Cited by 568Nicotinic Acetylcholine Receptors StudySmoking Behavior and CessationNeurotransmitter Receptor Influence on Behavior

The DOI matches its Crossref record; 32 of the 32 references it cites were found in a registry or an index.

Nicotine reinforcement and cognition restored by targeted expression of nicotinic receptors

Abstract

Worldwide, 100 million people are expected to die this century from the consequences of nicotine addiction, but nicotine is also known to enhance cognitive performance. Identifying the molecular mechanisms involved in nicotine reinforcement and cognition is a priority and requires the development of new in vivo experimental paradigms. The ventral tegmental area (VTA) of the midbrain is thought to mediate the reinforcement properties of many drugs of abuse. Here we specifically re-expressed the beta2-subunit of the nicotinic acetylcholine receptor (nAChR) by stereotaxically injecting a lentiviral vector into the VTA of mice carrying beta2-subunit deletions. We demonstrate the efficient re-expression of electrophysiologically responsive, ligand-binding nicotinic acetylcholine receptors in dopamine-containing neurons of the VTA, together with the recovery of nicotine-elicited dopamine release and nicotine self-administration. We also quantified exploratory behaviours of the mice, and showed that beta2-subunit re-expression restored slow exploratory behaviour (a measure of cognitive function) to wild-type levels, but did not affect fast navigation behaviour. We thus demonstrate the sufficient role of the VTA in both nicotine reinforcement and endogenous cholinergic regulation of cognitive functions.

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Crossref · 10.1038/nature03694

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Metadata

Authors
Maskos, U., Molles, B. E., Pons, S., Besson, M., Guiard, B. P., Guilloux, J.-P., Evrard, A., Cazala, P., Cormier, A., Mameli-Engvall, M., Dufour, N., Cloëz-Tayarani, I., Bemelmans, A.-P., Mallet, J., Gardier, A. M., David, V., Faure, P., Granon, S., & Changeux, J.-P.
Affiliations
  • Centre National de la Recherche Scientifique (FR)
  • Université Paris-Sud (FR)
Corresponding author
Changeux, J.-P.
Venue
Nature
Published
2005-07
Volume
436
Issue
7047
Pages
103-107
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2141456252
Cited by
566
References
32
Citations by year
2026: 7 · 2025: 19 · 2024: 7 · 2023: 18 · 2022: 10 · 2021: 18 · 2020: 21 · 2019: 17 · 2018: 21 · 2017: 17 · 2016: 15 · 2015: 26 · 2014: 32 · 2013: 34 · 2012: 32
FWCI
18.32
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Smoking Behavior and Cessation
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
nicotine, nicotinic acetylcholine receptors, beta2 subunit, ventral tegmental area, dopaminergic neurons, nicotine self-administration, nicotine reinforcement, nicotine dependence, cognitive function, exploratory behavior, lentiviral vectors, cholinergic modulation, dopamine release
MeSH terms
Animals, Cognition, Dopamine, Exploratory Behavior, Locomotion, Morphine, Neurons, Nicotine, Receptors, Nicotinic, Gene Expression, Ventral Tegmental Area, Receptors, Adrenergic, beta-2, Mice

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