Cited by 47Nicotinic Acetylcholine Receptors StudySmoking Behavior and CessationPrenatal Substance Exposure Effects

Locomotor and stress responses to nicotine differ in adolescent and adult rats

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Cao, Junran, Belluzzi, James D., Loughlin, Sandra E., Dao, Jasmin M., Chen, YiLing, Leslie, Frances M.·2010·Pharmacology Biochemistry and Behavior

Abstract

Since adolescence is a critical period for the initiation of tobacco use, we have systematically compared behavioral and endocrine responses to nicotine in Sprague-Dawley rats of both sexes at early adolescence (postnatal day (P) 28), mid- adolescence (P38) and adulthood (P90). Locomotion and center time in a novel open field were evaluated for 30min following intravenous injection of saline or nicotine (60microg/kg), followed by measurement of plasma corticosterone. Complex age and sex differences in behavioral and endocrine response were observed, which were dependent on the functional endpoint examined. Whereas there were age differences in nicotine effects on all functional measures, sex differences were largely restricted to adult stress-related corticosterone and center-time responses. Although significant drug effects were detected at P28 and P90, there was no effect of nicotine at P38 on any measure examined. In saline-treated males, but not females, there were significant positive correlations across age between initial ambulatory counts and both initial vertical counts and total center time. Nicotine treatment increased correlations in both sexes, and yielded a significant negative interaction between initial ambulatory counts and plasma corticosterone. The unique responses of adolescents to nicotine are consistent with an immature function of nicotinic acetylcholine receptors at this age.

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Crossref · 10.1016/j.pbb.2010.04.010

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75 of 75 references verified0 citation errors · 0 not checkable

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  • Adolescents show enhanced locomotor activity following nicotine self-administration.

    “as well as enhanced locomotor activity following nicotine self-administration [191].”

    From Consequences of adolescent drug use (2023) · cites this paper as [191]

    The Discussion (Locomotor activity; page not available) reports increased ambulatory activity after nicotine only in younger adolescent rats. The Methods (Drug treatment and sample collection; page not available) say the rats received researcher-administered injections designed to model self-administration, not nicotine they self-administered. (LLM, conf=0.90)

    Experimental — accuracy not yet measured
  • Adolescent males show a strong anxiolytic response to nicotine that diminishes with age, whereas adolescent females show much lower anxiolytic or outright anxiogenic responses depending on the behavioral test.

    “Adolescent males have been shown to have a strong anxiolytic response to nicotine treatment which diminishes with age, whereas adolescent females have much lower anxiolytic or outright anxiogenic responses depending on the behavioral test (Elliott et al., 2004; Cao et al., 2010).”

    From Unique, long-term effects of nicotine on adolescent brain. (2020) · cites this paper as Cao et al., 2010

  • The early adolescent period is uniquely sensitive to the effects of nicotine as compared to late adolescence and adulthood.

    “Another key feature of the adolescent effects of nicotine, as seen in animal studies, is the unique sensitivity of the early adolescent period as compared to late adolescence and adulthood (Laviola et al. 2001; Cao et al. 2010; Dao et al. 2011; Kawai et al. 2011).”

    From <scp>N</scp> icotine and the adolescent brain (2015) · cites this paper as Cao et al. 2010

  • Sex differences in nicotine sensitivity at different phases of adolescence have been reported in preclinical studies.

    “Sex differences in nicotine sensitivity at different phases of adolescence have also been reported in preclinical studies (Cao et al. 2010; Kawai et al. 2011; Lenoir et al. 2015), and are consistent with clinical observations of differing developmental trajectories of tobacco use in males and females (Chen & Jacobsen, 2012).”

    From <scp>N</scp> icotine and the adolescent brain (2015) · cites this paper as Cao et al. 2010

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Research works printed but not linked: 1

  1. Benowitz NL Porchet H Jacob IP Wonnacott S RM Stolerman IP Pharmacokinetics, metabolism, and pharmacodynamics of nicotine Nicotine Pharmacology: Molecular, Celllular, and Behavioral Aspects 1990 Oxford Oxford University Press 112 151

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Authors
Cao, J., Belluzzi, J. D., Loughlin, S. E., Dao, J. M., Chen, Y., & Leslie, F. M.
Affiliations
  • University of Virginia (US)
  • University of California, Irvine (US)
Corresponding author
Cao, Junran
Venue
Pharmacology Biochemistry and Behavior
Publisher
Elsevier BV
Published
2010-07
Volume
96
Issue
1
Pages
82-90
ISSN
0091-3057 (ISSN-L)
OpenAlex
W1969562796
Cited by
47
References
75
Citations by year
2026: 1 · 2025: 1 · 2024: 1 · 2023: 3 · 2022: 5 · 2021: 3 · 2020: 5 · 2019: 2 · 2018: 4 · 2017: 4 · 2016: 4 · 2015: 4 · 2014: 3 · 2013: 2 · 2012: 1
FWCI
0.91
Type
journal article
Language
en
Open access
Locations
  • Pharmacology Biochemistry and Behavior (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • University of California, Irvine
  • National Institute on Drug Abuse (DA 19138, R01DA019138)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
  • Health Sciences › Medicine › Physiology › Smoking Behavior and Cessation
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Prenatal Substance Exposure Effects
Keywords
nicotine, adolescence, age differences, sex differences, locomotor activity, stress response, corticosterone, nicotinic acetylcholine receptors, tobacco initiation
MeSH terms
Age Factors, Animals, Corticosterone, Female, Male, Motor Activity, Nicotine, Stress, Psychological, Rats, Sprague-Dawley, Rats

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