lowe, Fabio Macciardi, James T McCracken, Lauren M McGrath, Sandra C Mesa Restrepo, Rainald Moessner, Jubel Morgan, Heike Muller, Dennis L Murphy, Allan L Naarden, William Cornejo Ochoa, Roel A Ophoff, Lisa Osiecki, Andrew J Pakstis, Michele T Pato, Carlos N Pato, John Piacentini, Christopher Pittenger, Yehuda Pollak, Scott L Rauch, Tobias J Renner, Victor I Reus, Margaret A Richter, Mark A Riddle, Mary M Robertson, Roxana Romero, Maria C Rosàrio, David Rosenberg, Guy A Rouleau, Stephan Ruhrmann, Andres Ruiz-Linares, Aline S Sampaio, Jack Samuels, Paul Sandor, Brooke Sheppard, Harvey S Singer, Jan H Smit, Dan J Stein, E Strengman, Jay A Tischfield, Ana V Valencia Duarte, Homero Vallada, Filip Van Nieuwerburgh, Jeremy Veenstra-Vanderweele, Susanne Walitza, Ying Wang, Jens R Wendland, Herman G M Westenberg, Yin Yao Shugart, Euripedes C Miguel, William McMahon, Michael Wagner, Humberto Nicolini, Danielle Posthuma, Gregory L Hanna, Peter Heutink, Damiaan Denys, Paul D Arnold, Ben A Oostra, Gerald Nestadt, Nelson B Freimer, David L Pauls, Naomi R Wray, S Evelyn Stewart, Carol A Mathews, James A Knowles, Nancy J Cox, and Jeremiah M Scharf

Subjects
Genetics, QH426-470
Abstract

The direct estimation of heritability from genome-wide common variant data as implemented in the program Genome-wide Complex Trait Analysis (GCTA) has provided a means to quantify heritability attributable to all interrogated variants. We have quantified the variance in liability to disease explained by all SNPs for two phenotypically-related neurobehavioral disorders, obsessive-compulsive disorder (OCD) and Tourette Syndrome (TS), using GCTA. Our analysis yielded a heritability point estimate of 0.58 (se = 0.09, p = 5.64e-12) for TS, and 0.37 (se = 0.07, p = 1.5e-07) for OCD. In addition, we conducted multiple genomic partitioning analyses to identify genomic elements that concentrate this heritability. We examined genomic architectures of TS and OCD by chromosome, MAF bin, and functional annotations. In addition, we assessed heritability for early onset and adult onset OCD. Among other notable results, we found that SNPs with a minor allele frequency of less than 5% accounted for 21% of the TS heritability and 0% of the OCD heritability. Additionally, we identified a significant contribution to TS and OCD heritability by variants significantly associated with gene expression in two regions of the brain (parietal cortex and cerebellum) for which we had available expression quantitative trait loci (eQTLs). Finally we analyzed the genetic correlation between TS and OCD, revealing a genetic correlation of 0.41 (se = 0.15, p = 0.002). These results are very close to previous heritability estimates for TS and OCD based on twin and family studies, suggesting that very little, if any, heritability is truly missing (i.e., unassayed) from TS and OCD GWAS studies of common variation. The results also indicate that there is some genetic overlap between these two phenotypically-related neuropsychiatric disorders, but suggest that the two disorders have distinct genetic architectures.

Published
2013
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3. Investigation of gene-environment interactions in relation to tic severity

Author

Frank Visscher, Kerstin J. Plessen, Tammy Hedderly, Jungeun Song, Bennett L. Leventhal, Eun-Young Shin, Lawrence W. Brown, Alexander Münchau, Robert A. King, Young Key Kim, Young Shin Kim, Veit Roessner, Andrea Dietrich, Samuel Kuperman, Thomas V. Fernandez, Keun-Ah Cheon, Carol A. Mathews, Athanasios Maras, Donald L. Gilbert, Yun-Joo Koh, Laura Ibanez-Gomez, Dongmei Yu, Astrid Morer, Sodahm Kook, Marcos Madruga-Garrido, Julie Hagstrøm, Dorothy E. Grice, Jay A. Tischfield, Lisa Osiecki, Mohamed Abdulkadir, Blanca Garcia-Delgar, Samuel H. Zinner, Chaim Huyser, Barbara J. Coffey, Dong-Ho Song, Gary A. Heiman, Pieter J. Hoekstra, Hyun Ju Hong, Pablo Mir, Isobel Heyman, Jeremiah M. Scharf, National Institute of Mental Health (US), Tourette Syndrome Association of New Jersey, Judah Foundation, Tourette Association of America, National Institutes of Health (US), Instituto de Salud Carlos III, Junta de Andalucía, Sociedad Andaluza de Neurología, Fundación Alicia Koplowitz, Fundación Mutua Madrileña, Jacques and Gloria Gossweiler Foundation, Generalitat de Catalunya, German Research Foundation, National Institute of Environmental Health Sciences (US), Clinical Cognitive Neuropsychiatry Research Program (CCNP), Child Psychiatry, Paediatric Psychosocial Care, and Amsterdam Neuroscience - Cellular & Molecular Mechanisms

Subjects
Candidate gene, Tic severity, Autism Spectrum Disorder, Autism, Intellectual and Developmental Disabilities (IDD), Single-nucleotide polymorphism, Genome-wide association study, Neurodegenerative, Tourette syndrome, Severity of Illness Index, Attention Deficit Disorder with Hyperactivity/genetics, Autism Spectrum Disorder/genetics, Female, Gene-Environment Interaction, Genome-Wide Association Study, Humans, Pregnancy, Tics, Tourette Syndrome, Gene–environment interaction, Pre- and perinatal complications, mental disorders, medicine, Genetics, SNP, 2.1 Biological and endogenous factors, Psychology, Aetiology, Biological Psychiatry, Genetic association, Pediatric, Neurology & Neurosurgery, business.industry, Psychiatry and Preclinical Psychiatric Studies - Original Article, Human Genome, Neurosciences, medicine.disease, Serious Mental Illness, Gene-environment interaction, Brain Disorders, Psychiatry and Mental health, Mental Health, Neurology, Autism spectrum disorder, Attention Deficit Disorder with Hyperactivity, Neurology (clinical), business
Abstract

