2858804

GABA and the behavioral effects of anxiolytic drugs.

Article date: 1985/4/22

PubMed ID: 2858804

Journal name: Life sciences (ISSN: 0024-3205)

ABSTRACT

Much recent research has shown that benzodiazepine binding sites in the central nervous system are associated with GABA receptors. It is therefore possible that the pharmacological and therapeutic effects of benzodiazepines and drugs with similar profiles are mediated through GABAergic mechanisms. In this paper the evidence is considered for a possible involvement of GABA in the behavioral effects of anxiolytic drugs. There are a number of reports that the behavioral actions of anxiolytics can be antagonised by GABA antagonists such as bicuculline or picrotoxin but there are many contradictory findings and these drugs are difficult to use effectively in behavioral studies. In general, GABA agonists do not exert anxiolytic-like behavioral effects after systemic injection but intracerebral administration of muscimol has been shown to produce benzodiazepine-like actions. Although a number of questions remain unanswered, current evidence does not provide strong support for a role for GABA in the behavioral effects of anxiolytic drugs.

This document is available from: http://directlinks.cc/files/muscimol/2858804.pdf

Author List: Sanger D J

Publication Types: Journal Article; Review

Substances mentioned in the article: Anti-Anxiety Agents; Benzodiazepines; gamma-Aminobutyric Acid;

Mesh terms: Animals; Anti-Anxiety Agents/pharmacology; Benzodiazepines/administration & dosage; Brain/drug effects; Conditioning, Operant/drug effects; Discrimination Learning/drug effects; Drinking/drug effects; Eating/drug effects; Injections, Intraventricular; Models, Biological; Motor Activity/drug effects; Punishment; Reward; gamma-Aminobutyric Acid/physiology;

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