Cited by 321Obsessive-Compulsive Spectrum DisordersGenetic Associations and EpidemiologySchizophrenia research and treatment

Genome-wide association study in obsessive-compulsive disorder: results from the OCGAS

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Mattheisen, M, Samuels, J F, Wang, Y, Greenberg, B D, Fyer, A J, McCracken, J T, Geller, D A, Murphy, D L +21 more·2015·Molecular Psychiatry

Abstract

Obsessive-compulsive disorder (OCD) is a psychiatric condition characterized by intrusive thoughts and urges and repetitive, intentional behaviors that cause significant distress and impair functioning. The OCD Collaborative Genetics Association Study (OCGAS) is comprised of comprehensively assessed OCD patients with an early age of OCD onset. After application of a stringent quality control protocol, a total of 1065 families (containing 1406 patients with OCD), combined with population-based samples (resulting in a total sample of 5061 individuals), were studied. An integrative analyses pipeline was utilized, involving association testing at single-nucleotide polymorphism (SNP) and gene levels (via a hybrid approach that allowed for combined analyses of the family- and population-based data). The smallest P-value was observed for a marker on chromosome 9 (near PTPRD, P=4.13 × 10(-)(7)). Pre-synaptic PTPRD promotes the differentiation of glutamatergic synapses and interacts with SLITRK3. Together, both proteins selectively regulate the development of inhibitory GABAergic synapses. Although no SNPs were identified as associated with OCD at genome-wide significance level, follow-up analyses of genome-wide association study (GWAS) signals from a previously published OCD study identified significant enrichment (P=0.0176). Secondary analyses of high-confidence interaction partners of DLGAP1 and GRIK2 (both showing evidence for association in our follow-up and the original GWAS study) revealed a trend of association (P=0.075) for a set of genes such as NEUROD6, SV2A, GRIA4, SLC1A2 and PTPRD. Analyses at the gene level revealed association of IQCK and C16orf88 (both P<1 × 10(-)(6), experiment-wide significant), as well as OFCC1 (P=6.29 × 10(-)(5)). The suggestive findings in this study await replication in larger samples.

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Authors
Mattheisen, M., Samuels, J. F., Wang, Y., Greenberg, B. D., Fyer, A. J., McCracken, J. T., Geller, D. A., Murphy, D. L., Knowles, J. A., Grados, M. A., Riddle, M. A., Rasmussen, S. A., McLaughlin, N. C., Nurmi, E. L., Askland, K. D., Qin, H.-D., Cullen, B. A., Piacentini, J., Pauls, D. L., Bienvenu, O. J., Stewart, S. E., Liang, K.-Y., Goes, F. S., Maher, B., Pulver, A. E., Shugart, Y. Y., Valle, D., Lange, C., & Nestadt, G.
Affiliations
  • University of Bonn (DE)
  • Johns Hopkins University (US)
  • Brown University (US)
  • New York State Psychiatric Institute (US)
  • University of California, Los Angeles (US)
  • Harvard University (US)
  • National Institute of Mental Health (US)
  • University of Southern California (US)
Corresponding author
Nestadt, G
Venue
Molecular Psychiatry
Published
2014-05-13
Volume
20
Issue
3
Pages
337-344
ISSN
  • 1359-4184 (ISSN-L)
  • 1476-5578
OpenAlex
W2007417768
Cited by
321
References
60
Citations by year
2026: 11 · 2025: 27 · 2024: 16 · 2023: 22 · 2022: 19 · 2021: 33 · 2020: 26 · 2019: 45 · 2018: 28 · 2017: 37 · 2016: 31 · 2015: 16 · 2014: 9
FWCI
36.69
Type
journal article
Language
en
Open access
Locations
  • Molecular Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Digital Access to Scholarship at Harvard (DASH) (Harvard University) (submittedVersion, cc-by)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • International OCD Foundation
  • Lundbeckfonden (R155-2014-1724)
  • National Institutes of Health
  • National Institute of Mental Health (MH079494, R01MH071507, MH079488, MH071507, MH079487, MH079489, R01MH079489, R01MH079487, R01MH079488, R01MH079494, K23MH094613)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Obsessive-Compulsive Spectrum Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
Keywords
obsessive-compulsive disorder, genetic susceptibility, PTPRD, DLGAP1, GRIK2, glutamatergic synapses, GABAergic synapses, synaptic development, gene-environment interaction, early-onset OCD
MeSH terms
Adult, Chromosomes, Human, Pair 9, Cooperative Behavior, Family Health, Female, Follow-Up Studies, Genotype, Humans, Male, Obsessive-Compulsive Disorder, Genetic Predisposition to Disease, Oligonucleotide Array Sequence Analysis, Polymorphism, Single Nucleotide, Gene Expression Profiling, Receptor-Like Protein Tyrosine Phosphatases, Class 2, Genome-Wide Association Study, Young Adult

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