Tourette syndrome (TS) is a neuropsychiatric disorder with involvement of genetic and environmental factors. We investigated genetic loci previously implicated in Tourette syndrome and associated disorders in interaction with pre- and perinatal adversity in relation to tic severity using a case-only (N = 518) design. We assessed 98 single-nucleotide polymorphisms (SNPs) selected from (I) top SNPs from genome-wide association studies (GWASs) of TS; (II) top SNPs from GWASs of obsessive–compulsive disorder (OCD), attention-deficit/hyperactivity disorder (ADHD), and autism spectrum disorder (ASD); (III) SNPs previously implicated in candidate-gene studies of TS; (IV) SNPs previously implicated in OCD or ASD; and (V) tagging SNPs in neurotransmitter-related candidate genes. Linear regression models were used to examine the main effects of the SNPs on tic severity, and the interaction effect of these SNPs with a cumulative pre- and perinatal adversity score. Replication was sought for SNPs that met the threshold of significance (after correcting for multiple testing) in a replication sample (N = 678). One SNP (rs7123010), previously implicated in a TS meta-analysis, was significantly related to higher tic severity. We found a gene–environment interaction for rs6539267, another top TS GWAS SNP. These findings were not independently replicated. Our study highlights the future potential of TS GWAS top hits in gene–environment studies., This research was funded by National Institute of Mental Health (NIMH) grant R01MH092293 (to GAH and JAT) and NJCTS (New Jersey Center for Tourette Syndrome and Associated Disorders; to GAH and JAT). This work was also supported by grants from the Judah Foundation, the Tourette Association of America, National Institute of Health (NIH) Grants NS40024, NS016648, MH079489, MH073250, the American Recovery and Re-investment Act (ARRA) Grants NS040024-07S1; NS16648-29S1; NS040024-09S1; MH092289; MH092290; MH092291; MH092292; R01MH092293; MH092513; MH092516; MH092520; MH071507; MH079489; MH079487; MH079488; and MH079494. Dr. Mir has received grants from the Instituto de Salud Carlos III (PI10/01674, PI13/01461), the Consejería de Economía, Innovación, Ciencia y Empresa de la Junta de Andalucía (CVI-02526, CTS-7685), the Consejería de Salud y Bienestar Social de la Junta de Andalucía (PI-0741/2010, PI-0437-2012, PI-0471-2013), the Sociedad Andaluza de Neurología, the Fundación Alicia Koplowitz, the Fundación Mutua Madrileña and the Jaques and Gloria Gossweiler Foundation. Dr. Morer has received grants from the Fundacion Alicia Koplowitz and belongs to the research group of the Comissionat per Universitats i Recerca del Departmanent d’Innovacio (DIUE) 2009SGR1119. Dr. Münchau has received grants from the Deutsche Forschungsgemeinschaft (DFG: MU 1692/3-1, MU 1692/4-1 and FOR 2698). This study was also supported by a Grant from the National Institute for Environmental Health Science (R01 ES021462).

Published
2021

4. Is Persistent Motor or Vocal Tic Disorder a Milder Form of Tourette Syndrome?

Author

Sang-Wahn Koo, Erica Greenberg, Daniel A. Geller, Matthew E. Hirschtritt, Mary M. Robertson, Benjamin D. Greenberg, Robert A. King, Karla Claudio-Campos, James A. Knowles, Jack Samuels, Mark A. Riddle, Cornelia Illmann, Oscar J. Bienvenu, Lisa Osiecki, Gholson J. Lyon, Gerald Nestadt, Cathy Budman, Sabrina M. Darrow, Jeremiah M. Scharf, Janice Krasnow, Daniel A. Stevens, Marco A. Grados, James T. McCracken, Carol A. Mathews, Danielle C. Cath, Guy A. Rouleau, Paul Sandor, Fernando S. Goes, Franjo Ivankovic, Paul C. Lee, and Alexa Valko

Subjects
0301 basic medicine, Tic disorder, Pediatrics, medicine.medical_specialty, Obsessive-Compulsive Disorder, Movement disorders, Population, severity, Regular Issue Articles, Comorbidity, Tourette syndrome, chronic tics, 03 medical and health sciences, 0302 clinical medicine, mental disorders, medicine, Attention deficit hyperactivity disorder, Humans, Spectrum disorder, education, Research Articles, education.field_of_study, business.industry, Tourette, medicine.disease, meta-analysis, 030104 developmental biology, Mood, Neurology, meta‐analysis, Attention Deficit Disorder with Hyperactivity, Tic Disorders, Tics, Anxiety, Neurology (clinical), medicine.symptom, business, 030217 neurology & neurosurgery, Research Article, Tourette Syndrome
Abstract

Background Persistent motor or vocal tic disorder (PMVT) has been hypothesized to be a forme fruste of Tourette syndrome (TS). Although the primary diagnostic criterion for PMVT (presence of motor or vocal tics, but not both) is clear, less is known about its clinical presentation. Objective The goals of this study were to compare the prevalence and number of comorbid psychiatric disorders, tic severity, age at tic onset, and family history for TS and PMVT. Methods We analyzed data from two independent cohorts using generalized linear equations and confirmed our findings using meta-analyses, incorporating data from previously published literature. Results Rates of obsessive-compulsive disorder (OCD) and attention deficit hyperactivity disorder (ADHD) were lower in PMVT than in TS in all analyses. Other psychiatric comorbidities occurred with similar frequencies in PMVT and TS in both cohorts, although meta-analyses suggested lower rates of most psychiatric disorders in PMVT compared with TS. ADHD and OCD increased the odds of comorbid mood, anxiety, substance use, and disruptive behaviors, and accounted for observed differences between PMVT and TS. Age of tic onset was approximately 2 years later, and tic severity was lower in PMVT than in TS. First-degree relatives had elevated rates of TS, PMVT, OCD, and ADHD compared with population prevalences, with rates of TS equal to or greater than PMVT rates. Conclusions Our findings support the hypothesis that PMVT and TS occur along a clinical spectrum in which TS is a more severe and PMVT a less severe manifestation of a continuous neurodevelopmental tic spectrum disorder. © 2021 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.

Published
2021

5. De Novo Sequence and Copy Number Variants Are Strongly Associated with Tourette Disorder and Implicate Cell Polarity in Pathogenesis

