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Trends Neurosci. 2012 May;35(5):315-24. doi: 10.1016/j.tins.2012.01.005. Epub 2012 Mar 2.

Sculpting the hippocampus from within: stress, spines, and CRH.

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  • 1Department of Anatomy/Neurobiology, University of California Irvine, Irvine, CA 92697, USA.

Abstract

Learning and memory processes carried out within the hippocampus are influenced by stress in a complex manner, and the mechanisms by which stress modulates the physiology of the hippocampus are not fully understood. This review addresses how the production and release of the neuropeptide corticotropin-releasing hormone (CRH) within the hippocampus during stress influences neuronal structure and hippocampal function. CRH functions in the contexts of acute and chronic stresses taking place during development, adulthood and aging. Current challenges are to uncover how the dynamic actions of CRH integrate with the well-established roles of adrenal-derived steroid stress hormones to shape the cognitive functions of the hippocampus in response to stress.

Copyright © 2012 Elsevier Ltd. All rights reserved.

PMID:
22386641
[PubMed - indexed for MEDLINE]
PMCID:
PMC3423222
Free PMC Article
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