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      • KCI등재후보

        Anticancer Activities of Pomegranate Extracts and Genistein in Human Breast Cancer Cells

        M.A. Louis Jeune,J. Kumi-Diaka,J. Brown 한국식품영양과학회 2005 Journal of medicinal food Vol.8 No.4

        Previous studies have demonstrated the anticarcinogenic activity of pomegranate extracts and genistein in aseries of human cancer cells. In the present study, the potential anticancer effects of pomegranate extracts and genistein oninhibition of cell proliferation and induction of apoptosis in human breast cancer cells was investigated. Human breast can-cer cells (MCF-7) were cultured as monolayers in complete RPMI 1640 medium. The cells were cultured for 48 hours to al-low growth and achieve about 80% confluence in 48-well culture plates, and then exposed to the agents for 24 hours in sin-gle and combination treatments. Post-treatment growth rate and apoptosis induction were assessed by the use of a series ofbioassayslactate dehydrogenase and 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetra-zolium (inner salt) for viability and cytotoxicity; acridine orange-ethidium bromide and terminal deoxyribonucleotidyl trans-ferase-mediated dUTP nick-end labeling assays for induction of apoptosis. Both pomegranate extracts and genistein had sig-nificant (dose- and time-dependent) cytotoxic and growth inhibition effects on MCF-7 cancer cells. Both growth inhibitionand cytotoxicity were significantly higher (P. .01) in the combination treatments than in the single treatments with eitheragent. The data revealed that both drugs in single and in combination treatments induced apoptosis in MCF-7 cells. Apop-totic induction in the combination treatments was significantly higher (P. .01) than in single treatments. Both pomegranateextracts and genistein inhibit the growth of MCF-7 breast cancer cells through induction of apoptosis, with combination treat-ment being more efficacious than single treatments.

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