Recent Genetics and Epigenetics Approaches to PTSD.

Recent Genetics and Epigenetics Approaches to PTSD.
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最新的遗传学和表观遗传学方法是PTSD。

DOI:
10.1007/s11920-018-0898-7
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发表时间:
2018-04-05
影响因子:
6.7
通讯作者:
Ressler KJ
Ressler KJ
中科院分区:
医学2区
文献类型:
--
作者:
Daskalakis NP;Rijal CM;King C;Huckins LM;Ressler KJ

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Following a life-threatening traumatic exposure, about 10% of those exposed are at considerable risk for developing posttraumatic stress disorder (PTSD), a severe and disabling syndrome characterized by uncontrollable intrusive memories, nightmares, avoidance behaviors, and hyperarousal in addition to impaired cognition and negative emotion symptoms. This review will explore recent genetic and epigenetic approaches to PTSD that explain some of the differential risk following trauma exposure. A substantial portion of the variance explaining differential risk responses to trauma exposure may be explained by differential inherited and acquired genetic and epigenetic risk. This biological risk is complemented by alterations in the functional regulation of genes via environmentally induced epigenetic changes, including prior childhood and adult trauma exposure. This review will cover recent findings from large-scale genome-wide association studies as well as newer epigenome-wide studies. We will also discuss future “phenome-wide” studies utilizing electronic medical records as well as targeted genetic studies focusing on mechanistic ways in which specific genetic or epigenetic alterations regulate the biological risk for PTSD.
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