五味子甲素逆转多药耐药相关蛋白1多药耐药机制的研究

被引：11

作者：

李玲

樊青霞

机构：

[1] 郑州大学第一附属医院肿瘤科

来源：

中华实用诊断与治疗杂志 | 2009年 / 23卷 / 09期

关键词：

五味子甲素; 多药耐药; MRP1; 逆转剂;

D O I：

暂无

中图分类号：

R730.53 [化学（药物）疗法];

学科分类号：

100112 [医学生物化学与分子生物学];

摘要：

目的:探讨五味子甲素对表达多药耐药相关蛋白1的肿瘤耐药细胞株的逆转耐药作用及相关机制。方法:FCM测定不同浓度五味子甲素对柔红霉素抑制HL60/ADR生长及同一浓度五味子甲素对不同化疗药物抑制HL60/ADR和HL60/MRP细胞生长的影响;五味子甲素作用前后,HL60/ADR和HL60/MRP细胞内化疗药物柔红霉素和MRP1特异性底物二醋酸羧基荧光素积聚的变化。结果:25μmol/L五味子甲素可有效降低HL60/ADR、HL60/MRP对柔红霉素、长春新碱和依托泊甙的半数抑制浓度,逆转倍数分别是5,11,16和3,3,13倍;五味子甲素能够增加柔红霉素和MRP1特异性底物二醋酸羧基荧光素在细胞内的积聚。结论:五味子甲素可以逆转不同化疗药物对MRP1介导的耐药,其逆转机制与增加化疗药物的积聚能力有关。

引用

页码：857 / 859

页数：3

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