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. 1990 Jun 8;113(3):286-91.
doi: 10.1016/0304-3940(90)90599-5.

Behavioral interactions between muscimol and compounds selective for the D1 and D2 dopamine receptor subtypes

K E Asin  1 , L M Bednarz
Affiliations

Behavioral interactions between muscimol and compounds selective for the D1 and D2 dopamine receptor subtypes

K E Asin et al. Neurosci Lett. .

Abstract

The present study investigated the effects of the GABA agonist muscimol on the behaviors produced by acute injections of selective D1 and D2 agonists and antagonists. Muscimol potentiated the intensity of stereotyped behaviors shown by rats treated with the D2 agonist quinpirole; in contrast, it suppressed the repetitive bouts of grooming shown by rats treated with SKF38393. Muscimol potentiated the catalepsy produced by either a D1 (SCH23390) or D2 (metoclopramide) antagonist, suggesting that the cataleptic behaviors produced by these compounds may contain a common GABAergic mechanism.

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