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ORIGINAL ARTICLE
Year : 2014  |  Volume : 6  |  Issue : 1  |  Page : 19-28

Protection of CCl 4 -Induced Liver and Kidney Damage by Phenolic Compounds in Leaf Extracts of Cnestis ferruginea (de Candolle)


1 Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
2 Pharmacology Unit, H.E.J. Research Institute of Chemistry, University of Karachi, Karachi, Pakistan

Correspondence Address:
Adisa A Rahmat
Department of Biochemistry, College of Medicine of the University of Lagos, P.M.B. 12003, Lagos, Nigeria

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Source of Support: Organization for Women in Science for the Developing World (OWSDW) Postgraduate Fellowship given to Dr R.A Adisa which was utilized at H.E.J. Research Institute of Chemistry, University of Karachi, Karachi, Pakistan, Organization for Women in Science for the Developing World (OWSDW) Postgraduate Fellowship given to Dr R.A Adisa which was utilized at H.E.J. Research Institute of Chemistry, University of Karachi, Karachi, Pakistan,, Conflict of Interest: None


DOI: 10.4103/0974-8490.122913

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Background: The chemoprevention of chemically-induced hepatotoxicity is a crucial means of minimizing susceptibility to hepatic carcinogenesis and plants remain a rich source of anti-hepatotoxicants with antioxidant properties. Objective: The protective role of defatted-methanol (MECF) and ethyl acetate fractions (EF), obtained from Leaves of Cnestis ferruginea in rats induced with carbon tetrachloride (CCl 4 ) toxicity was investigated. Materials and Methods: Adult male Wistar rats were orally administered MECF or EF (125 - 500 mg/kg bwt/5mL) or silymarin (25 mg/kg bwt/5 mL) separately for three days before intervention with an intraperitoneal dose of CCl 4. Biomarkers of liver and kidney toxicity as well as Ca 2+ regulation were evaluated. Results: Pre-treatment with MECF and EF significantly (P < 0.05) decreased the activities of serum alanine and aspartate aminotransferases, levels of urea, creatinine and cholesterol. A significantly (P < 0.05) enhanced Ca 2+ -ATPase activity and lowered levels of membrane cholesterol: Phospholipid ratio were observed in liver microsomes of pre-treated as compared to CCl 4 -only treated rats. Rat liver superoxide dismutase activity was enhanced by 125 mg/kg and 250 mg/kg of EF and MECF, while decreases were observed at 500 mg/kg. MECF and EF, like silymarin, attenuated CCl 4 -induced hepatotoxicity, microsomal membrane Ca 2+ -ATPase inactivation and renal dysfunction. Phytochemistry of MECF revealed the presence of anthraquinones, cardiac and flavone glycosides, tannins and trihydroxyl phenol. Conclusion: These findings suggest that the mechanism of hepatoprotection elicited by MECF and EF, involve its antioxidative properties and regulation of Ca 2+ homeostasis.


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