Author

Sheng Wang, Jeffrey D. Mandell, Yogesh Kumar, Nawei Sun, Montana T. Morris, Juan Arbelaez, Cara Nasello, Shan Dong, Clif Duhn, Xin Zhao, Zhiyu Yang, Shanmukha S. Padmanabhuni, Dongmei Yu, Robert A. King, Andrea Dietrich, Najah Khalifa, Niklas Dahl, Alden Y. Huang, Benjamin M. Neale, Giovanni Coppola, Carol A. Mathews, Jeremiah M. Scharf, Thomas V. Fernandez, Joseph D. Buxbaum, Silvia De Rubeis, Dorothy E. Grice, Jinchuan Xing, Gary A. Heiman, Jay A. Tischfield, Peristera Paschou, A. Jeremy Willsey, Matthew W. State, Mohamed Abdulkadir, Benjamin Bodmer, Yana Bromberg, Lawrence W. Brown, Keun-Ah Cheon, Barbara J. Coffey, Li Deng, Lonneke Elzerman, Carolin Fremer, Blanca Garcia-Delgar, Donald L. Gilbert, Julie Hagstrøm, Tammy Hedderly, Isobel Heyman, Pieter J. Hoekstra, Hyun Ju Hong, Chaim Huyser, Eun-Joo Kim, Young Key Kim, Young-Shin Kim, Yun-Joo Koh, Sodahm Kook, Samuel Kuperman, Bennett L Leventhal, Andrea G. Ludolph, Marcos Madruga-Garrido, Athanasios Maras, Pablo Mir, Astrid Morer, Montana T Morris, Kirsten Müller-Vahl, Alexander Münchau, Tara L. Murphy, Kerstin J. Plessen, Hannah Poisner, Veit Roessner, Stephan J. Sanders, Eun-Young Shin, Dong-Ho Song, Jungeun Song, Joshua K. Thackray, Jennifer Tübing, Frank Visscher, Sina Wanderer, A Jeremy Willsey, Martin Woods, Yeting Zhang, Samuel H. Zinner, Christos Androutsos, Csaba Barta, Luca Farkas, Jakub Fichna, Marianthi Georgitsi, Piotr Janik, Iordanis Karagiannidis, Anastasia Koumoula, Peter Nagy, Joanna Puchala, Renata Rizzo, Natalia Szejko, Urszula Szymanska, Zsanett Tarnok, Vaia Tsironi, Tomasz Wolanczyk, Cezary Zekanowski, Cathy L. Barr, James R. Batterson, Cheston Berlin, Ruth D. Bruun, Cathy L. Budman, Danielle C. Cath, Sylvain Chouinard, Nancy J. Cox, Sabrina Darrow, Lea K. Davis, Yves Dion, Nelson B. Freimer, Marco A. Grados, Matthew E. Hirschtritt, Cornelia Illmann, Roger Kurlan, James F. Leckman, Gholson J. Lyon, Irene A. Malaty, William M. MacMahon, Michael S. Okun, Lisa Osiecki, David L. Pauls, Danielle Posthuma, Vasily Ramensky, Mary M. Robertson, Guy A. Rouleau, Paul Sandor, Harvey S. Singer, Jan Smit, Jae-Hoon Sul, Tourette International Collaborative Genetics Study (TIC Genetics), Tourette Syndrome Genetics Southern and Eastern Europe Initiative (TSGENESEE), Tourette Association of America International Consortium for Genetics (TAAICG), Abdulkadir, M., Arbelaez, J., Bodmer, B., Bromberg, Y., Brown, L.W., Cheon, K.A., Coffey, B.J., Deng, L., Dietrich, A., Dong, S., Duhn, C., Elzerman, L., Fernandez, T.V., Fremer, C., Garcia-Delgar, B., Gilbert, D.L., Grice, D.E., Hagstrøm, J., Hedderly, T., Heiman, G.A., Heyman, I., Hoekstra, P.J., Hong, H.J., Huyser, C., Kim, E.J., Kim, Y.K., Kim, Y.S., King, R.A., Koh, Y.J., Kook, S., Kuperman, S., Leventhal, B.L., Ludolph, A.G., Madruga-Garrido, M., Mandell, J.D., Maras, A., Mir, P., Morer, A., Morris, M.T., Müller-Vahl, K., Münchau, A., Murphy, T.L., Nasello, C., Plessen, K.J., Poisner, H., Roessner, V., Sanders, S.J., Shin, E.Y., Song, D.H., Song, J., State, M.W., Sun, N., Thackray, J.K., Tischfield, J.A., Tübing, J., Visscher, F., Wanderer, S., Wang, S., Willsey, A.J., Woods, M., Xing, J., Zhang, Y., Zhao, X., Zinner, S.H., Androutsos, C., Barta, C., Farkas, L., Fichna, J., Georgitsi, M., Janik, P., Karagiannidis, I., Koumoula, A., Nagy, P., Paschou, P., Puchala, J., Rizzo, R., Szejko, N., Szymanska, U., Tarnok, Z., Tsironi, V., Wolanczyk, T., Zekanowski, C., Barr, C.L., Batterson, J.R., Berlin, C., Bruun, R.D., Budman, C.L., Cath, D.C., Chouinard, S., Coppola, G., Cox, N.J., Darrow, S., Davis, L.K., Dion, Y., Freimer, N.B., Grados, M.A., Hirschtritt, M.E., Huang, A.Y., Illmann, C., Kurlan, R., Leckman, J.F., Lyon, G.J., Malaty, I.A., Mathews, C.A., MacMahon, W.M., Neale, B.M., Okun, M.S., Osiecki, L., Pauls, D.L., Posthuma, D., Ramensky, V., Robertson, M.M., Rouleau, G.A., Sandor, P., Scharf, J.M., Singer, H.S., Smit, J., Sul, J.H., and Yu, D.

Subjects
Adult, Male, 0301 basic medicine, medicine.medical_specialty, DNA Copy Number Variations, Receptors, Cell Surface, Biology, Genome, Article, General Biochemistry, Genetics and Molecular Biology, 03 medical and health sciences, 0302 clinical medicine, RARE, SCHIZOPHRENIA, medicine, Humans, Copy-number variation, Child, NEURODEVELOPMENTAL DISORDERS, Gene, lcsh:QH301-705.5, Exome sequencing, 030304 developmental biology, Medicinsk genetik, Sequence (medicine), Genetics, 0303 health sciences, SEVERE INTELLECTUAL DISABILITY, Cadherin, MUTATIONS, AUTISM SPECTRUM DISORDER, Cell Polarity, OBSESSIVE-COMPULSIVE DISORDER, Cadherins, medicine.disease, Pedigree, PREVALENCE, CONGENITAL HEART-DISEASE, GENOME, 030104 developmental biology, lcsh:Biology (General), Schizophrenia, Medical genetics, Female, Cadherins/genetics, Receptors, Cell Surface/genetics, Tourette Syndrome/genetics, Tourette Syndrome/pathology, TIC Genetics, Tourette disorder, cell polarity, copy number variants, de novo variants, gene discovery, microarray genotyping, multiplex, simplex, whole exome sequencing, Medical Genetics, 030217 neurology & neurosurgery, Tourette Syndrome
Abstract

SUMMARY We previously established the contribution of de novo damaging sequence variants to Tourette disorder (TD) through whole-exome sequencing of 511 trios. Here, we sequence an additional 291 TD trios and analyze the combined set of 802 trios. We observe an overrepresentation of de novo damaging variants in simplex, but not multiplex, families; we identify a high-confidence TD risk gene, CELSR3 (cadherin EGF LAG seven-pass G-type receptor 3); we find that the genes mutated in TD patients are enriched for those related to cell polarity, suggesting a common pathway underlying pathobiology; and we confirm a statistically significant excess of de novo copy number variants in TD. Finally, we identify significant overlap of de novo sequence variants between TD and obsessive-compulsive disorder and de novo copy number variants between TD and autism spectrum disorder, consistent with shared genetic risk., In Brief Wang et al. expand their earlier exome-sequencing work in TD, adding 291 trios and conducting combined analyses suggesting de novo variants carry more risk in individuals with unaffected parents, establishing de novo structural variants as risk factors, identifying CELSR3 as a risk gene, and implicating cell polarity in pathogenesis., Graphical Abstract

