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Theaflavin-3,3′-Digallate Enhances The Inhibitory Effect Of Cisplatin By Regulating The Copper Transporter 1 And Glutathione In Human Ovarian Cancer Cells, Haibo Pan, Eunhye Kim, Gary O. Rankin, Yon Rojanasakul, Youying Tu, Yi Charlie Chen
Theaflavin-3,3′-Digallate Enhances The Inhibitory Effect Of Cisplatin By Regulating The Copper Transporter 1 And Glutathione In Human Ovarian Cancer Cells, Haibo Pan, Eunhye Kim, Gary O. Rankin, Yon Rojanasakul, Youying Tu, Yi Charlie Chen
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Ovarian cancer has the highest fatality rate among the gynecologic cancers. The side effects, high relapse rate, and drug resistance lead to low long-term survival rate (less than 40%) of patients with advanced ovarian cancer. Theaflavin-3,3′-digallate (TF3), a black tea polyphenol, showed less cytotoxicity to normal ovarian cells than ovarian cancer cells. We aimed to investigate whether TF3 could potentiate the inhibitory effect of cisplatin against human ovarian cancer cell lines. In the present study, combined treatment with TF3 and cisplatin showed a synergistic cytotoxicity against A2780/CP70 and OVCAR3 cells. Treatment with TF3 could increase the intracellular accumulation of platinum …