Protective effects of Picorrhiza kurroa extract against 2-acetylaminofluorene-induced hepatotoxicity in Wistar rats

Journal of Environmental Pathology, Toxicology and Oncology : Official Organ of the International Society for Environmental Toxicology and Cancer
Sahar Rahman, Sarwat Sultana

Abstract

Picrorrhiza kurroa has been shown to impart significant hepatoprotective activities, partly by modulation of free radical--induced lipid peroxidation. Lipid peroxidation and reactive oxygen species are associated with hepatic injury. The effect of P. kurroa treatment on the antiproliferative response and, hepatic antioxidant enzymes of rats administered with 2-acetylaminofluorene (2-AAF) was studied in Wistar rats. 2-AAF (50 mg/kg body weight, i.p.) enhances hepatic lipid peroxidation, with reduction in hepatic glutathione content, glutathione peroxidase, glutathione reductase, catalase, and glutathione-s-transferase. There was an increase in the levels of transaminase enzymes and LDH. 2-AAF treatment also enhanced ornithine decarboxylase (ODC) activity and [3H] thymidine incorporation into hepatic DNA. Pretreatment of rats orally with P. kurroa extract (250 and 500 mg/kg body weight) resulted in significant decrease in lipid peroxidation, transaminase enzymes, LDH, hepatic ODC activity, and DNA synthesis (p < 0.001). Hepatic glutathione content (p < 0.001), glutathione metabolizing enzymes (p < 0.001), and antioxidant enzymes were also recovered to significant level (p < 0.001).

Citations

Apr 29, 2009·Journal of Food Science·A M Jiménez-MonrealM A Murcia

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