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Ethanol suppression of schedule-controlled responding: interactions with Ro 15-4513, Ro 15-1788 and CGS 8216. 1988

F Woudenberg, and J L Slangen
Netherlands Institute for Drugs and Doping Research, Faculty of Pharmacy University of Utrecht.

Rats (N = 14) were trained to respond under a five seconds differential reinforcement of low rate (DRL 5'') schedule and under a fixed ratio 10 (FR10) schedule of reinforcement. Ro 15-1788 did not influence the number of responses in the DRL 5'' schedule, but increased responding in the FR10 schedule. Ethanol (ETOH, 1250 mg/kg) and CGS 8216 (5 mg/kg) suppressed responding in both schedules and these effects were not antagonized by Ro 15-1788. The response suppressing effects of ETOH in both schedules were not influenced by CGS 8216. These results indicate that the response suppressing effects of ETOH and CGS 8216 are not mediated by the BDZ receptor. Ro 15-4513 suppressed responding strongly in the FR10 schedule. The response suppressing effects of Ro 15-4513 were additive with the response suppressing effects of ETOH. In rats (N = 11) trained to respond under a variable interval 40 seconds-fixed ratio 10 (VI 40''-FR10) schedule Ro 15-4513 dose-dependently suppressed responding. These results indicate that Ro 15-4513 has sedative effects and is not able to antagonize all the behavioral actions of ETOH.

UI MeSH Term Description Entries
D008297 Male Males
D011720 Pyrazoles Azoles of two nitrogens at the 1,2 positions, next to each other, in contrast with IMIDAZOLES in which they are at the 1,3 positions.
D011919 Rats, Inbred Strains Genetically identical individuals developed from brother and sister matings which have been carried out for twenty or more generations or by parent x offspring matings carried out with certain restrictions. This also includes animals with a long history of closed colony breeding. August Rats,Inbred Rat Strains,Inbred Strain of Rat,Inbred Strain of Rats,Inbred Strains of Rats,Rat, Inbred Strain,August Rat,Inbred Rat Strain,Inbred Strain Rat,Inbred Strain Rats,Inbred Strains Rat,Inbred Strains Rats,Rat Inbred Strain,Rat Inbred Strains,Rat Strain, Inbred,Rat Strains, Inbred,Rat, August,Rat, Inbred Strains,Rats Inbred Strain,Rats Inbred Strains,Rats, August,Rats, Inbred Strain,Strain Rat, Inbred,Strain Rats, Inbred,Strain, Inbred Rat,Strains, Inbred Rat
D004347 Drug Interactions The action of a drug that may affect the activity, metabolism, or toxicity of another drug. Drug Interaction,Interaction, Drug,Interactions, Drug
D005442 Flumazenil A potent benzodiazepine receptor antagonist. Since it reverses the sedative and other actions of benzodiazepines, it has been suggested as an antidote to benzodiazepine overdoses. Flumazepil,Anexate,Lanexat,Ro 15-1788,Romazicon,Ro 15 1788,Ro 151788
D000427 Alcohol Deterrents Substances interfering with the metabolism of ethyl alcohol, causing unpleasant side effects thought to discourage the drinking of alcoholic beverages. Alcohol deterrents are used in the treatment of alcoholism. Deterrents, Alcohol
D000431 Ethanol A clear, colorless liquid rapidly absorbed from the gastrointestinal tract and distributed throughout the body. It has bactericidal activity and is used often as a topical disinfectant. It is widely used as a solvent and preservative in pharmaceutical preparations as well as serving as the primary ingredient in ALCOHOLIC BEVERAGES. Alcohol, Ethyl,Absolute Alcohol,Grain Alcohol,Alcohol, Absolute,Alcohol, Grain,Ethyl Alcohol
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
D001386 Azides Organic or inorganic compounds that contain the -N3 group. Azide
D001522 Behavior, Animal The observable response an animal makes to any situation. Autotomy Animal,Animal Behavior,Animal Behaviors

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