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KMID : 1123920140280020162
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Korean Journal of Oriental Physiology and Pathology
2014 Volume.28 No. 2 p.162 ~ p.168
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Effects of Schisandra Chinensis on Human Breast Cancer Cells
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Kim Jung-Nam
Chae Han
Kwon Young-Kyu
Kim Byung-Joo
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Abstract
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Fruits of Schisandra chinensis (SC) Baill are considered a traditional herbal medicine for the treatment and alleviation of various diseases. The purpose of this study was to investigate the anti-cancer effects of SC extract in human breast adenocarcinoma cells (MCF-7). We used human breast adenocarcinoma cell line, MCF-7 cells. We examined cell death by MTT assay and caspase 3 and 9 assay with SC extract. To examine the inhibitory effects of SC extract, cell cycle (sub G1) analysis and mitochondrial membrane depolarization was done the MCF-7 cells after one day with SC extract. In addition, to investigate the transient receptor potential melastatin 7 (TRPM7) currents, we used the whole cell patch clamp techniques. Furthermore, TRPM7 channels were overexpressed in human embryonic kidney (HEK) 293 cells to identify the role of TRPM7 channels in MCF-7 cell growth and survival. SC extract inhibited the growth of MCF-7 cells in a dose-dependent fashion. Also we showed that SC extract induced apoptosis in MCF-7 cells by MTT assay, caspase 3 and 9 assay, sub-G1 analysis and mitochondrial membrane depolarization. SC extract inhibited the TRPM7 currents in MCF-7 cells and in TRPM7 overexpressed HEK 293 cells. Furthermore, TRPM7 channel overexpression in HEK 293 cells exacerbated SC extract-induced cell death. Our findings provide insight into unraveling the effects of SC extract in human breast adenocarcinoma cells and developing therapeutic agents against breast cancer.
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KEYWORD
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Schisandra chinensis, Human Breast Adenocarcinoma Cell, MCF-7, TRPM7 channel
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