Cited by 110Stress Responses and CortisolNeuropeptides and Animal PhysiologyNeurotransmitter Receptor Influence on Behavior

Prolonged and site-specific over-expression of corticotropin-releasing factor reveals differential roles for extended amygdala nuclei in emotional regulation

Regev, L, Neufeld-Cohen, A, Tsoory, M, Kuperman, Y, Getselter, D, Gil, S, Chen, A·2011·Molecular Psychiatry

Abstract

Corticotropin-releasing factor (CRF) has a key role in the central stress response, and altered levels of this neuropeptide are linked to stress-related psychopathologies such as anxiety and depression. These disorders are associated with the inability to properly regulate stress response, specifically following exposure to prolonged stressful stimuli. Therefore, the current study assessed the effects of prolonged and site-specific over-expression of CRF, which mimics the state of chronic production, in extended amygdala nuclei that are known to be involved in mediating anxiety-like states. We first constructed and generated lentiviruses that overexpress (OE) CRF in a robust and stable manner, and then generated two male mouse models continuously over-expressing CRF, either at the central nucleus of the amygdala (CeA), or at the dorsolateral subdivision of the bed nucleus of the stria terminalis (BNSTdl). After 4 months, behavioral assessments were conducted for anxiety and depressive indices on these mice. Surprisingly, prolonged CRF OE at the CeA attenuated stress-induced anxiety-like behaviors, whereas prolonged CRF OE in the BNSTdl increased depressive-like behaviors, without affecting anxiety levels. These results show possible differential roles for CRF expressed by distinct loci of the extended amygdala, in mediating stress-induced emotional behaviors.

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Crossref · 10.1038/mp.2010.64

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Authors
Regev, L., Neufeld-Cohen, A., Tsoory, M., Kuperman, Y., Getselter, D., Gil, S., & Chen, A.
Affiliations
Weizmann Institute of Science (IL)
Corresponding author
Chen, A
Venue
Molecular Psychiatry
Published
2010-06-15
Volume
16
Issue
7
Pages
714-728
ISSN
  • 1359-4184 (ISSN-L)
  • 1476-5578
OpenAlex
W1985387196
Cited by
110
References
71
Citations by year
2026: 1 · 2025: 2 · 2023: 2 · 2022: 3 · 2021: 7 · 2020: 7 · 2019: 8 · 2018: 6 · 2017: 7 · 2016: 14 · 2015: 6 · 2014: 10 · 2013: 11 · 2012: 13
FWCI
5.12
Type
journal article
Language
en
Open access
closed
Locations
  • Molecular Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
corticotropin-releasing factor, extended amygdala, central amygdala, bed nucleus of the stria terminalis, chronic stress, anxiety-like behavior, depression-like behavior, lentiviral overexpression, stress response, emotion regulation
MeSH terms
CRF Receptor, Type 1, Adaptation, Physiological, Amygdala, Animals, Anxiety, Behavior, Animal, Cell Line, Transformed, Corticotropin-Releasing Hormone, Disease Models, Animal, Exploratory Behavior, Genetic Vectors, Humans, Male, Mice, Inbred C57BL, RNA, Messenger, Reflex, Startle, Stress, Psychological, Time Factors, Transduction, Genetic, Transfection, Lentivirus, Receptors, Corticotropin-Releasing Hormone, Green Fluorescent Proteins, Mice

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