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Inhibition of nitric oxide synthesis reduces intravenous cocaine self-administration in the rat
被引:33
作者:
Pulvirenti, L
Balducci, C
Koob, GF
机构:
[1] Scripps Res Inst, DEPT NEUROPHARMACOL, LA JOLLA, CA 92037 USA
[2] FDN IST NEUROL C MONDINO, PAVIA, ITALY
关键词:
cocaine;
nitric oxide;
drug dependence;
l-NAME;
D O I:
10.1016/S0028-3908(96)00152-9
中图分类号:
Q189 [神经科学];
学科分类号:
071006 ;
摘要:
The effects of a blockade of nitric oxide synthesis were studied in rats trained to self-administer cocaine intravenously. Pretreatment with Ng-nitro-1-arginine methyl ester (1-NAME; 10-50 mg/kg, intraperitoneally, twice daily for 4 days), significantly and dose-dependently suppressed the maintenance of intravenous cocaine self-administration and the absolute reward magnitude of cocaine. These results suggest that nitric oxide may play a role in cocaine abuse and dependence. (C) 1997 Elsevier Science Ltd.
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页码:1811 / 1814
页数:4
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