Beneficial influence of ellagic acid on biochemical indexes associated with experimentally induced colon carcinogenesis

Journal of Cancer Research and Therapeutics
Umesalma Syed, Sudhandiran Ganapasam

Abstract

To elucidate the key biochemical indexes associated with 1, 2-dimethylhydrazine (DMH)-induced colon carcinogenesis and the modulatory efficacy of a dietary polyphenol, ellagic acid (EA). Wistar rats were chosen to study objective, and were divided into 4 groups; Group 1-control rats; Group 2-rats received EA (60 mg/kg body weight/day, orally); rats in Group 3-induced with DMH (20 mg/kg body weight) subcutaneously for 15 weeks; DMH-induced Group 4 rats were initiated with EA treatment. We examined key citric acid cycle enzymes such as isocitrate dehydrogenase, alpha-ketoglutarate dehydrogenase, succinate dehydrogenase, malate dehydrogenase and the activities of respiratory chain enzymes NADH dehydrogenase and Cytochrome-C-oxidase and membrane-bound enzyme profiles (Na +/K + ATPase, Ca 2+ ATPase and Mg 2+ ATPase), activities of lysosomal proteases such as β-D-glucuronidase, β-galactosidase and N-acety-β-D-glucosaminidase and cellular thiols (oxidized glutathione, protein thiols, and total thiols). It was found that administration of DMH to rats decreased both mitochondrial and membrane-bound enzymes activities, increased activities of lysosomal enzymes and further modulates cellular thiols levels. Treatment with EA significantly ...Continue Reading

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