Cited by 206Nicotinic Acetylcholine Receptors StudySmoking Behavior and CessationNeurotransmitter Receptor Influence on Behavior

The β2 but not α7 subunit of the nicotinic acetylcholine receptor is required for nicotine-conditioned place preference in mice

Walters, Carrie L., Brown, Sharon, Changeux, Jean-Pierre, Martin, Billy, Damaj, M. Imad·2006·Psychopharmacology

Abstract

Rationale Tobacco use is implicated in approximately 440,000 deaths per year, making it the leading cause of preventable death in the United States. Although it is generally recognized that tobacco use is correlated with a variety of health-related complications, many smokers are unsuccessful in their efforts to stop smoking using current cessation therapies. Objectives Given that nicotine is the addictive component of tobacco, successful smoking cessation therapies must address the various processes, including reward, which contribute to nicotine addiction. As such, determining the nicotinic receptor subtypes involved in nicotine reward is of utmost importance to understanding how nicotine addiction progresses. Methods Conditioned place preference (CPP) in three-chamber conditioning boxes was performed. For antagonist studies, drug was given on all conditioning sessions 10 min before nicotine or saline injection and placement in the boxes. Results We have demonstrated that a pretreatment with the alpha4beta2 subunit of the nicotinic acetylcholine receptor (nAChR) antagonist dihydro-beta-erythroidine (2.0 mg/kg, s.c.) blocked nicotine (0.5 mg/kg, s.c.) CPP in wild-type mice (C57BL/6 mice). In contrast, pretreatment with an antagonist of the alpha7 subunit of the nAChR, methyllycaconitine (MLA, 5.0 or 10.0 mg/kg, s.c.), had no effect on this behavior. Finally, we showed that mice lacking the beta2 subunit of the nAChR did not exhibit nicotine CPP while alpha7 knock-out mice di…

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Crossref · 10.1007/s00213-005-0295-x

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  • β2*-nAChRs are a critical neural substrate mediating the effects of nicotine in brain.

    “In recent years evidence has emerged that the β2*-nAChRs are a critical neural substrate mediating the effects of nicotine in brain.”
  • The β2-subunit has been linked primarily to the reinforcing effects of nicotine and combines with the α3-6 subunits.

    “Notably, the β2-subunit has been linked primarily to the reinforcing effects of nicotine22, 83, 84 and combines with the α3-6 subunits.”
  • Knockout of the α7 subunit in mice does not affect nicotine place preference or acquisition of nicotine self-administration.

    “Despite its contribution to nicotine-dependent plasticity in the VTA, knockout of the α7 subunit in mice does not affect nicotine place preference (Walters et al. 2006) or acquisition of nicotine self-administration (Pons et al. 2008).”

    From Mechanisms of Nicotine Addiction (2021) · cites this paper as Walters et al. 2006

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Authors
Walters, C. L., Brown, S., Changeux, J.-P., Martin, B., & Damaj, M. I.
Affiliations
  • Virginia Commonwealth University (US)
  • Institut Pasteur (FR)
Corresponding author
Walters, Carrie L.
Venue
Psychopharmacology
Published
2006-01-14
Volume
184
Issue
3-4
Pages
339-344
ISSN
  • 0033-3158 (ISSN-L)
  • 1432-2072
OpenAlex
W2142606268
Cited by
206
References
30
Citations by year
2026: 3 · 2025: 8 · 2024: 3 · 2023: 2 · 2022: 4 · 2021: 7 · 2020: 9 · 2019: 5 · 2018: 7 · 2017: 6 · 2016: 10 · 2015: 9 · 2014: 16 · 2013: 22 · 2012: 14
FWCI
7.35
Type
journal article
Language
en
Open access
closed
Locations
  • Psychopharmacology (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Funders
  • National Institutes of Health
  • National Institute on Drug Abuse (DA 07027, R01DA012610, DA 05274, DA-12610, T32DA007027)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
  • Health Sciences › Medicine › Physiology › Smoking Behavior and Cessation
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
nicotinic acetylcholine receptors, beta2 subunit, alpha7 subunit, nicotine reward, nicotine dependence, conditioned place preference, dihydro-beta-erythroidine, methyllycaconitine, tobacco use
MeSH terms
Aconitine, Animals, Choice Behavior, Conditioning, Psychological, Dihydro-beta-Erythroidine, Female, Heterozygote, Male, Mice, Inbred C57BL, Motivation, Premedication, Receptors, Nicotinic, Reinforcement Schedule, Social Environment, Tobacco Use Disorder, Mice, Knockout, Mice, alpha7 Nicotinic Acetylcholine Receptor

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