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首页> 外文期刊>The Journal of Antibiotics: An International Journal >Suppression of Multidrug Resistance by Migrastatin
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Suppression of Multidrug Resistance by Migrastatin

机译:米格列汀抑制多药耐药性

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摘要

Migrastatin (MGS) is a Streptomyces metabolite that inhibits cancer cell migration.In this study,we found that MGS also enhanced the cytotoxicity of vinblastine,vincristine,and taxol in P-glycoprotein-overexpressing VJ-300 cells and P388/VCR cells.Furthermore,MGS increased the intracellular concentration of labeled vinblastine,vincristine,and taxol in both VJ-300 cells and P388/VCR cells.P-glycoprotein was photolabeled with [~3H]azidopine,but this photolabeling was significantly inhibited in the presence of MGS.These results indicated that MGS directly interacts with and inhibits P-glycoprotein,thereby sensitizing drug-resistant cells to anticancer drugs.
机译:Migrastatin(MGS)是一种可抑制癌细胞迁移的链霉菌代谢产物。在这项研究中,我们发现MGS还增强了过表达P糖蛋白的VJ-300细胞和P388 / VCR细胞中长春碱,长春新碱和紫杉醇的细胞毒性。 ,MGS增加了VJ-300细胞和P388 / VCR细胞中标记的长春碱,长春新碱和紫杉醇的细胞内浓度。P-糖蛋白被[〜3H]叠氮平光标记,但是这种光标记在MGS存在下被显着抑制。这些结果表明MGS直接与P-糖蛋白相互作用并抑制P-糖蛋白,从而使耐药细胞对抗癌药物敏感。

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