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The cannabinoid receptor antagonist SR 141716 prevents acquisition of drinking behavior in alcohol-preferring rats
S Serra1, M A Carai, G Brunetti
1Neuroscienze S.c.a r.l., via Palabanda 9, I-09123, Cagliari, Italy.
European Journal of Pharmacology
|November 17, 2001
Abstract:
The cannabinoid CB(1) receptor antagonist, N-piperidino-5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-methyl-3-pyrazole-carboxamide) (SR 141716); 0.3-3 mg/kg, i.p., twice daily for 10 days), prevented the acquisition of alcohol drinking behavior in rats genetically selected for alcohol preference (Sardinian alcohol-preferring (sP) rats), having the free choice between alcohol (10%, v/v) and water. The results suggest that activation of cannabinoid CB(1) receptors is essential for the acquisition of alcohol drinking behavior in animals with a genetically determined alcohol preference.