[Genetics of Posttraumatic Stress Disorder (PTSD)]

Post-traumatic stress disorder (PTSD) is a mental disorder following a severe traumatic experience and is characterized by high rates of comorbidity with related psychiatric disorders. However, even for individuals experiencing the same trauma, there is considerable inter-individual variability in the risk of PTSD, and this is largely thought to be determined by biological processes, such as genetic predisposition and epigenetic mechanism. In this review we will summarize recent research on genetics of PTSD, primarily focusing on candidate gene-association studies, targeting on functional genetic variants in the monoaminergic system and the hypothalamic-pituitary-adrenal (HPA) axis. In addition, results from recent genome-wide association studies (GWAS) will be reported and we will highlight the interplay of genetic factors with environmental factors, based on evidence from gene-environment interaction analysis and studies on the epigenetic regulation of PTSD. Finally, we will provide a brief outlook towards the potential and perspectives of pharmaco-genetic studies.
Psychother Psychosom Med Psychol 2018 :
PubMed: 30025422
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