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Abstract

Protective Effect of Bacoside-A against Morphine-Induced Oxidative Stress in Rats

Author(s): T Sumathi, VC Nathiya, M Sakthikumar

In the present study, we investigated the protective effect of bacoside-A the active principle isolated from the plant Bacopa monniera against oxidative damage induced by morphine in rat brain. Morphine intoxicated rats received 10- 160 mg/kg b.w. of morphine hydrochloride intraperitoneally for 21 days. Bacoside-A pretreated rats were administered with bacoside-A (10 mg/kg b.w/day) orally, 2 h before the injection of morphine for 21 days. Pretreatment with bacoside-A has shown to possess a significant protective role against morphine induced brain oxidative damage in the antioxidant status (total reduced glutathione, superoxide dismutase, catalase, glutathione peroxidase and lipid peroxidation) and membrane bound ATP-ases(Na+/K+ ATPase. Ca2+ and Mg2+ ATPases) activities in rat. The results of the present study indicate that bacoside-A protects the brain from oxidative stress induced by morphine.



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