Cited by 319Neurotransmitter Receptor Influence on BehaviorStress Responses and CortisolSubstance Abuse Treatment and Outcomes

Corticosteroid-dependent plasticity mediates compulsive alcohol drinking in rats

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Vendruscolo, Leandro F., Barbier, Estelle, Schlosburg, Joel E., Misra, Kaushik K., Whitfield, Timothy W., Logrip, Marian L., Rivier, Catherine, Repunte-Canonigo, Vez +4 more·2012·The Journal of Neuroscience

Abstract

Alcoholism is characterized by a compulsion to seek and ingest alcohol, loss of control over intake, and the emergence of a negative emotional state during abstinence. We hypothesized that sustained activation of neuroendocrine stress systems (e.g., corticosteroid release via the hypothalamic-pituitary-adrenal axis) by alcohol intoxication and withdrawal and consequent alterations in glucocorticoid receptor (GR) and mineralocorticoid receptor (MR) activation drive compulsive alcohol drinking. Our results showed that rats exposed to alcohol vapor to the point of dependence displayed increased alcohol intake, compulsive drinking measured by progressive-ratio responding, and persistent alcohol consumption despite punishment, assessed by adding quinine to the alcohol solution, compared with control rats that were not exposed to alcohol vapor. No group differences were observed in the self-administration of saccharin-sweetened water. Acute alcohol withdrawal was accompanied by downregulated GR mRNA in various stress/reward-related brain regions [i.e., prefrontal cortex, nucleus accumbens (NAc), and bed nucleus of the stria terminalis (BNST)], whereas protracted alcohol abstinence was accompanied by upregulated GR mRNA in the NAc core, ventral BNST, and central nucleus of the amygdala. No significant alterations in MR mRNA levels were found. Chronic GR antagonism with mifepristone (RU38486) prevented the escalation of alcohol intake and compulsive responding induced by chronic, intermittent alcohol vapor exposure. Chronic treatment with mifepristone also blocked escalated alcohol drinking and compulsive responding during protracted abstinence. Thus, the GR system appears to be involved in the development of alcohol dependence and may represent a potential pharmacological target for the treatment of alcoholism.

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Crossref · 10.1523/jneurosci.0069-12.2012

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  1. Cuello A Carson S Cuello A Microdisection of fresh rat brain tissue slices Brain microdissection techniques 1983 New York John Wiley & Son 37 126

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Authors
Vendruscolo, L. F., Barbier, E., Schlosburg, J. E., Misra, K. K., Whitfield, T. W., Logrip, M. L., Rivier, C., Repunte-Canonigo, V., Zorrilla, E. P., Sanna, P. P., Heilig, M., & Koob, G. F.
Affiliations
  • Scripps Research Institute (US)
  • National Institute on Alcohol Abuse and Alcoholism (US)
  • Salk Institute for Biological Studies (US)
Venue
The Journal of Neuroscience
Published
2012-05-30
Volume
32
Issue
22
Pages
7563-7571
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W1977137145
Cited by
319
References
81
Citations by year
2026: 5 · 2025: 9 · 2024: 15 · 2023: 19 · 2022: 27 · 2021: 22 · 2020: 22 · 2019: 25 · 2018: 32 · 2017: 30 · 2016: 26 · 2015: 27 · 2014: 31 · 2013: 26 · 2012: 3
FWCI
11.46
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (AA006420)
  • National Institute on Alcohol Abuse and Alcoholism (AA012602, AA013191, R01AA017371, AA006420, P50AA006420, F32AA018914, AA017371, R01AA012602, R01AA013191, T32AA007456, P60AA006420)
  • National Institute on Drug Abuse (AA006420, DA-004043, R01DA004043)
  • National Institute of General Medical Sciences (GM085659, R01GM085659)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Health Sciences › Medicine › Epidemiology › Substance Abuse Treatment and Outcomes
Keywords
alcoholism, glucocorticoid receptor, mineralocorticoid receptor, hypothalamic-pituitary-adrenal axis, alcohol withdrawal, mifepristone, nucleus accumbens, bed nucleus of the stria terminalis, central amygdala, progressive ratio responding, quinine
MeSH terms
Alcohol Drinking, Ethanol, Analysis of Variance, Animals, Brain, Central Nervous System Depressants, Compulsive Behavior, Conditioning, Operant, Hormone Antagonists, Male, Receptors, Glucocorticoid, Reinforcement Schedule, RNA, Messenger, Self Administration, Substance Withdrawal Syndrome, Mifepristone, Up-Regulation, Behavior, Addictive, Rats, Wistar, Receptors, Mineralocorticoid, Rats

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