Published
2018

6. The Genetics of Endophenotypes of Neurofunction to Understand Schizophrenia (GENUS) consortium: a collaborative cognitive and neuroimaging genetics project

Author

Paul G. Nestor, James Lee, Vince D. Calhoun, Lynn E. DeLisi, Antje A. T. S. Reinders, Kang Sim, Neeltje E.M. van Haren, Robert W. McCarley, Anthony S. David, Wiepke Cahn, Timothea Toulopoulou, Martha E. Shenton, Paola Dazzan, Rick P.F. Wolthusen, Annette M. Hartmann, Bettina Konte, Randy L. Gollub, Jianjun Liu, Todd Lencz, Matcheri S. Keshavan, Erin W. Dickie, Jordan W. Smoller, Derek W. Morris, Lisa Osiecki, Esther Walton, Aristotle N. Voineskos, Sonja de Zwarte, Larry J. Seidman, Jill M. Goldstein, Stefan Ehrlich, New Fei Ho, Tiago Reis Marques, Marta Di Forti, Marek Kubicki, Daphne J. Holt, M. Aurora Falcone, Manuela Russo, Joey W. Trampush, Simone Ciufolini, Anil K. Malhotra, Joshua L. Roffman, Jessica A. Turner, S. Charles Schulz, Dara S. Manoach, Max Lam, René S. Kahn, Aiden Corvin, James T.R. Walters, Shaun Purcell, Elisabetta C. del Re, Jorge Jovicich, Valeria Mondelli, Ina Giegling, Elvira Bramon, Raquelle I. Mesholam-Gately, Donald C. Goff, Nasim Maleki, Michael Gill, Gary Donohoe, Dan Rujescu, Richard S.E. Keefe, Stephen L. Buka, Evangelos Vassos, Nicolas Crossley, Donna Cosgrove, Scott R. Sponheim, Sara Cherkerzian, Tracey L. Petryshen, Robin M. Murray, Marco Picchioni, Zora Kikinis, Gabriëlla A.M. Blokland, Heidi W. Thermenos, Sinead Kelly, and Toulopoulou, Timothea

Subjects
cognition, Male, neuropsychology, rare variant association, population, Genome-wide association study, heritability, Neuropsychological Tests, 0302 clinical medicine, Cognition, Image Processing, Computer-Assisted, genetics, phenotypes b-snip, Child, bipolar disorder, Aged, 80 and over, Genetics, education.field_of_study, neuroimaging, Neuropsychology, Middle Aged, Magnetic Resonance Imaging, Psychiatry and Mental health, Female, Sample collection, Psychology, metaanalysis, MRI, Adult, medicine.medical_specialty, Psychosis, polygenic risk, Adolescent, Genotype, Endophenotypes, Schizophrenia (object-oriented programming), Population, Neuroimaging, Polymorphism, Single Nucleotide, Article, Statistics, Nonparametric, Young Adult, 03 medical and health sciences, medicine, Humans, Genetic Predisposition to Disease, Bipolar disorder, education, Psychiatry, mri, Biological Psychiatry, Aged, brain structure, syndrome scale panss, medicine.disease, 030227 psychiatry, Endophenotype, genome-wide association, Schizophrenia, Cognition Disorders, 030217 neurology & neurosurgery
Abstract

Background: Schizophrenia has a large genetic component, and the pathways from genes to illness manifestation are beginning to be identified. The Genetics of Endophenotypes of Neurofunction to Understand Schizophrenia (GENUS) Consortium aims to clarify the role of genetic variation in brain abnormalities underlying schizophrenia. This article describes the GENUS Consortium sample collection. Methods: We identified existing samples collected for schizophrenia studies consisting of patients, controls, and/or individuals at familial high-risk (FHR) for schizophrenia. Samples had single nucleotide polymorphism (SNP) array data or genomic DNA, clinical and demographic data, and neuropsychological and/or brain magnetic resonance imaging (MRI) data. Data were subjected to quality control procedures at a central site. Results: Sixteen research groups contributed data from 5199 psychosis patients, 4877 controls, and 725 FHR individuals. All participants have relevant demographic data and all patients have relevant clinical data. The sex ratio is 56.5% male and 43.5% female. Significant differences exist between diagnostic groups for premorbid and current IQ (both p < 1 × 10− 10). Data from a diversity of neuropsychological tests are available for 92% of participants, and 30% have structural MRI scans (half also have diffusion-weighted MRI scans). SNP data are available for 76% of participants. The ancestry composition is 70% European, 20% East Asian, 7% African, and 3% other. Conclusions: The Consortium is investigating the genetic contribution to brain phenotypes in a schizophrenia sample collection of > 10,000 participants. The breadth of data across clinical, genetic, neuropsychological, and MRI modalities provides an important opportunity for elucidating the genetic basis of neural processes underlying schizophrenia. We are grateful for the support of all study staff and participants. Acknowledgements for each sample are provided in the Supplementary Materials. Data processing and analyses (of the legacy data) at the central site was supported by the National Institute of Mental Health (NIMH) of the National Institutes of Health (NIH) grant number R01MH092380 to T.L.P. supporting the Genetics of Endophenotypes of Neurofunction to Understand Schizophrenia (GENUS) Consortium, and NIMH grant R21MH109819 to E.D.R. Appendix A

