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Hypnotic action of pentobarbital in mice: a possible mechanism
Experimental Neurology
|July 1, 1987
Abstract:
The effect of GABA receptor agonists (THIP and baclofen) on the hypnotic activity (loss of righting reflex and sleep time) of pentobarbital in mice was investigated. Combinations of either THIP-pentobarbital or baclofen-pentobarbital interacted synergistically by increasing hypnotic activity. The GABAa receptor antagonist, bicuculline, decreased the hypnotic effect of THIP-pentobarbital combinations but not that of baclofen-pentobarbital combinations. These results suggest that the hypnotic activity of pentobarbital involves GABAa receptor function.