Cited by 19Nicotinic Acetylcholine Receptors StudyNeuroscience and Neuropharmacology ResearchSmoking Behavior and Cessation

Short- and Long-Lasting Consequences of In Vivo Nicotine Treatment on Hippocampal Excitability

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Penton, Rachel E., Quick, Michael W., Lester, Robin A. J.·2011·The Journal of Neuroscience

Abstract

The potential for relapse following cessation of drug use can last for years, implying the induction of stable changes in neural circuitry. In hippocampal slices from rats treated with nicotine for 1 week, withdrawal from nicotine in vivo produces an increase in CA1 pyramidal cell excitability that persists up to 9 months. Immediately upon drug cessation, the enhanced excitability depends on input from regions upstream of CA1, while the long-term excitability change (> 4 weeks) is expressed as an increase in the intrinsic excitability of CA1 neurons. Re-exposure to nicotine in vitro restores hippocampal function to control levels via activation of high-affinity nicotinic acetylcholine receptors after 1 d of withdrawal, but not at times >4 weeks. Thus, nicotine in vivo first induces homeostatic adaptations followed by other more robust neural changes. These mechanisms may contribute to hippocampal localized cue-motivated reinstatement of drug-seeking and/or cognitive deficits observed during withdrawal.

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Authors
Penton, R. E., Quick, M. W., & Lester, R. A. J.
Affiliations
  • University of Alabama at Birmingham (US)
  • University of Southern California (US)
Corresponding author
Lester, Robin A. J.
Venue
The Journal of Neuroscience
Published
2011-02-16
Volume
31
Issue
7
Pages
2584-2594
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W2068450918
Cited by
19
References
77
Citations by year
2026: 1 · 2022: 1 · 2021: 1 · 2019: 1 · 2017: 1 · 2014: 3 · 2013: 3 · 2012: 3
FWCI
1.82
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute on Drug Abuse (DA-11940, R01DA011940)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Health Sciences › Medicine › Physiology › Smoking Behavior and Cessation
Keywords
nicotine, nicotine withdrawal, hippocampus, CA1 pyramidal neurons, neuronal excitability, intrinsic excitability, nicotinic acetylcholine receptors, homeostatic adaptation, relapse, drug-seeking behavior, cognitive impairment, long-term drug effects
MeSH terms
Action Potentials, Animals, Dihydro-beta-Erythroidine, Dose-Response Relationship, Drug, Drug Administration Schedule, Electric Stimulation, Hippocampus, Male, Nicotine, Tetrodotoxin, Time Factors, 2-Amino-5-phosphonovalerate, Rats, Sprague-Dawley, Patch-Clamp Techniques, Excitatory Amino Acid Antagonists, Nicotinic Agonists, 6-Cyano-7-nitroquinoxaline-2,3-dione, Excitatory Postsynaptic Potentials, Sodium Channel Blockers, Rats, In Vitro Techniques

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