Cited by 62Smoking Behavior and CessationNicotinic Acetylcholine Receptors StudyGenetic Associations and Epidemiology

From Men to Mice: CHRNA5/CHRNA3, Smoking Behavior and Disease

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Ware, Jennifer J., van den Bree, Marianne, Munafò, Marcus R.·2012·Nicotine & Tobacco Research

Abstract

INTRODUCTION: The nicotinic acetylcholine receptor (nAChR) gene cluster CHRNA5-A3-B4 on chromosome 15 has been the subject of a considerable body of research over recent years. Two highly correlated single nucleotide polymorphisms (SNPs) within this region--rs16969968 in CHRNA5 and rs1051730 in CHRNA3--have generated particular interest. METHODS: We reviewed the literature relating to SNPs rs16969968 and rs1051730 and smoking-related phenotypes, and clinical and preclinical studies, which shed light on the mechanisms underlying these associations. RESULTS: Following the initial discovery of an association between this locus and smoking behavior, further associations with numerous phenotypes have been subsequently identified, including smoking-related behaviors, diseases, and cognitive phenotypes. Potential mechanisms thought to underlie these have also been described, as well as possible gene × environment interaction effects. CONCLUSIONS: Perhaps counter to the usual route of scientific inquiry, these initial findings, based exclusively on human samples and strengthened by their identification through agnostic genome-wide methods, have led to preclinical research focused on determining the mechanism underlying these associations. Progress has been made using knockout mouse models, highlighting the importance of α5 nAChR subunits in regulating nicotine intake, particularly those localized to the habenula-interpeduncular nucleus pathway. Translational research seeking to evaluate the effect of nicotine challenge on brain activation as a function of rs16969968 genotype using neuroimaging technologies is now called for, which may point to new targets for novel smoking cessation therapies.

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Authors
Ware, J. J., van den Bree, M., & Munafò, M. R.
Affiliations
University of Bristol (GB)
Corresponding author
Ware, Jennifer J.
Venue
Nicotine & Tobacco Research
Published
2012-04-27
Volume
14
Issue
11
Pages
1291-1299
ISSN
  • 1462-2203 (ISSN-L)
  • 1469-994X
OpenAlex
W2128772060
Cited by
62
References
88
Citations by year
2026: 2 · 2025: 4 · 2024: 5 · 2023: 3 · 2022: 1 · 2021: 2 · 2020: 1 · 2019: 2 · 2018: 3 · 2017: 4 · 2016: 8 · 2015: 8 · 2014: 13 · 2013: 6
FWCI
0.94
Type
journal article
Language
en
Open access
Licence
cc-by-nc
Locations
  • Nicotine & Tobacco Research (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • ORCA Online Research @Cardiff (Cardiff University) (submittedVersion)
  • HighWire Press Open Archive (submittedVersion)
  • Explore Bristol Research (submittedVersion)
Funders
  • Wellcome Trust
  • Cancer Research UK
  • National Institute for Health and Care Research
  • British Heart Foundation
  • Medical Research Council
  • Economic and Social Research Council
Topics
  • Health Sciences › Medicine › Physiology › Smoking Behavior and Cessation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
Keywords
nicotinic acetylcholine receptors, CHRNA5, CHRNA3, rs16969968, rs1051730, smoking behavior, nicotine use, gene-environment interaction, knockout mouse models, smoking cessation, cognitive phenotypes
MeSH terms
Alcoholism, Animals, Behavior, Female, Humans, Lung Neoplasms, Male, Nerve Tissue Proteins, Phenotype, Receptors, Nicotinic, Smoking, Tobacco Use Disorder, Substance-Related Disorders, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide, Mice, Gene-Environment Interaction

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