Published
2018

7. De Novo Coding Variants Are Strongly Associated with Tourette Disorder

Author

A. Jeremy Willsey, Thomas V. Fernandez, Dongmei Yu, Robert A. King, Andrea Dietrich, Jinchuan Xing, Stephan J. Sanders, Jeffrey D. Mandell, Alden Y. Huang, Petra Richer, Louw Smith, Shan Dong, Kaitlin E. Samocha, Benjamin M. Neale, Giovanni Coppola, Carol A. Mathews, Jay A. Tischfield, Jeremiah M. Scharf, Matthew W. State, Gary A. Heiman, Mohamed Abdulkadir, Julia Bohnenpoll, Yana Bromberg, Lawrence W. Brown, Keun-Ah Cheon, Barbara J. Coffey, Li Deng, Lonneke Elzerman, Odette Fründt, Blanca Garcia-Delgar, Erika Gedvilaite, Donald L. Gilbert, Dorothy E. Grice, Julie Hagstrøm, Tammy Hedderly, Isobel Heyman, Pieter J. Hoekstra, Hyun Ju Hong, Chaim Huyser, Laura Ibanez-Gomez, Young Key Kim, Young-Shin Kim, Yun-Joo Koh, Sodahm Kook, Samuel Kuperman, Andreas Lamerz, Bennett Leventhal, Andrea G. Ludolph, Claudia Lühr da Silva, Marcos Madruga-Garrido, Athanasios Maras, Pablo Mir, Astrid Morer, Alexander Münchau, Tara L. Murphy, Cara Nasello, Thaïra J.C. Openneer, Kerstin J. Plessen, Veit Roessner, Stephan Sanders, Eun-Young Shin, Deborah A. Sival, Dong-Ho Song, Jungeun Song, Anne Marie Stolte, Nawei Sun, Jennifer Tübing, Frank Visscher, Michael F. Walker, Sina Wanderer, Shuoguo Wang, Martin Woods, Yeting Zhang, Anbo Zhou, Samuel H. Zinner, Cathy L. Barr, James R. Batterson, Cheston Berlin, Ruth D. Bruun, Cathy L. Budman, Danielle C. Cath, Sylvain Chouinard, Nancy J. Cox, Sabrina Darrow, Lea K. Davis, Yves Dion, Nelson B. Freimer, Marco A. Grados, Matthew E. Hirschtritt, Cornelia Illmann, Roger Kurlan, James F. Leckman, Gholson J. Lyon, Irene A. Malaty, William M. MaMahon, Michael S. Okun, Lisa Osiecki, David L. Pauls, Danielle Posthuma, Vasily Ramensky, Mary M. Robertson, Guy A. Rouleau, Paul Sandor, Harvey S. Singer, Jan Smit, Jae-Hoon Sul, Psychiatry, Amsterdam Neuroscience - Cellular & Molecular Mechanisms, Amsterdam Neuroscience - Complex Trait Genetics, Amsterdam Neuroscience - Compulsivity, Impulsivity & Attention, Amsterdam Neuroscience - Mood, Anxiety, Psychosis, Stress & Sleep, Amsterdam Reproduction & Development (AR&D), Human genetics, Other departments, and Child Psychiatry

Subjects
0301 basic medicine, Proband, Adult, Male, Parents, INTELLECTUAL DISABILITY, FUNCTIONAL GENOMICS EXPERIMENTS, DNA-SEQUENCING DATA, AUTISM SPECTRUM DISORDERS, Cell Cycle Proteins, Receptors, Cell Surface, Biology, medicine.disease_cause, Bioinformatics, Tourette syndrome, Article, TIC DISORDERS, Cohort Studies, 03 medical and health sciences, medicine, Odds Ratio, Missense mutation, Humans, Genetic Predisposition to Disease, Copy-number variation, Child, Gene, Exome sequencing, Genetics, COPY NUMBER VARIANTS, Mutation, MUTATIONS, General Neuroscience, PSYCHIATRIC-DISORDERS, Intracellular Signaling Peptides and Proteins, Genetic Variation, Proteins, NIPBL, OBSESSIVE-COMPULSIVE DISORDER, LANGE-SYNDROME, Sequence Analysis, DNA, medicine.disease, Cadherins, Phosphoproteins, Fibronectins, 030104 developmental biology, Female, Tourette Syndrome
Abstract

Whole-exome sequencing (WES) and de novo variant detection have proven a powerful approach to gene discovery in complex neurodevelopmental disorders. We have completed WES of 325 Tourette disorder trios from the Tourette International Collaborative Genetics cohort and a replication sample of 186 trios from the Tourette Syndrome Association International Consortium on Genetics (511 total). We observe strong and consistent evidence for the contribution of de novo likely gene-disrupting (LGD) variants (rate ratio [RR] 2.32, p = 0.002). Additionally, de novo damaging variants (LGD and probably damaging missense) are overrepresented in probands (RR 1.37, p = 0.003). We identify four likely risk genes with multiple de novo damaging variants in unrelated probands: WWC1 (WW and C2 domain containing 1), CELSR3 (Cadherin EGF LAG seven-pass G-type receptor 3), NIPBL (Nipped-B-like), and FN1 (fibronectin 1). Overall, we estimate that de novo damaging variants in approximately 400 genes contribute risk in 12% of clinical cases. Video Abstract [Figure presented]

Published
2017

8. Genome-wide association study of obsessive-compulsive disorder

Author

Helena Garrido, Richard O'Brien, Michael H. Bloch, David L. Pauls, M. Van Der Brug, Anna Tikhomirov, Andrew B. Singleton, Susanne Walitza, Benjamin M. Neale, Patrick Evans, Rianne M. Blom, Mina Ryten, James L. Kennedy, Christopher Pittenger, C. Illman, Amin Azzam, Stephen A. Haddad, Gregory L. Hanna, Michele T. Pato, D. Rosenberg, Maurizio Turiel, Stephan Ruhrmann, Peter Falkai, Nuria Lanzagorta, Richard Delorme, D. G. Hernandez, Leonhard Lennertz, Abby J. Fyer, M Conceição do Rosário, Euripedes Constantino Miguel, John Hardy, Carlos N. Pato, Francesca Frau, Hans-Jörgen Grabe, Daniele Cusi, Alan B. Zonderman, Dieter Deforce, Peter Heutink, Brooke Sheppard, Jacquelyn Crane, Dongmei Yu, Danielle C. Cath, Rainald Moessner, Nancy J. Cox, Shaun Purcell, James A. Knowles, Daniel B. Mirel, Aline S. Sampaio, D. L. Murphy, R. Johnson, Jens R. Wendland, David V. Conti, Carolina Cappi, Paula Umaña, Marco A. Grados, Dan J. Stein, J. R. Gibbs, Humberto Nicolini, Anna Pluzhnikov, Denise A. Chavira, F. Van Nieuwerburgh, Valsamma Eapen, Lisa Osiecki, Christine Lochner, Juan C. Troncoso, Jeremy Veenstra-VanderWeele, Mark A. Riddle, Michael Wagner, Jeremiah M. Scharf, Beatriz Camarena, Edwin H. Cook, Ana Gabriela Hounie, Daniah Trabzuni, Donald W. Black, Scott L. Rauch, Marion Leboyer, Andrew Crenshaw, S. E. Stewart, Roel A. Ophoff, Dianne M. Hezel, Damiaan Denys, Gerald Nestadt, Melissa Parkin, Karin Egberts, Colin Smith, Anuar Konkashbaev, Danielle Posthuma, Vladimir Coric, James F. Leckman, Eric Strengman, Jack Samuels, Tobias J. Renner, Michael E. Weale, L. Ferrucci, Mark R. Cookson, Laura Bellodi, Oscar J. Bienvenu, C. Mayerfeld, Christopher K. Edlund, Youfa Wang, Robert Walker, Dan L. Longo, Maria Cristina Cavallini, James T. McCracken, Jesen Fagerness, H. R. Zielke, Homero Vallada, Chunyu Liu, Bernadette Cullen, Carol A. Mathews, Sian M. J. Hemmings, Allissa Dillman, E. Voyiaziakis, Fabio Macciardi, Eduardo Fournier, Benjamin D. Greenberg, Eric R. Gamazon, S. Arepalli, Margaret A. Richter, Bryan J. Traynor, Michael A. Jenike, J.H. Smit, M. A. Nalls, Lauren M. McGrath, Paul D. Arnold, H.G.M. Westenberg, W. Maier, Other departments, ANS - Amsterdam Neuroscience, Adult Psychiatry, Functional Genomics, Neuroscience Campus Amsterdam - Neurobiology of Mental Health, Neuroscience Campus Amsterdam - Brain Mechanisms in Health & Disease, Netherlands Institute for Neuroscience (NIN), Human genetics, Psychiatry, NCA - Brain mechanisms in health and disease, and NCA - Neurobiology of mental health

