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KMID : 0043319970200040379
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Archives of Pharmacal Research
1997 Volume.20 No. 4 p.379 ~ p.383
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The Effect of Cyclosporin A on the Growth of human Glioma Cell Lines
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Pyen Jhin-Soo
Kim Soo-Kie
Choi Sun-Ju
Park Yoon-Sun
Cho Hyun-Chul
Han Young-Pyo
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Abstract
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Cyclosporin A, an potent immunosuppressant, has been known to be one of the modulators of drug resistance as well as a cytostatic drug. Despite many attempts to basic or clinical application of cyclosporin A, there are few reports on the inhibition of brain tumor cells. In the present experiment, the possibility of cyclosporin A as synergic adjuvant was investigated by MTT assay, thymidine uptake and through flowcytometric anaysis. Sole treatment of cyclosporin A on the CRT and CH235-MG glioma cell line revealed dose dependent cytotoxicity within a range of tested dose. Combined treatment of cyclosporin A with ACNU, BCNU and hydroxyurea on various glioma cancer cell line led to a significant synergistic cytotoxicity as well as inhibition of DNA synthesis with dose-dependency. In addition, cyclosporin A alone or combined treatment caused discernible changes of cell cycle in the tested cells. These data provide that cyclosporin A could potentiate the effect of nitrosourea compounds in vitro on human glioma cells.
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KEYWORD
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Cyclosporin A, Glioma, Adjuvant, Nitrosourea
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