Cited by 40Neurotransmitter Receptor Influence on BehaviorSmoking Behavior and CessationNicotinic Acetylcholine Receptors Study

Bupropion and nicotine enhance responding for nondrug reinforcers via dissociable pharmacological mechanisms in rats

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Palmatier, Matthew I., Levin, Melissa E., Mays, Kara L., Donny, Eric C., Caggiula, Anthony R., Sved, Alan F.·2009·Psychopharmacology

Abstract

Rationale Nicotine serves as a primary reinforcer but also potently enhances responding for nonnicotine stimuli with reinforcing properties. One of the most successful pharmacotherapies for smoking cessation, bupropion, also increases responding for nondrug reinforcers such as food and brain stimulation rewards.Objective The present studies investigated whether treatment with bupropion and nicotine had similar effects on responding for a reinforcing visual stimulus (VS). They also investigated whether the effects of bupropion and nicotine depended on common pharmacological substrates.Results Nicotine (0.4 mg/kg base) enhanced responding for the VS, and this enhancing effect increased across testing sessions, replicating our previous findings. Bupropion (3, 10, and 30 mg/kg salt) dose-dependently increased responding for the VS. Treatment with 10 and 30 mg/kg bupropion resulted in a profile similar to nicotine; operant responding increased over repeated drug treatments. The reinforcement enhancing effect of nicotine, but not bupropion, was blocked by pretreatment with the nicotinic acetylcholine receptor antagonist mecamylamine. In contrast, the reinforcement enhancing effect of bupropion, but not nicotine, was blocked by pretreatment with the alpha noradrenergic antagonist prazosin.Conclusion The reinforcement enhancing effects of nicotine and bupropion increased over time and repeated treatments suggesting a shared mechanism of action. However, the reinforcement enhancing effects of nicotine are mediated by nicotinic acetylcholine receptors, whereas the reinforcement enhancing effects of bupropion were mediated by alpha noradrenergic receptors.

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  • Both nicotine and bupropion increase responding for reinforcing non-drug stimuli.

    “and increase responding for reinforcing non-drug stimuli [229–231].”

    From Mechanistic insights into nicotine withdrawal (2011) · cites this paper as [230]

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Authors
Palmatier, M. I., Levin, M. E., Mays, K. L., Donny, E. C., Caggiula, A. R., & Sved, A. F.
Affiliations
  • Kansas State University (US)
  • University of Pittsburgh (US)
Corresponding author
Palmatier, Matthew I.
Venue
Psychopharmacology
Published
2009-09-17
Volume
207
Issue
3
Pages
381-390
ISSN
  • 0033-3158 (ISSN-L)
  • 1432-2072
OpenAlex
W2120343849
Cited by
40
References
76
Citations by year
2026: 1 · 2025: 2 · 2024: 1 · 2023: 2 · 2022: 1 · 2021: 2 · 2020: 2 · 2019: 1 · 2018: 2 · 2017: 1 · 2016: 4 · 2015: 3 · 2014: 6 · 2013: 1 · 2012: 4
FWCI
1.51
Type
journal article
Language
en
Open access
Locations
  • Psychopharmacology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute on Drug Abuse (R21DA024801, R01DA010464, DA-10464, DA19278, DA 24801, F32 DA019278)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Health Sciences › Medicine › Physiology › Smoking Behavior and Cessation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
Keywords
bupropion, nicotine, operant responding, mecamylamine, prazosin, nicotinic acetylcholine receptors, smoking cessation pharmacotherapy, repeated dosing
MeSH terms
Adrenergic alpha-Antagonists, Animals, Conditioning, Operant, Dose-Response Relationship, Drug, Male, Mecamylamine, Motivation, Nicotine, Prazosin, Reinforcement, Psychology, Reward, Time Factors, Bupropion, Rats, Sprague-Dawley, Nicotinic Agonists, Nicotinic Antagonists, Dopamine Uptake Inhibitors, Rats

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