Subjects
Parents, Obsessive-Compulsive Disorder, OCD COLLABORATIVE GENETICS, SLC1A1, Genome-wide association study, genomic, 0302 clinical medicine, Polymorphism (computer science), TRANSPORTER GENE, GWAS, SNPS, Genetics, QUANTITATIVE TRAIT LOCI, 0303 health sciences, biology, Frontal Lobe, obsessive-compulsive disorder, Psychiatry and Mental health, EXPRESSION, Quantitative Trait Loci, TWIN, Nerve Tissue Proteins, Single-nucleotide polymorphism, Quantitative trait locus, Polymorphism, Single Nucleotide, Article, White People, 03 medical and health sciences, Cellular and Molecular Neuroscience, SDG 17 - Partnerships for the Goals, DLGAP, Genetic variation, mental disorders, LINKAGE, Humans, SNP, Genetic Predisposition to Disease, Molecular Biology, FAMILY-BASED ASSOCIATION, 030304 developmental biology, Biology and Life Sciences, neurodevelopmental disorder, SAP90-PSD95 Associated Proteins, Case-Control Studies, REPLICATION, Expression quantitative trait loci, biology.protein, genetic, 030217 neurology & neurosurgery, Genome-Wide Association Study
Abstract

Obsessive-compulsive disorder (OCD) is a common, debilitating neuropsychiatric illness with complex genetic etiology. The International OCD Foundation Genetics Collaborative (IOCDF-GC) is a multi-national collaboration established to discover the genetic variation predisposing to OCD. A set of individuals affected with DSM-IV OCD, a subset of their parents, and unselected controls, were genotyped with several different Illumina SNP microarrays. After extensive data cleaning, 1465 cases, 5557 ancestry-matched controls and 400 complete trios remained, with a common set of 469 410 autosomal and 9657 X-chromosome single nucleotide polymorphisms (SNPs). Ancestry-stratified case-control association analyses were conducted for three genetically-defined subpopulations and combined in two meta-analyses, with and without the trio-based analysis. In the case-control analysis, the lowest two P-values were located within DLGAP1 (P = 2.49 x 10(-6) and P = 3.44 x 10(-6)), a member of the neuronal postsynaptic density complex. In the trio analysis, rs6131295, near BTBD3, exceeded the genome-wide significance threshold with a P-value = 3.84 x 10(-8). However, when trios were meta-analyzed with the case-control samples, the P-value for this variant was 3.62 x 10(-5), losing genome-wide significance. Although no SNPs were identified to be associated with OCD at a genome-wide significant level in the combined trio-case-control sample, a significant enrichment of methylation QTLs (P < 0.001) and frontal lobe expression quantitative trait loci (eQTLs) (P = 0.001) was observed within the top-ranked SNPs (P < 0.01) from the trio-case-control analysis, suggesting these top signals may have a broad role in gene expression in the brain, and possibly in the etiology of OCD.

Published
2013

9. Identification of two heritable cross-disorder endophenotypes for Tourette Syndrome

Author

Cornelia Illmann, Dongmei Yu, Danielle C. Cath, Jeremiah M. Scharf, Robert A. King, Yves Dion, Carol A. Mathews, Marco Grados, William M. McMahon, Gholson J. Lyon, Cathy L. Budman, Paul C. Lee, Sabrina M. Darrow, Matthew E. Hirschtritt, Erica Greenberg, Kevin L. Delucchi, David L. Pauls, Lisa Osiecki, Paul Sandor, Lauren M. McGrath, and Lea K. Davis

Subjects
Adult, Male, medicine.medical_specialty, Multifactorial Inheritance, Obsessive-Compulsive Disorder, Adolescent, Endophenotypes, Mothers, Comorbidity, Tourette syndrome, Risk Assessment, Article, 03 medical and health sciences, Young Adult, 0302 clinical medicine, Child of Impaired Parents, mental disorders, medicine, Attention deficit hyperactivity disorder, Humans, Genetic Predisposition to Disease, Adhd symptoms, Psychiatry, Child, Genetic heterogeneity, Heritability, Middle Aged, medicine.disease, 030227 psychiatry, Psychiatry and Mental health, Phenotype, Attention Deficit Disorder with Hyperactivity, Endophenotype, Child, Preschool, Female, Psychology, 030217 neurology & neurosurgery, Genome-Wide Association Study, Tourette Syndrome
Abstract

Phenotypic heterogeneity in Tourette syndrome is partly due to complex genetic relationships among Tourette syndrome, obsessive-compulsive disorder (OCD), and attention deficit hyperactivity disorder (ADHD). Identifying symptom-based endophenotypes across diagnoses may aid gene-finding efforts.Assessments for Tourette syndrome, OCD, and ADHD symptoms were conducted in a discovery sample of 3,494 individuals recruited for genetic studies. Symptom-level factor and latent class analyses were conducted in Tourette syndrome families and replicated in an independent sample of 882 individuals. Classes were characterized by comorbidity rates and proportion of parents included. Heritability and polygenic load associated with Tourette syndrome, OCD, and ADHD were estimated.The authors identified two cross-disorder symptom-based phenotypes across analyses: symmetry (symmetry, evening up, checking obsessions; ordering, arranging, counting, writing-rewriting compulsions, repetitive writing tics) and disinhibition (uttering syllables/words, echolalia/palilalia, coprolalia/copropraxia, and obsessive urges to offend/mutilate/be destructive). Heritability estimates for both endophenotypes were high and statistically significant (disinhibition factor=0.35, SE=0.03; symmetry factor=0.39, SE=0.03; symmetry class=0.38, SE=0.10). Mothers of Tourette syndrome probands had high rates of symmetry (49%) but not disinhibition (5%). Polygenic risk scores derived from a Tourette syndrome genome-wide association study (GWAS) were significantly associated with symmetry, while risk scores derived from an OCD GWAS were not. OCD polygenic risk scores were significantly associated with disinhibition, while Tourette syndrome and ADHD risk scores were not.The analyses identified two heritable endophenotypes related to Tourette syndrome that cross traditional diagnostic boundaries. The symmetry phenotype correlated with Tourette syndrome polygenic load and was present in otherwise Tourette-unaffected mothers, suggesting that this phenotype may reflect additional Tourette syndrome (rather than OCD) genetic liability that is not captured by traditional DSM-based diagnoses.

