Cited by 165Smoking Behavior and CessationNicotinic Acetylcholine Receptors StudyPrenatal Substance Exposure Effects

The nicotinic antagonist mecamylamine precipitates nicotine abstinence syndrome in the rat

Malin, David H., Ronald Lake, J., Carter, Victoria A., Scott Cunningham, J., Hebert, Kathleen M., Conrad, Delia L., Wilson, Owen B.·1994·Psychopharmacology

Abstract

Recently, a rodent model of nicotine abstinence syndrome has been developed based on observing the frequency of spontaneous behavioral signs following termination of continuous subcutaneous infusion of nicotine tartrate. In the present study, the nicotinic antagonist mecamylamine precipitated an abstinence syndrome in nicotine-dependent rats. Twelve rats were each infused for 7 days with 9 mg/kg per day nicotine tartrate in saline via Alzet osmotic minipumps; another 12 rats were sham-operated and remained nicotine-naive. Six rats from each group received 1 mg/kg mecamylamine in saline SC immediately before a 30-min observation, while the remaining six rats from each group received saline alone. Nicotine-infused rats receiving mecamylamine exhibited significantly more (P < 0.01), overall abstinence signs than all other groups. In terms of categories of signs, they displayed significantly more gasps/writhes, teeth chatter/chews, shakes/tremors and ptosis. In a second experiment utilizing only nicotine-naive rats, a far higher dose of mecamylamine (5 mg/kg sc) induced a quasi-nicotine abstinence syndrome. The results provide further validation for this rodent model of nicotine abstinence syndrome.

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Crossref · 10.1007/bf02244770

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  • In mice, after at least a week of chronic nicotine, stopping nicotine or giving an nAChR antagonist produces affective, somatic, and cognitive withdrawal signs.

    “After at least a week of chronic nicotine administration in mice, cessation of nicotine exposure or administration of a nAChR antagonist induces affective, somatic, and cognitive signs of withdrawal (Malin et al. 1994; De Biasi and Salas 2008).”

    From Nicotine Withdrawal (2015) · cites this paper as Malin et al. 1994

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Authors
Malin, D. H., Ronald Lake, J., Carter, V. A., Scott Cunningham, J., Hebert, K. M., Conrad, D. L., & Wilson, O. B.
Affiliations
  • University of Houston - Clear Lake (US)
  • Baylor College of Medicine (US)
Venue
Psychopharmacology
Published
1994-06
Volume
115
Issue
1-2
Pages
180-184
ISSN
  • 0033-3158 (ISSN-L)
  • 1432-2072
OpenAlex
W1982978113
Cited by
165
References
34
Citations by year
2025: 1 · 2024: 5 · 2022: 2 · 2021: 3 · 2020: 5 · 2019: 5 · 2018: 5 · 2017: 4 · 2016: 6 · 2015: 5 · 2014: 3 · 2013: 5 · 2012: 3
FWCI
3.62
Type
journal article
Language
en
Open access
closed
Locations
  • Psychopharmacology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Smoking Behavior and Cessation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Prenatal Substance Exposure Effects
Keywords
mecamylamine, nicotinic antagonists, nicotine dependence, rodent models, nicotinic acetylcholine receptors
MeSH terms
Animals, Behavior, Animal, Male, Mecamylamine, Nicotine, Substance Withdrawal Syndrome, Rats, Sprague-Dawley, Nicotinic Antagonists, Substance-Related Disorders, Rats

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