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Eur Psychiatry. 2010 Jun;25(5):268-71. doi: 10.1016/j.eurpsy.2010.01.009. Epub 2010 May 6.

Stress, genetics and epigenetic effects on the neurobiology of suicidal behavior and depression.

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  • 1Division of Molecular Imaging and Neuropathology, Department of Psychiatry, Columbia University, 1051 Riverside Drive, Box 42, New York, NY 10032, USA. jjm@columbia.edu

Abstract

Alterations in a number of neurobiological systems have been associated with suicidal behavior including the serotonergic and noradrenergic systems and the hypothalamic-pituitary-adrenal axis. Altered functioning of these systems may stem from both genetic and developmental causes. Adversity in early-life has developmental consequences on these systems that persist into adulthood. Genetic differences may also contribute to alterations in functioning of neurobiological systems. Moreover, the interaction of early-life experiences of adversity and genetic vulnerability is increasingly thought to play a role, including via epigenetic mechanisms.

(c) 2010 Elsevier Masson SAS. All rights reserved.

PMID:
20451357
[PubMed - indexed for MEDLINE]
PMCID:
PMC2896004
Free PMC Article
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