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  • Title: Antioxidant and hepatoprotective potential of Aegle marmelos Correa. against CCl4-induced oxidative stress and early tumor events.
    Author: Khan TH, Sultana S.
    Journal: J Enzyme Inhib Med Chem; 2009 Apr; 24(2):320-7. PubMed ID: 18830880.
    Abstract:
    The antioxidant properties and inhibitory effect on early tumor promoter markers of A. marmelos (25 and 50 mg/Kg b. wt. orally) have been evaluated. Male Wistar rats were pre-treated for seven consecutive days with A. marmelos prior to CCl4 (1 mL Kg(- 1) body weight p. o., in corn oil [1:1 v/v]) treatment. Pre-treatment with A. marmelos suppressed lipid peroxidation (LPO), xanthine oxidase (XO) and release of serum toxicity marker enzymes viz, SGOT, LDH, SGPT dose-dependently and significantly (p < 0.001). Hepatic antioxidant status viz, reduced glutathione (GSH), glutathione reductase (GR), glutathione peroxidase (GPx), quinone reductase (QR), catalase (CAT) were concomitantly restored in A. marmelos-treated groups (p < 0.001). In addition, A. marmelos pretreatment also prevented the CCl4-enhanced ornithine decarboxylase (ODC) and hepatic DNA synthesis significantly (p < 0.001). In conclusion, carbon tetrachloride-induced liver toxicity was strikingly attenuated by A. marmelos treatment and the study gives some insight into the mechanisms involved in diminution of free radical generating toxicants and enhancement of the antioxidant armory, hence preventing further tissue damage, injury and hyperproliferation. Thus, these findings indicate that A. marmelos attenuates CCl4-mediated hepatic oxidative stress, toxicity, tumor promotion and subsequent cell proliferation response in Wistar rats.
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