期刊
NEUROPHARMACOLOGY
卷 80, 期 -, 页码 115-132出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neuropharm.2014.01.013
关键词
Trauma; Stress-related disorders; PTSD; Epigenetics; DNA methylation; Gene by environment interaction
资金
- European Research Council [281338]
- European Research Council (ERC) [281338] Funding Source: European Research Council (ERC)
Epigenetic modifications in response to traumatic experience and stress are emerging as important factors in the long-term biological trajectories leading to stress-related psychiatric disorders, reflecting both environmental influences as well as individual genetic predisposition. In particular, recent evidence on DNA methylation changes within distinct genes and pathways but also on a genome-wide level provides new insights into the pathophysiology of stress related psychiatric disorders. This review summarizes current findings and concepts on DNA methylation changes in stress-related disorders with a focus on major depressive disorder and posttraumatic stress disorder (PTSD). We highlight studies of DNA methylation in animals and humans pertinent to these disorders, both focusing on candidate loci as well as genome-wide studies. We describe molecular mechanisms of how exposure to stress can induce long lasting changes in DNA methylation and how these may relate to the pathophysiology of depression and PTSD. We discuss data suggesting that DNA methylation, even in peripheral tissues, appears to be an informative reflection of environmental exposures on the genome and may have potential as a biomarker for the early prevention of stress-related disorders. This article is part of the Special Issue entitled 'Neuroepigenetic Disorders'. (C) 2014 Elsevier Ltd. All rights reserved.
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