Cited by 77Nicotinic Acetylcholine Receptors StudyNeuroscience and Neuropharmacology ResearchNeurotransmitter Receptor Influence on Behavior

Anxiolytic-like effects of the novel cholinergic channel activator ABT-418

Brioni, J D, O'Neill, A B, Kim, D J, Buckley, M J, Decker, M W, Arneric, S P·1994·The Journal of Pharmacology and Experimental Therapeutics

Abstract

The hydrochloride salt of (S)-3-methyl-5-(1-methyl-2-pyrrolidinyl) isoxazole (ABT-418), a potent activator of select subtypes of neuronal nicotinic acetylcholine receptors enhanced retention in memory tests and induced anxiolytic-like effects in mice in the elevated plus maze. In the present studies in rats, ABT-418 induced a significant increase in the time spent by the rats in the open arms of the elevated plus maze (0.62 mumol/kg i.p.); the effect persisted up to 60 min after the injection and was blocked by mecamylamine (15 mumol/kg), a centrally acting nicotinic acetylcholine receptor channel blocker. ABT-418 was 6-fold and 1.6-fold more potent than diazepam and ondansetron, respectively. The anxiolytic-like effect of ABT-418 was observed after oral administration in rats (10-30 mumol/kg) and at slightly higher doses in 20-month-old rats (1.9 mumol/kg i.p.). Major metabolites of ABT-418 [(S)-1-methyl-5-(3-methyl-5-isoxazolyl)-2-pyrrolidinone, cis-ABT-418 N-oxide and trans-ABT-418 N-oxide] were inactive in the plus maze in mice up to 6.2 mumol/kg, did not affect body temperature and had minimal effects on locomotion. Like (-)-nicotine, ABT-418 was effective (4 and 13 mumol kg-1 day-1) to induce anxiolytic-like effects after a 14-day treatment through minipumps implanted subcutaneously. Acute administration of ABT-418 (0.62 mumol/kg i.p.) also attenuated the anxiogenic-like effect elicited by withdrawal from chronic (-)-nicotine treatment.(ABSTRACT TRUNCATED AT 250 WORDS)

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Crossref · 10.1016/s0022-3565(25)22796-3

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  • The anxiolytic effects of ABT-418 were reversed by the nAChR antagonist mecamylamine.

    “Brioni et al. (1994) also showed that the anxiolytic effects of ABT-418 were reversed by the nAChR antagonist mecamylamine”

    From Nicotine addiction and psychiatric disorders (2015) · cites this paper as Brioni et al. (1994)

  • The α4β2 nAChR agonist ABT-418 increased open arm time in the elevated plus maze, and both ABT-418 and the α4β2 partial agonist ABT-089 reversed the anxiogenic effects of nicotine withdrawal.

    “an α4β2 nAChR agonist, ABT-418, was found to increase open arm time in the EPM and both ABT-418 and an α4β2 nAChR partial agonist, ABT-089, reversed the anxiogenic effects of nicotine withdrawal (Brioni et al., 1994; Decker et al., 1994; Yohn, Turner, & Blendy, 2014).”

    From Nicotine addiction and psychiatric disorders (2015) · cites this paper as Brioni et al., 1994

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Sorted by citations

Authors
Brioni, J. D., O'Neill, A. B., Kim, D. J., Buckley, M. J., Decker, M. W., & Arneric, S. P.
Affiliations
Abbott (United States) (US)
Venue
The Journal of Pharmacology and Experimental Therapeutics
Publisher
Elsevier BV
Published
1994-10
Volume
271
Issue
1
Pages
353-361
ISSN
0022-3565 (ISSN-L)
OpenAlex
W1767734194
Cited by
77
References
0
Citations by year
2025: 1 · 2023: 1 · 2022: 1 · 2020: 1 · 2019: 1 · 2016: 1 · 2015: 4 · 2013: 1 · 2012: 2
FWCI
2.26
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Pharmacology and Experimental Therapeutics (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed
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
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
ABT-418, anxiolytic-like effects, nicotinic acetylcholine receptors, elevated plus maze, mecamylamine, nicotine, nicotine withdrawal, metabolites, isoxazole derivatives, anxiogenic effects
MeSH terms
Administration, Oral, Animals, Cognition Disorders, Diazepam, Isoxazoles, Male, Mecamylamine, Nicotine, Pyrrolidines, Substance Withdrawal Syndrome, Anti-Anxiety Agents, Rats, Wistar, Maze Learning, Mice, Rats

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