Cited by 53Stress Responses and CortisolMemory and Neural MechanismsNeuroendocrine regulation and behavior

Behavioral insights from mouse models of forebrain- and amygdala-specific glucocorticoid receptor genetic disruption

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Arnett, Melinda G., Kolber, Benedict J., Boyle, Maureen P., Muglia, Louis J.·2011·Molecular and Cellular Endocrinology

Abstract

Genetic modulation of glucocorticoid receptor (GR) function in the brain using transgenic and gene knockout mice has yielded important insights into many aspects of GR effects on behavior and neuroendocrine responses, but significant limitations regarding interpretation of region-specific and temporal requirements remain. Here, we summarize the behavioral phenotype associated with two knockout mouse models to define the role of GRs specifically within the forebrain and amygdala. We report that forebrain-specific GR knockout mice exhibit impaired negative feedback regulation of the hypothalamic-pituitary-adrenal (HPA) axis and increased despair- and anxiety-like behaviors. In addition, mice with a disruption of GR specifically within the central nucleus of the amygdala (CeA) are deficient in conditioned fear behavior. Overall, these models serve as beneficial tools to better understand the biology of GR signaling in the normal stress response and in mood disorders.

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Authors
Arnett, M. G., Kolber, B. J., Boyle, M. P., & Muglia, L. J.
Affiliations
  • Vanderbilt University (US)
  • Washington University in St. Louis (US)
Corresponding author
Arnett, Melinda G.
Venue
Molecular and Cellular Endocrinology
Publisher
Elsevier BV
Published
2011-04
Volume
336
Issue
1-2
Pages
2-5
ISSN
0303-7207 (ISSN-L)
OpenAlex
W2047083143
Cited by
53
References
19
Citations by year
2026: 3 · 2024: 4 · 2023: 1 · 2021: 3 · 2020: 1 · 2019: 3 · 2018: 6 · 2017: 2 · 2016: 3 · 2015: 4 · 2014: 7 · 2013: 6 · 2012: 6
FWCI
2.20
Type
journal article
Language
en
Open access
Locations
  • Molecular and Cellular Endocrinology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institutes of Health (NIH (MH079010))
Topics
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
Keywords
glucocorticoid receptor, amygdala, central amygdala, hypothalamic-pituitary-adrenal axis, negative feedback regulation, anxiety-like behavior, despair-like behavior, fear conditioning, stress response, mood disorders, knockout mice
MeSH terms
Amygdala, Animals, Behavior, Animal, Organ Specificity, Receptors, Glucocorticoid, Gene Deletion, Models, Animal, Mice

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