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Journal of Environmental Pathology, Toxicology and Oncology
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ISSN Druckformat: 0731-8898
ISSN Online: 2162-6537

Journal of Environmental Pathology, Toxicology and Oncology

DOI: 10.1615/JEnvironPatholToxicolOncol.v26.i3.40
pages 195-205

Protective Effects of Picorrhiza Kurroa Extract against 2-Acetylaminofluorene-Induced Hepatotoxicity in Wistar Rats

Sahar Rahman
Section of Chemoprevention and Nutrition Toxicology, Department of Medical Elementology and Toxicology, Jamia Hamdard (Hamdard University), Hamdard Nagar, New Delhi 110062, India
Sarwat Sultana
Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences amia Hamdard, New Delhi, India

ABSTRAKT

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 transa-minase 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).


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