Published
2016

10. Partitioning the heritability of Tourette syndrome and obsessive compulsive disorder reveals differences in genetic architecture

Author

Patrick Evans, Jay A. Tischfield, Anuar Konkashbaev, Richard Delorme, Sandra Catalina Mesa Restrepo, Margaret A. Richter, Gregory L. Hanna, Allan L. Naarden, Michele T. Pato, Jian Yang, Denise A. Chavira, Damiaan Denys, Paul Sandor, Michael A. Jenike, Sian M. J. Hemmings, Paul D. Arnold, Stephan Ruhrmann, H.G.M. Westenberg, Yves Dion, Cathy L. Barr, Andres Ruiz-Linares, Brooke Sheppard, Leonhard Lennertz, Eske M. Derks, Lauren M. McGrath, Barbara Kremeyer, Marion Leboyer, Victor I. Reus, Cornelia Illmann, S. Evelyn Stewart, Dan J. Stein, Ana Gabriela Hounie, James T. McCracken, R. Kurlan, Chunyu Liu, Aline S. Sampaio, Thomas L. Lowe, Benjamin M. Neale, Yehuda Pollak, Desmond Campbell, Fabio Macciardi, Mary M. Robertson, Benjamin D. Greenberg, Ben A. Oostra, Rainald Moessner, Gary A. Heiman, Nuria Lanzagorta, Sylvain Chouinard, Rianne M. Blom, Karin Egberts, Carlos N. Pato, David V. Conti, Carol A. Mathews, Ying Wang, Marco A. Grados, Julio C. Cardona Silgado, S. Hong Lee, H. Müller, Eric R. Gamazon, Humberto Nicolini, Jan Smit, Euripedes Constantino Miguel, Jens R. Wendland, Cathy L. Budman, Laura Bellodi, Danielle Posthuma, Jubel Morgan, David R. Rosenberg, John Piacentini, Hans J. Grabe, Mark A. Riddle, Beatriz Camarena, Naomi R. Wray, Eric Strengman, Dennis L. Murphy, Simon Girard, Christine Lochner, Ruth D. Bruun, Joseph Jankovic, Edwin H. Cook, William M. McMahon, Scott L. Rauch, James F. Leckman, Peter Falkai, Fortu Benarroch, Christopher K. Edlund, Gabriel Bedoya Berrío, Homero Vallada, Susanne Walitza, Nelson B. Freimer, Stephen A. Haddad, Yin Yao Shugart, Danielle C. Cath, Nancy J. Cox, Varda Gross-Tsur, Guy A. Rouleau, Bernadette Cullen, Michael H. Bloch, Dieter Deforce, David L. Pauls, Thomas V. Fernandez, Roel A. Ophoff, Filip Van Nieuwerburgh, Gerald Nestadt, Dongmei Yu, Helena Garrido, Robert A. King, James L. Kennedy, Clare L. Keenan, Lisa Osiecki, Jack Samuels, Jeremy Veenstra-VanderWeele, Ana V. Valencia Duarte, James A. Knowles, Patience J. Gallagher, Carolina Cappi, Maria Conceição do Rosário, Andrew J. Pakstis, Christopher Pittenger, Michael Wagner, Jeremiah M. Scharf, Daniel A. Geller, Vladimir Coric, Tobias J. Renner, Oscar J. Bienvenu, Roxana Romero, William Cornejo Ochoa, Peter Heutink, Lea K. Davis, Harvey S. Singer, Maria Cristina Cavallini, Psychiatry, Human genetics, NCA - Brain mechanisms in health and disease, NCA - Neurobiology of mental health, Department of Psychiatry and Mental Health, Faculty of Health Sciences, Univ Chicago, Harvard Univ, Broad Inst Harvard & MIT, Univ Amsterdam, Massachusetts Gen Hosp, Univ Queensland, Univ Hlth Network, Hosp Sick Children, Univ Vita Salute San Raffaele, Hadassah Hebrew Univ Med Ctr, Univ Pontificia Bolivariana, Johns Hopkins Univ, Yale Univ, North Shore Long Isl Jewish Med Ctr, NYU Med Ctr, North Shore Long Isl Jewish Hlth Syst, Hofstra Univ, Inst Nacl Psiquiatria Ramon de la Fuente Muniz, UCL, Univ Hong Kong, Universidade de São Paulo (USP), Vrije Univ Amsterdam, Univ Utrecht, Altrecht Acad Anxiety Ctr, Univ Milan, Univ Calif Los Angeles, Univ Calif San Diego, Univ Montreal, Univ Illinois, Univ Ghent, Inst Pasteur, French Natl Sci Fdn, Hop Robert Debre, Univ Wurzburg, Univ Munich, Univ Med Greifswald, Butler Hosp, Shaare Zedek Med Ctr, Rutgers State Univ, Univ Stellenbosch, Baylor Coll Med, Ctr Addict & Mental Hlth, Univ Toronto, Overlook Hosp, Carracci Med Grp, Inst Mondor Rech Biomed, Univ Bonn, Univ Calif San Francisco, UCI, Univ Utah, NIMH Intramural Res Program, Med City Dallas Hosp, Univ Med Ctr, Univ So Calif, Partners Psychiat & McLean Hosp, Sunnybrook Hlth Sci Ctr, St George Hosp, Sch Med, Hosp Nacl Ninos Dr Carlos Saenz Herrera, Universidade Federal de São Paulo (UNIFESP), Wayne State Univ, Detroit Med Ctr, McGill Univ, Univ Cologne, Universidade Federal da Bahia (UFBA), Youthdale Treatment Ctr, Johns Hopkins Univ Sch Med, Univ Cape Town, Univ Med Ctr Utrecht, Vanderbilt Univ, Univ Zurich, Inst Royal Netherlands Acad Arts & Sci NIN KNAW, Natl Inst Genom Med SAP, Vrije Univ Amsterdam Med Ctr, Erasmus Univ, Univ Michigan, German Ctr Neurodegenerat Dis, Erasmus MC, Univ British Columbia, Brigham & Womens Hosp, Davis, Lk, Yu, D, Keenan, Cl, Gamazon, Er, Konkashbaev, Ai, Derks, Em, Neale, Bm, Yang, J, Lee, Sh, Evans, P, Barr, Cl, Bellodi, Laura, Benarroch, F, Berrio, Gb, Bienvenu, Oj, Bloch, Mh, Blom, Rm, Bruun, Rd, Budman, Cl, Camarena, B, Campbell, D, Cappi, C, Cardona Silgado, Jc, Cath, Dc, Cavallini, Mc, Chavira, Da, Chouinard, S, Conti, Dv, Cook, Eh, Coric, V, Cullen, Ba, Deforce, D, Delorme, R, Dion, Y, Edlund, Ck, Egberts, K, Falkai, P, Fernandez, Tv, Gallagher, Pj, Garrido, H, Geller, D, Girard, Sl, Grabe, Hj, Grados, Ma, Greenberg, Bd, Gross Tsur, V, Haddad, S, Heiman, Ga, Hemmings, Sm, Hounie, Ag, Illmann, C, Jankovic, J, Jenike, Ma, Kennedy, Jl, King, Ra, Kremeyer, B, Kurlan, R, Lanzagorta, N, Leboyer, M, Leckman, Jf, Lennertz, L, Liu, C, Lochner, C, Lowe, Tl, Macciardi, F, Mccracken, Jt, Mcgrath, Lm, Mesa Restrepo, Sc, Moessner, R, Morgan, J, Muller, H, Murphy, Dl, Naarden, Al, Ochoa, Wc, Ophoff, Ra, Osiecki, L, Pakstis, Aj, Pato, Mt, Pato, Cn, Piacentini, J, Pittenger, C, Pollak, Y, Rauch, Sl, Renner, Tj, Reus, Vi, Richter, Ma, Riddle, Ma, Robertson, Mm, Romero, R, Rosàrio, Mc, Rosenberg, D, Rouleau, Ga, Ruhrmann, S, Ruiz Linares, A, Sampaio, A, Samuels, J, Sandor, P, Sheppard, B, Singer, H, Smit, Jh, Stein, Dj, Strengman, E, Tischfield, Ja, Valencia Duarte, Av, Vallada, H, Van Nieuwerburgh, F, Veenstra Vanderweele, J, Walitza, S, Wang, Y, Wendland, Jr, Westenberg, Hg, Shugart, Yy, Miguel, Ec, Mcmahon, W, Wagner, M, Nicolini, H, Posthuma, D, Hanna, Gl, Heutink, P, Denys, D, Arnold, Pd, Oostra, Ba, Nestadt, G, Freimer, Nb, Pauls, Dl, Wray, Nr, Stewart, Se, Mathews, Ca, Knowles, Ja, Cox, Nj, Scharf, Jm, Functional Genomics, Neuroscience Campus Amsterdam - Neurobiology of Mental Health, Neuroscience Campus Amsterdam - Brain Mechanisms in Health & Disease, Davis, Lea K, Yu, Dongmei, Keenan, Clare L, Gamazon, Eric R, Lee, S Hong, Scharf, Jeremiah M, Child and Adolescent Psychiatry / Psychology, Clinical Genetics, Other departments, ANS - Amsterdam Neuroscience, APH - Amsterdam Public Health, Adult Psychiatry, and Graduate School

