Abstract
Aim: The aim of this study was to evaluate the effect of Dipteracanthus prostratus extracts on 1,2-dimethyl hydrazine (DMH) induced colon cancer in rats. Materials and Methods: To achieve this objective DMH model was selected to evaluate the effect of D. prostratus extracts on colon cancer. The study was carried out on 48 male Wistar rats divided into six groups. Group I served as a control. Groups II and III served as a positive control received ethanolic extract (500 mg/kg) and aqueous extract (500 mg/kg), respectively. Group IV served as a tumor bearing group received (20 mg/kg) DMH. Groups V and VI served as a treatment group received DMH (20 mg/kg) + ethanolic extract (500 mg/kg) and aqueous extract (500 mg/kg), respectively. Lipid peroxidation (LPO) was studied by measuring the formation of thiobarbituric acid reactive substances, catalase (CAT), glutathione peroxidase (GP X ), and reduced glutathione (GSH) in the liver and colonic tissues of DMH administered rats. Results: (1) Decreased levels of LPO in the colonic tissues; (2) decreased activities of antioxidant enzymes LPO, CAT, GP X , and GSH levels in the tissues on DMH treatment. D. prostratus supplementation during the entire period stages of carcinogenesis significantly reversed these activities. Conclusion: These results indicate that D. prostratus may be a potential chemopreventive agent against DMH induced colon cancer.
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