Cited by 35Neurotransmitter Receptor Influence on BehaviorSubstance Abuse Treatment and OutcomesAlcohol Consumption and Health Effects

Glucocorticoid receptor modulators decrease alcohol self-administration in male rats

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McGinn, M. Adrienne, Tunstall, Brendan J., Schlosburg, Joel E., Gregory-Flores, Adriana, George, Olivier, de Guglielmo, Giordano, Mason, Barbara J., Hunt, Hazel J. +2 more·2021·Neuropharmacology

Abstract

Alcohol use disorder (AUD) is associated with the dysregulation of brain stress and reward systems, including glucocorticoid receptors (GRs). The mixed glucocorticoid/progesterone receptor antagonist mifepristone and selective GR antagonist CORT113176 have been shown to selectively reduce alcohol consumption in alcohol-dependent rats. Mifepristone has also been shown to decrease alcohol consumption and craving for alcohol in humans with AUD. The present study tested the effects of the GR modulators CORT118335, CORT122928, CORT108297, and CORT125134 on alcohol self-administration in nondependent (air-exposed) and alcohol-dependent (alcohol vapor-exposed) adult male rats. Different GR modulators recruit different GR-associated transcriptional cofactors. Thus, we hypothesized that these GR modulators would vary in their effects on alcohol drinking. CORT118335, CORT122928, and CORT125134 significantly reduced alcohol self-administration in both alcohol-dependent and nondependent rats. CORT108297 had no effect on alcohol self-administration in either group. The present results support the potential of GR modulators for the development of treatments for AUD. Future studies that characterize genomic and nongenomic effects of these GR modulators will elucidate potential molecular mechanisms that underlie alcohol drinking in alcohol-dependent and nondependent states.

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Authors
McGinn, M. A., Tunstall, B. J., Schlosburg, J. E., Gregory-Flores, A., George, O., de Guglielmo, G., Mason, B. J., Hunt, H. J., Koob, G. F., & Vendruscolo, L. F.
Affiliations
  • National Institutes of Health (US)
  • University of Tennessee Health Science Center (US)
  • Virginia Commonwealth University (US)
  • University of California San Diego (US)
  • Scripps Research Institute (US)
  • Corcept Therapeutics (United States) (US)
Corresponding author
McGinn, M. Adrienne
Venue
Neuropharmacology
Publisher
Elsevier BV
Published
2021-05
Volume
188
Pages
108510
ISSN
0028-3908 (ISSN-L)
OpenAlex
W3135351329
Cited by
35
References
54
Citations by year
2026: 7 · 2025: 5 · 2024: 5 · 2023: 8 · 2022: 8 · 2021: 2
FWCI
2.65
Type
journal article
Language
en
Open access
Locations
  • Neuropharmacology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
National Institutes of Health
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Health Sciences › Medicine › Epidemiology › Substance Abuse Treatment and Outcomes
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Alcohol Consumption and Health Effects
Keywords
glucocorticoid receptor modulators, alcohol self-administration, alcoholism, mifepristone, transcriptional cofactors
MeSH terms
Ethanol, Animals, Aza Compounds, Heterocyclic Compounds, 4 or More Rings, Isoquinolines, Male, Pyrazoles, Pyridines, Receptors, Glucocorticoid, Self Administration, Thymine, Mifepristone, Rats, Wistar, Rats

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