Subjects
Cancer Research, Obsessive-Compulsive Disorder, COMPLEX DISEASES, Genome-wide association study, heritability, Genome-wide association studies, neurobehavioral disorders, COMMON SNPS, 0302 clinical medicine, Gene Frequency, Missing heritability problem, MISSING HERITABILITY, Cerebellum, Heritability of autism, BRAIN, Genetics (clinical), Genetics, ddc:616, Genetics & Heredity, 0303 health sciences, Chromosome 15, humanities, FAMILY, obsessive-compulsive disorder, genetics [Tourette Syndrome], Phenotype, NEUROPSYCHIATRIC DISORDERS, GENÔMICA, Research Article, EXPRESSION, lcsh:QH426-470, SNP, Biology, Quantitative trait locus, Genome-wide Complex Trait Analysis, Genetic correlation, behavioral disciplines and activities, Polymorphism, Single Nucleotide, Chromosomes, TIC DISORDERS, 03 medical and health sciences, Quantitative Trait, Heritable, mental disorders, genetic risk factors, Humans, ddc:610, AUTISM, Variant genotypes, Molecular Biology, Ecology, Evolution, Behavior and Systematics, 030304 developmental biology, genetics [Obsessive-Compulsive Disorder], Tourette syndrome, Parietal lobe, Biology and Life Sciences, Heritability, Genetic architecture, Minor allele frequency, Trastorno Obsesivo Compulsivo, lcsh:Genetics, pathology [Obsessive-Compulsive Disorder], genetic variation, pathology [Tourette Syndrome], Síndrome de Tourette, 030217 neurology & neurosurgery, GILLES, Genome-Wide Association Study, Tourette Syndrome
Abstract

The direct estimation of heritability from genome-wide common variant data as implemented in the program Genome-wide Complex Trait Analysis (GCTA) has provided a means to quantify heritability attributable to all interrogated variants. We have quantified the variance in liability to disease explained by all SNPs for two phenotypically-related neurobehavioral disorders, obsessive-compulsive disorder (OCD) and Tourette Syndrome (TS), using GCTA. Our analysis yielded a heritability point estimate of 0.58 (se = 0.09, p = 5.64e-12) for TS, and 0.37 (se = 0.07, p = 1.5e-07) for OCD. In addition, we conducted multiple genomic partitioning analyses to identify genomic elements that concentrate this heritability. We examined genomic architectures of TS and OCD by chromosome, MAF bin, and functional annotations. In addition, we assessed heritability for early onset and adult onset OCD. Among other notable results, we found that SNPs with a minor allele frequency of less than 5% accounted for 21% of the TS heritability and 0% of the OCD heritability. Additionally, we identified a significant contribution to TS and OCD heritability by variants significantly associated with gene expression in two regions of the brain (parietal cortex and cerebellum) for which we had available expression quantitative trait loci (eQTLs). Finally we analyzed the genetic correlation between TS and OCD, revealing a genetic correlation of 0.41 (se = 0.15, p = 0.002). These results are very close to previous heritability estimates for TS and OCD based on twin and family studies, suggesting that very little, if any, heritability is truly missing (i.e., unassayed) from TS and OCD GWAS studies of common variation. The results also indicate that there is some genetic overlap between these two phenotypically-related neuropsychiatric disorders, but suggest that the two disorders have distinct genetic architectures., Author Summary Family and twin studies have shown that genetic risk factors are important in the development of Tourette Syndrome (TS) and obsessive compulsive disorder (OCD). However, efforts to identify the individual genetic risk factors involved in these two neuropsychiatric disorders have been largely unsuccessful. One possible explanation for this is that many genetic variations scattered throughout the genome each contribute a small amount to the overall risk. For TS and OCD, the genetic architecture (characterized by the number, frequency, and distribution of genetic risk factors) is presently unknown. This study examined the genetic architecture of TS and OCD in a variety of ways. We found that rare genetic changes account for more genetic risk in TS than in OCD; certain chromosomes contribute to OCD risk more than others; and variants that influence the level of genes expressed in two regions of the brain can account for a significant amount of risk for both TS and OCD. Results from this study might help in determining where, and what kind of variants are individual risk factors for TS and OCD and where they might be located in the human genome.

Published
2013

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