Epigenetic pathways in PTSD: How traumatic experiences leave their signature on the genome

This research topic focuses on epigenetic components of PTSD. Epigenetic mechanisms are a class of molecular mechanisms by which environmental influences, including stress, can interact with the genome to have long-term consequences for brain plasticity and behavior. Articles herein include empirica...

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Bibliographic Details
Main Author: Tania L. Roth
Other Authors: Karestan C. Koenen, David M. Diamond
Format: eBook
Language:English
Published: Frontiers Media SA 2015
Series:Frontiers Research Topics
Subjects:
Online Access:
Collection: Directory of Open Access Books - Collection details see MPG.ReNa
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520 |a This research topic focuses on epigenetic components of PTSD. Epigenetic mechanisms are a class of molecular mechanisms by which environmental influences, including stress, can interact with the genome to have long-term consequences for brain plasticity and behavior. Articles herein include empirical reports and reviews that link stress and trauma with epigenetic alterations in humans and animal models of early- or later-life stress. Themes present throughout the collection include: DNA methylation is a useful biomarker of stress and treatment outcome in humans; epigenetic programming of stress-sensitive physiological systems early in development confers an enhanced risk on disease development upon re-exposure to trauma or stress; and, long-lived fear memories are associated with epigenetic alterations in fear memory and extinction brain circuitry.