Cited by 192Psychedelics and Drug StudiesNeurotransmitter Receptor Influence on BehaviorHallucinations in medical conditions

Antagonism of the effects of the hallucinogen dom and the purported 5-HT agonist quipazine by 5-HT2 antagonists

Glennon, Richard A., Young, Richard, Rosecrans, John A.·1983·European Journal of Pharmacology

Abstract

Rats trained to discriminate 1.0 mg/kg of 1-(2,5-dimethoxy-4-methylphenyl)-2-aminopropane (DOM) from saline in a two-lever operant choice task were administered doses of mescaline, LSD, 5-methoxy-N,N-dimethyltryptamine (5-OMe DMT), quipazine, TFMPP and RU-24969. The DOM-stimulus generalized to the three hallucinogenic agents and to quipazine, but not to the purported serotonin agonists TFMPP or RU-24969. Pretreatment of the animals with the 5-HT2 antagonists ketanserin and pirenperone antagonized the effect produced by DOM. Pirenperone also blocked DOM-stimulus generalization to mescaline, LSD, 5-OMe DMT and quipazine. The results of this study suggest that the discriminative stimulus effects of DOM, the three hallucinogenic agents to which DOM-stimulus generalization occurred, and quipazine, may involve those sub-populations of serotonin receptors that are labeled by tritiated ketanserin (i.e. 5-HT2 sites).

Integrity signals

Registry

Crossref · 10.1016/0014-2999(83)90464-8

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20 of 20 references verified0 citation errors · 0 not checkable

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  • Classic psychedelics are substances that bind to serotonin receptors in the brain with 5HT2A receptor selectivity.

    “To prevent any potential numerical errors, the term “classic psychedelics'' is used, referring to the category of substances that bind to serotonin receptors in the brain, with 5HT2A receptor selectivity [29].”

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Authors
Glennon, R. A., Young, R., & Rosecrans, J. A.
Affiliations
Virginia Commonwealth University (US)
Corresponding author
Glennon, Richard A.
Venue
European Journal of Pharmacology
Publisher
Elsevier BV
Published
1983-07
Volume
91
Issue
2-3
Pages
189-196
ISSN
0014-2999 (ISSN-L)
OpenAlex
W1983135802
Cited by
190
References
22
Citations by year
2026: 5 · 2025: 7 · 2024: 5 · 2023: 7 · 2022: 6 · 2021: 2 · 2020: 7 · 2019: 1 · 2018: 5 · 2017: 1 · 2016: 4 · 2015: 2 · 2014: 3
FWCI
15.17
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Pharmacology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Psychedelics and Drug Studies
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Hallucinations in medical conditions
Keywords
DOM, 5-HT2 receptor antagonist, quipazine, ketanserin, pirenperone, mescaline, LSD, hallucinogens, TFMPP, RU 24969, serotonin receptor agonists
MeSH terms
Amphetamines, Animals, DOM 2,5-Dimethoxy-4-Methylamphetamine, Ketanserin, Male, Piperidines, Quinolines, Quipazine, Rats, Inbred Strains, Serotonin Antagonists, Rats

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