Cited by 382Stress Responses and CortisolNeurotransmitter Receptor Influence on BehaviorTreatment of Major Depression

Mice with Genetically Altered Glucocorticoid Receptor Expression Show Altered Sensitivity for Stress-Induced Depressive Reactions

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Ridder, Stephanie, Chourbaji, Sabine, Hellweg, Rainer, Urani, Alexandre, Zacher, Christiane, Schmid, Wolfgang, Zink, Mathias, Hörtnagl, Heide +4 more·2005·The Journal of Neuroscience

Abstract

Altered glucocorticoid receptor (GR) signaling is a postulated mechanism for the pathogenesis of major depression. To mimic the human situation of altered GR function claimed for depression, we generated mouse strains that underexpress or overexpress GR, but maintain the regulatory genetic context controlling the GR gene. To achieve this goal, we used the following: (1) GR-heterozygous mutant mice (GR +/- ) with a 50% GR gene dose reduction, and (2) mice overexpressing GR by a yeast artificial chromosome resulting in a twofold gene dose elevation. GR +/- mice exhibit normal baseline behaviors but demonstrate increased helplessness after stress exposure, a behavioral correlate of depression in mice. Similar to depressed patients, GR +/- mice have a disinhibited hypothalamic-pituitary-adrenal (HPA) system and a pathological dexamethasone/corticotropin-releasing hormone test. Thus, they represent a murine depression model with good face and construct validity. Overexpression of GR in mice evokes reduced helplessness after stress exposure, and an enhanced HPA system feedback regulation. Therefore, they may represent a model for a stress-resistant strain. These mouse models can now be used to study biological changes underlying the pathogenesis of depressive disorders. As a first potential molecular correlate for such changes, we identified a downregulation of BDNF protein content in the hippocampus of GR +/- mice, which is in agreement with the so-called neurotrophin hypothesis of depression.

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Crossref · 10.1523/jneurosci.0736-05.2005

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  • Selective knockdown of GR expression in the corticolimbic system in rodents is associated with increased HPA activity under basal and stressful conditions.

    “Thus, selective knockdown of GR expression in the corticolimbic system in rodents is associated with increased HPA activity under basal as well as stressful conditions.125”

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Research works printed but not linked: 1

  1. Banbury Conference (1997) Mutant mice and neuroscience: recommenda- tions concerning genetic background. Banbury Conference on genetic background in mice. Neuron 19:755-759.

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Authors
Ridder, S., Chourbaji, S., Hellweg, R., Urani, A., Zacher, C., Schmid, W., Zink, M., Hörtnagl, H., Flor, H., Henn, F. A., Schütz, G., & Gass, P.
Affiliations
  • German Cancer Research Center (DE)
  • Heidelberg University (DE)
  • Charité – Universitätsmedizin Berlin (DE)
Corresponding author
Gass, Peter
Venue
The Journal of Neuroscience
Published
2005-06-29
Volume
25
Issue
26
Pages
6243-6250
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W2148316222
Cited by
382
References
6
Citations by year
2026: 1 · 2025: 5 · 2024: 6 · 2023: 8 · 2022: 11 · 2021: 12 · 2020: 12 · 2019: 18 · 2018: 14 · 2017: 25 · 2016: 27 · 2015: 18 · 2014: 27 · 2013: 28 · 2012: 36
FWCI
9.46
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Cold Spring Harbor Laboratory Institutional Repository (Cold Spring Harbor Laboratory) (acceptedVersion)
Funders
  • Alexander von Humboldt-Stiftung
  • Deutsche Forschungsgemeinschaft (SFB405, SFB 636)
  • Universität Heidelberg
Topics
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
Keywords
glucocorticoid receptor, major depressive disorder, hypothalamic-pituitary-adrenal axis, dexamethasone/corticotropin-releasing hormone test, stress tolerance, brain-derived neurotrophic factor, hippocampus, mouse model of depression
MeSH terms
Animals, Conditioning, Classical, Corticosterone, Depressive Disorder, Dexamethasone, Electroshock, Fear, Helplessness, Learned, Hippocampus, Housing, Animal, Mice, Mutant Strains, Models, Neurological, Nerve Growth Factors, Receptors, Glucocorticoid, Stress, Psychological, Brain-Derived Neurotrophic Factor, Mice

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