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Genetic Liability to Posttraumatic Stress Disorder Symptoms and Its Association With Cardiometabolic and Respiratory Outcomes

生命银行 医学 孟德尔随机化 全基因组关联研究 精神科 体质指数 临床心理学 内科学 单核苷酸多态性 生物信息学 遗传学 基因型 遗传变异 生物 基因
作者
Gita A. Pathak,Kritika Singh,Karmel W. Choi,Yu Fang,Manuela R. Kouakou,Young A Lee,Xiang Zhou,Lars G. Fritsche,Frank R. Wendt,Lea K. Davis,Renato Polimanti
出处
期刊:JAMA Psychiatry [American Medical Association]
卷期号:81 (1): 34-34 被引量:8
标识
DOI:10.1001/jamapsychiatry.2023.4127
摘要

Importance Posttraumatic stress disorder (PTSD) has been reported to be a risk factor for several physical and somatic symptoms. However, the genetics of PTSD and its potential association with medical outcomes remain unclear. Objective To examine disease categories and laboratory tests from electronic health records (EHRs) that are associated with PTSD polygenic scores. Design, Setting, and Participants This genetic association study was conducted from July 15, 2021, to January 24, 2023, using EHR data from participants across 4 biobanks. The polygenic scores of PTSD symptom severity (PGS-PTSD) were tested with all available phecodes in Vanderbilt University Medical Center’s biobank (BioVU), Mass General Brigham (MGB), Michigan Genomics Initiative (MGI), and UK Biobank (UKBB). The significant medical outcomes were tested for overrepresented disease categories and subsequently tested for genetic correlation and 2-sample mendelian randomization (MR) to determine genetically informed associations. Multivariable MR was conducted to assess whether PTSD associations with health outcomes were independent of the genetic effect of body mass index and tobacco smoking. Exposures Polygenic score of PTSD symptom severity. Main Outcomes and Measures A total of 1680 phecodes (ie, International Classification of Diseases, Ninth Revision – and Tenth Revision –based phenotypic definitions of health outcomes) across 4 biobanks and 490 laboratory tests across 2 biobanks (BioVU and MGB). Results In this study including a total of 496 317 individuals (mean [SD] age, 56.8 [8.0] years; 263 048 female [53%]) across the 4 EHR sites, meta-analyzing associations of PGS-PTSD with 1680 phecodes from 496 317 individuals showed significant associations to be overrepresented from mental health disorders (fold enrichment = 3.15; P = 5.81 × 10 −6 ), circulatory system (fold enrichment = 3.32; P = 6.39 × 10 −12 ), digestive (fold enrichment = 2.42; P = 2.16 × 10 −7 ), and respiratory outcomes (fold enrichment = 2.51; P = 8.28 × 10 −5 ). The laboratory measures scan with PGS-PTSD in BioVU and MGB biobanks revealed top associations in metabolic and immune domains. MR identified genetic liability to PTSD symptom severity as an associated risk factor for 12 health outcomes, including alcoholism (β = 0.023; P = 1.49 × 10 −4 ), tachycardia (β = 0.045; P = 8.30 × 10 −5 ), cardiac dysrhythmias (β = 0.016, P = 3.09 × 10 −5 ), and acute pancreatitis (β = 0.049, P = 4.48 × 10 −4 ). Several of these associations were robust to genetic effects of body mass index and smoking. We observed a bidirectional association between PTSD symptoms and nonspecific chest pain and C-reactive protein. Conclusions and Relevance Results of this study suggest the broad health repercussions associated with the genetic liability to PTSD across 4 biobanks. The circulatory and respiratory systems association was observed to be overrepresented in all 4 biobanks.
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