The effects of beta-carbolines in rats trained with ibogaine as a discriminative stimulus. 1998

S Helsley, and R A Rabin, and J C Winter
Department of Pharmacology and Toxicology, School of Medicine and Biomedical Sciences, State University of New York at Buffalo, USA. shelsley@ubmedd.buffalo.edu

The structural features and hallucinogenic properties shared by ibogaine and certain beta-carbolines prompted the evaluation of several representative beta-carbolines in rats trained with ibogaine as a discriminative stimulus. In a previous report from our laboratory harmaline completely substituted for ibogaine (83.5%). In the present study, only 6-methoxyharmalan completely substituted (86.3%). However, partial substitution was observed with harmine, harmane, harmalol, and tetrahydro-beta-carboline (THBC). Norharmane and 6,7-dimethoxy-4-ethyl-carboline-3-carboxylate (DMCM) failed to produce appreciable substitution. These results provide evidence for an ibogaine-like ether this extends to the previously reported anti-addictive effects of ibogaine remains to be established.

UI MeSH Term Description Entries
D007050 Ibogaine One of several indole alkaloids extracted from Tabernanthe iboga, Baill. It has a complex pharmacological profile, and interacts with multiple systems of neurotransmission. Ibogaine has psychoactive properties and appears to modulate tolerance to opiates. 12-Methoxyibogamine,Endabuse,NIH-10567,12 Methoxyibogamine,NIH 10567,NIH10567
D008297 Male Males
D011916 Rats, Inbred F344 An inbred strain of rat that is used for general BIOMEDICAL RESEARCH purposes. Fischer Rats,Rats, Inbred CDF,Rats, Inbred Fischer 344,Rats, F344,Rats, Inbred Fisher 344,CDF Rat, Inbred,CDF Rats, Inbred,F344 Rat,F344 Rat, Inbred,F344 Rats,F344 Rats, Inbred,Inbred CDF Rat,Inbred CDF Rats,Inbred F344 Rat,Inbred F344 Rats,Rat, F344,Rat, Inbred CDF,Rat, Inbred F344,Rats, Fischer
D002243 Carbolines A group of pyrido-indole compounds. Included are any points of fusion of pyridine with the five-membered ring of indole and any derivatives of these compounds. These are similar to CARBAZOLES which are benzo-indoles. Carboline,Pyrido(4,3-b)Indole,Beta-Carbolines,Pyrido(4,3-b)Indoles,Beta Carbolines
D004192 Discrimination, Psychological Differential response to different stimuli. Discrimination, Psychology,Psychological Discrimination
D005795 Generalization, Stimulus The tendency to react to stimuli that are different from, but somewhat similar to, the stimulus used as a conditioned stimulus. Generalizations, Stimulus,Stimulus Generalization,Stimulus Generalizations
D006213 Hallucinogens Drugs capable of inducing illusions, hallucinations, delusions, paranoid ideations, and other alterations of mood and thinking. Despite the name, the feature that distinguishes these agents from other classes of drugs is their capacity to induce states of altered perception, thought, and feeling that are not experienced otherwise. Hallucinogen,Hallucinogenic Agent,Hallucinogenic Drug,Hallucinogenic Substance,Psychedelic,Psychedelic Agent,Psychedelic Agents,Psychotomimetic Agent,Psychotomimetic Agents,Hallucinogenic Agents,Hallucinogenic Drugs,Hallucinogenic Substances,Psychedelics,Agent, Hallucinogenic,Agent, Psychedelic,Agent, Psychotomimetic,Agents, Hallucinogenic,Agents, Psychedelic,Agents, Psychotomimetic,Drug, Hallucinogenic,Drugs, Hallucinogenic,Substance, Hallucinogenic,Substances, Hallucinogenic
D006246 Harmaline A beta-carboline alkaloid isolated from seeds of PEGANUM. 3H-Pyrido(3,4-b)indole, 4,9-dihydro-7-methoxy-1-methyl-,Dihydroharmine,Harmidine
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus

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