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

  • iPSYCH
  • , Schizophrenia Working Group of the Psychiatric Genomics Consortium
  • , Bipolar Disorder Working Group of the Psychiatric Genomics Consortium
  • , Major Depressive Disorder Working Group of the Psychiatric Genomics Consortium
  • , Sex Differences Cross-Disorder Analysis Group of the Psychiatric Genomics Consortium
  • The Department of Psychiatry and Neuropsychology
  • Maastricht University
  • Department of Psychiatry
  • Massachusetts General Hospital
  • Harvard University
  • Broad Institute
  • Department of Biomedicine
  • Aarhus University
  • H. Lundbeck A/S
  • Center for Genome Analysis and Personalized Medicine
  • Bioinformatics Research Centre (BiRC)
  • Biogen IDEC
  • Department of Neurology and Genetics
  • Yale University
  • Department of Biomedical Sciences
  • Colorado State University
  • University of Aberdeen
  • Northwell Health System
  • The Zucker School of Medicine at Hofstra/Northwell
  • The Zucker Hillside Hospital
  • University of Queensland
  • Queensland Health
  • Schizophrenia Research Institute
  • University of Newcastle
  • Priority Centre for Translational Neuroscience and Mental Health
  • MRC Centre for Neuropsychiatric Genetics and Genomics
  • Cardiff University
  • Departments of Genetics and Psychiatry
  • University of North Carolina at Chapel Hill
  • Department of Medical Epidemiology and Biostatistics
  • Karolinska Institutet
  • Department of Psychiatry
  • Trinity College Dublin
  • Department of Psychiatry and Human and Molecular Genetics
  • Virginia Commonwealth University
  • Medical and Population Genetics
  • University of Tartu
  • Centre for Psychiatry Research
  • KG Jebsen Centre for Psychosis Research
  • University of Oslo
  • University of Helsinki
  • Department of Clinical Neuroscience
  • Max Planck Institute of Experimental Medicine
  • Department of Psychiatry
  • The University of Hong Kong
  • Li Ka Shing Faculty of Medicine
  • Department of Psychiatry
  • Fujita Health University
  • Lieber Institute for Brain Development
  • Department of Psychiatry
  • Johns Hopkins University
  • Department of Psychiatry and Behavioral Neuroscience
  • The University of Chicago
  • Department of Psychiatry and Behavioral Sciences
  • NorthShore University HealthSystem
  • Department of Human Genetics and Neuroscience
  • Icahn School of Medicine at Mount Sinai
  • Department of Psychiatry
  • Department of Psychiatry
  • Martin Luther University Halle-Wittenberg
  • Ludwig Maximilian University of Munich
  • Mental Health Neuroscience Research Department
  • University College London
  • King's College London
  • Institute for Genomic Health
  • SUNY Downstate Health Sciences University
  • Department of Psychiatry
  • University of Southern California
  • Research Division
  • Singapore Institute of Mental Health
  • National University of Singapore
  • Norwegian Centre for Mental Disorders Research (NORMENT)
  • Center for Psychopharmacology
  • Diakonhjemmet Hospital
  • Department of Pharmaceutical Bio-sciences
  • University Medical Center Utrecht
  • Utrecht University
  • University of California at Los Angeles
  • Molecular Psychiatry Laboratory
  • Department of Clinical Sciences
  • Umeå University
  • School of Psychology
  • Genetics and Computational Biology
  • Queensland Institute of Medical Research
  • Neuroscience Research Australia
  • University of New South Wales
  • Vrije Universiteit Amsterdam
  • University of Amsterdam

Research output: Contribution to journal › Article › peer-review

Abstract

Background: Sex differences in incidence and/or presentation of schizophrenia (SCZ), major depressive disorder (MDD), and bipolar disorder (BIP) are pervasive. Previous evidence for shared genetic risk and sex differences in brain abnormalities across disorders suggest possible shared sex-dependent genetic risk. Methods: We conducted the largest to date genome-wide genotype-by-sex (G×S) interaction of risk for these disorders using 85,735 cases (33,403 SCZ, 19,924 BIP, and 32,408 MDD) and 109,946 controls from the PGC (Psychiatric Genomics Consortium) and iPSYCH. Results: Across disorders, genome-wide significant single nucleotide polymorphism–by-sex interaction was detected for a locus encompassing NKAIN2 (rs117780815, p = 3.2 × 10−8), which interacts with sodium/potassium-transporting ATPase (adenosine triphosphatase) enzymes, implicating neuronal excitability. Three additional loci showed evidence (p < 1 × 10−6) for cross-disorder G×S interaction (rs7302529, p = 1.6 × 10−7; rs73033497, p = 8.8 × 10−7; rs7914279, p = 6.4 × 10−7), implicating various functions. Gene-based analyses identified G×S interaction across disorders (p = 8.97 × 10−7) with transcriptional inhibitor SLTM. Most significant in SCZ was a MOCOS gene locus (rs11665282, p = 1.5 × 10−7), implicating vascular endothelial cells. Secondary analysis of the PGC-SCZ dataset detected an interaction (rs13265509, p = 1.1 × 10−7) in a locus containing IDO2, a kynurenine pathway enzyme with immunoregulatory functions implicated in SCZ, BIP, and MDD. Pathway enrichment analysis detected significant G×S interaction of genes regulating vascular endothelial growth factor receptor signaling in MDD (false discovery rate-corrected p < .05). Conclusions: In the largest genome-wide G×S analysis of mood and psychotic disorders to date, there was substantial genetic overlap between the sexes. However, significant sex-dependent effects were enriched for genes related to neuronal development and immune and vascular functions across and within SCZ, BIP, and MDD at the variant, gene, and pathway levels.

Original languageEnglish
Pages (from-to)102-117
Number of pages16
JournalBiological Psychiatry
Volume91
Issue number1
DOIs
Publication statusPublished - 23 Mar 2021
Externally publishedYes

Keywords

  • Affective stimuli impact
  • Dysphoric mood
  • Gender-differences
  • Genome-wide association
  • Kynurenine pathway metabolism
  • Ld score regression
  • Major depression
  • Paraventricular nucleus
  • Risk
  • Schizophrenia

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