2019
DOI: 10.1038/s41467-019-12576-w
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International meta-analysis of PTSD genome-wide association studies identifies sex- and ancestry-specific genetic risk loci

Abstract: The risk of posttraumatic stress disorder (PTSD) following trauma is heritable, but robust common variants have yet to be identified. In a multi-ethnic cohort including over 30,000 PTSD cases and 170,000 controls we conduct a genome-wide association study of PTSD. We demonstrate SNP-based heritability estimates of 5–20%, varying by sex. Three genome-wide significant loci are identified, 2 in European and 1 in African-ancestry analyses. Analyses stratified by sex implicate 3 additional loci in men. Along with o… Show more

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Cited by 387 publications
(396 citation statements)
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“…We report 19 metabolite-phenotype associations that were identified at a false discovery rate (FDR) cutoff of 0.05 (Table 1, Supplementary Table 10, Supplementary Figure 26). The phenotypes (and significantly associated metabolites) were schizophrenia 32 31 (unknown metabolite X-24295), and attention deficit hyperactivity disorder (ADHD) 24 (orotate and malate). A two-sample MR analysis was performed for the 19 significant metabolite-phenotype associations.…”
Section: Figure 1 Gwas Meta-analysis Of the Csf Metabolomementioning
confidence: 99%
“…We report 19 metabolite-phenotype associations that were identified at a false discovery rate (FDR) cutoff of 0.05 (Table 1, Supplementary Table 10, Supplementary Figure 26). The phenotypes (and significantly associated metabolites) were schizophrenia 32 31 (unknown metabolite X-24295), and attention deficit hyperactivity disorder (ADHD) 24 (orotate and malate). A two-sample MR analysis was performed for the 19 significant metabolite-phenotype associations.…”
Section: Figure 1 Gwas Meta-analysis Of the Csf Metabolomementioning
confidence: 99%
“…Largescale molecular platforms, such as those involved with genome-wide association studies (GWAS) allow for the examination of millions of variants in association with traits, and afford an agnostic approach to discover genes and biologic systems involved with disorders. The most recent meta-analyses of GWAS data from the PGC PTSD workgroup (n~200,000) revealed numerous significant variants and quantified the molecular heritability of PTSD (Nievergelt et al, 2019). Collaborative efforts from the PGC have led to progress on finding epigenome-wide significant sites related to risk for PTSD (Smith et al, 2019).…”
Section: Ten Years Of Progress In Genomicsmentioning
confidence: 99%
“…The risk factors for developing PTSD are multifactorial [6][7][8][9][10][11][12] , and include history of prior stress exposure, level of social support, and premorbid psychological traits. PTSD is 30-40% heritable [13][14][15][16][17][18] and recent studies provide evidence of genome-wide significant risk loci associated with PTSD [18][19][20] .…”
Section: Introductionmentioning
confidence: 99%