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자료유형
학술저널
저자정보
Park, Sun-Mi (Korea Research Institute of Bioscience and Biotechnology [KRIBB]) Han, Sang-Bae (Korea Research Institute of Bioscience and Biotechnology [KRIBB]) Hong, Dong-Ho (Korea Research Institute of Bioscience and Biotechnology [KRIBB]) Lee, Chang-Woo (Korea Research Institute of Bioscience and Biotechnology [KRIBB]) Park, Se-Hyung (Korea Research Institute of Bioscience and Biotechnology [KRIBB]) Jeon, Young-Jin (Korea Research Institute of Bioscience and Biotechnology [KRIBB]) Kim, Hwan-Mook (Korea Research Institute of Bioscience and Biotechnology [KRIBB])
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제23권 제1호
발행연도
2000.1
수록면
59 - 65 (7page)

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Cancer development and the efficiency of chemotherapy relies on the patients calcium-related pathological status such as hyper- or hypocalcemica. In the present study, we investigated the effect of extracellular cations such as calcium and magnesium on the therapeutic efficacy of antitumor drugs. The analytic parameters used were cellular drug uptake/excretion and the chemosensitivity of the human breast cancer cell lines, MCF7 and MCF7/ADR. Both calcium and magnesium ions decreased the membrane permeability of cancer cells, which was determined bycell size analysis. These divalent ions also lowered the drug uptake and the cytoplasmic levels of rhodamine 123 and adriamycin, suggesting that they might interfere with the diffusion of these drugs by modifying the physical properties of the cytoplasmic membrane. The acute cytotoxicity of adriamycin after a short period of incubation correlated with changes in its cytoplasmic level. Our results indicate that these extracellular cations might play an important role in the therapeutic activities of anticancer drugs in cancer patients. These results also provide insight a new aspect of chemotherapy, because they suggest that the therapeutic dose of anti-cancer drugs should be modified in cancer-bearing patients presenting with abnormal blood calcium levels.

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