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KMID : 1123920070210040992
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Korean Journal of Oriental Physiology and Pathology
2007 Volume.21 No. 4 p.992 ~ p.997
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Synergistic Effect of Cisplatin and Berberine on Inhibition of Cell Growth and Induction of Apoptosis involving Oxidative Stress in HeLa Cells
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Cho Hae-Joong
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Abstract
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Cisplatin is a chemotherapeutic drug which is widely used for cancer therapy including cervical cancer. The purpose of this study is to elucidate synergistic effect of Cisplatin and Berberine on the apoptosis of HeLa cells and to determine whether oxidants are formed as part of apoptotic process. Apoptotic death of HeLa cells by cisplatin and berberine was confirmed by chromatin condensation of HeLa cells and flow cytometric analysis of intracellular ROS(reactive oxygen species) production. In MTT assay, Cell viability was decreased and enhanced ROS generation in combination of cisplatin and berberine significantly, as compared with cisplatin only. Synergistic effect of Cisplatin and Berberine on the inhibition of cell growth by apoptosis was clearly observed and ROS may play an important role in apoptosis. This effect suggest the possibility lowering the concentration of chemotherapeutic drugs, which alleviate the side effect of drugs.
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KEYWORD
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Berberine, Cisplatin, Synergistic effect, Apoptosis, ROS
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