Cited by 70Nicotinic Acetylcholine Receptors StudyTreatment of Major DepressionNeurotransmitter Receptor Influence on Behavior

Depressive Characteristics of FSL Rats

Tizabi, Yousef, Rezvani, Amir H., Russell, Lemuel T., Tyler, Khandra Y., Overstreet, David H.·2000·Pharmacology Biochemistry and Behavior

Abstract

Antidepressant effects of acute or chronic nicotine treatments in swim test immobility of Flinders sensitive line (FSL) rats, an animal model of depression, were recently demonstrated (Tizabi et al. Psychopharmacology 142:193, 1999). In the present study we sought to determine whether the antidepressant effects of nicotine could be blocked by the nicotinic antagonist, mecamylamine (MEC). Moreover, the effects of chronic nicotine treatment on [3H]cytisine binding in discrete brain regions of FSL and their control Flinders resistant line (FRL) rats were also evaluated. Adult male FSL rats were treated with MEC (0.5 mg/kg) 20 min prior to an acute or chronic nicotine administration. MEC by itself did not affect the immobility in swim test. However, it completely blocked the acute or chronic nicotine effects. Daily nicotine injection (0.4 mg/kg/day for 14 days) resulted in an increase in [3H]cytisine binding primarily in the FRL rats. An increase in nicotinic receptor binding following chronic nicotine administration is believed to reflect desensitization of these receptors. These findings, coupled with previous observation of higher basal nicotinic receptors in FSL rats, further support the involvement of central nicotinic receptors in depressive characteristics of these rats. Moreover, the data suggest therapeutic potential for selective nicotinic receptor agonists in depressive disorders.

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Crossref · 10.1016/s0091-3057(00)00236-7

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32 of 32 references verified0 citation errors · 0 not checkable

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  • Activation of nAChRs decreases depression-like behavior in the Flinders-sensitive rat model.

    “suggesting that activation of nAChRs de-creases depression-like behavior in this model (Tizabi et al. 2000)”

    From Mechanisms of Nicotine Addiction (2021) · cites this paper as Tizabi et al. 2000

  • Acute nicotine administration is antidepressant-like in the forced swim test in Flinders-sensitive rats.

    “acute nicotine administration is antidepressant-like in the forced swim test”

    From Mechanisms of Nicotine Addiction (2021) · cites this paper as Tizabi et al. 2000

  • The antidepressant-like effect of acute nicotine in Flinders-sensitive rats can be blocked by mecamylamine.

    “this effect can be blocked by the nicotinic antagonist mecamylamine”

    From Mechanisms of Nicotine Addiction (2021) · cites this paper as Tizabi et al. 2000

  • Mecamylamine can block the ability of nicotine to be effective in some models of antidepressant efficacy in selectively bred rats.

    “the nicotinic antagonist mecamylamine can block the ability of nicotine to be effective in some models of antidepressant efficacy in selectively bred rats (Tizabi et al., 2000).”
  • Mecamylamine can have antidepressant-like properties in mouse models, but antidepressant effects of this drug are not observed in assays of rats.

    “while the nicotinic antagonist mecamylamine can have antidepressant-like properties in mouse models (Picciotto et al., 2008; Picciotto et al., 2012), antidepressant effects of this drug are not observed in assays of rats (Tizabi et al., 2000)”

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Authors
Tizabi, Y., Rezvani, A. H., Russell, L. T., Tyler, K. Y., & Overstreet, D. H.
Affiliations
  • Howard University (US)
  • University of North Carolina at Chapel Hill (US)
Corresponding author
Tizabi, Yousef
Venue
Pharmacology Biochemistry and Behavior
Publisher
Elsevier BV
Published
2000-05
Volume
66
Issue
1
Pages
73-77
ISSN
0091-3057 (ISSN-L)
OpenAlex
W183627304
Cited by
70
References
35
Citations by year
2023: 1 · 2021: 2 · 2020: 3 · 2019: 3 · 2017: 4 · 2016: 1 · 2015: 4 · 2014: 2 · 2013: 3 · 2012: 2
FWCI
1.21
Type
journal article
Language
en
Open access
closed
Locations
  • Pharmacology Biochemistry and Behavior (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
Flinders Sensitive Line rats, depression, nicotine, mecamylamine, nicotinic acetylcholine receptors, chronic nicotine treatment, receptor desensitization, antidepressant effects, nicotinic agonists, animal models of depression
MeSH terms
Quinolizidine Alkaloids, Alkaloids, Animals, Antidepressive Agents, Azocines, Depression, Male, Mecamylamine, Nicotine, Quinolizines, Receptors, Nicotinic, Rats

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