[关键词]
[摘要]
目的:研究中药标准品对人肺腺癌耐顺铂细胞株A549/DDP的逆转效果。方法:通过细胞增殖实验研究耐药细胞株(A549/DDP)的耐药倍数和对所选中药标准品的耐受情况。回归分析计算中药标准品对A549/DDP的IC5作为其逆转耐药的工作浓度。研究中药标准品在工作浓度下对A549/DDP耐顺铂的逆转效果。结果:A549/DDP的耐药指数为31.79。A549/DDP对川芎嗪、苦参碱耐受良好。盐酸小檗碱、北豆根碱(蝙蝠葛碱)和冬凌草甲素对A549/DDP细胞增殖均有一定的抑制作用,且存在明显的量效关系,工作浓度时,均能逆转A549/DDP对顺铂的耐受性(P<0.01)。结论:所选的中药标准品能有效逆转A549/DDP对顺铂的耐药性。
[Key word]
[Abstract]
Objective: To investigate the reversal effects in A549/DDP by standard substances (SS) from Traditional Chinese Medicine. Methods: Cell proliferation assays were performed to investigate the Resistant Index of A549/DDP and its tolerance to selected SS. The working concentrations of SS, IC5 calculated by nonlinear regressions, were applied as reversal doses to investigate the effects. Results: The resistant index of A549/DDP was 31.79. Tetramethylpyrazine and Matrine were well tolerated. Berberine hydrochloride, Dauricine, Oridomin exhibited dose-depend inhibitory effects on A549/DDP cell line. The working concentrations of them could effectively reverse the resistance of A549/DDP cell line to DDP. (P<0.01). Conclusion: The selected standard substances from Traditional Chinese Medicine were capable to reverse the resistance of A549/DDP cell line to DDP.
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[基金项目]
国家科技部重大新药创制(2009ZX09103):肿瘤耐药逆转剂浙贝母总生物碱开发研究,负责人:胡凯文;北京中医药大学研究生自主科研课题(2017-JYB-XS-117): 通过肺癌耐顺铂细胞株A549/DDP活性测定评价选定中药单品逆转肿瘤耐药的活性,负责人:杨新阶。