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Effects of paclitaxel on drug resistance of lung cancer cells
Author(s): WANG Xuanyi, ZHANG Bing, HUANG Yuxiang, et al.Department of Oncology, First Affiliated Hospital, Nanjing Medical University, Nanjing 210029, CHINA
Pages: 1376-
1378
Year: 2012
Issue:
12
Journal: Jiangsu Medical Journal
Keyword: 紫杉醇; 肺癌细胞株; 耐药; 微小RNA-1;
Abstract: 目的探讨紫杉醇对人肺癌细胞株耐药性的影响及可能机制。方法紫杉醇作用于肺癌细胞株H1975、H820、A549和PC-9 48h后,采用细胞计数试剂盒8与流式细胞术分别检测细胞增殖的抑制率与凋亡率,Western blot法检测紫杉醇对肺癌细胞中MET、p-AKT、生存素蛋白表达的影响,RT-PCR检测紫杉醇作用前后miR-1表达的变化。结果紫杉醇对4株肺癌细胞生长有明显的抑制作用,并能促进细胞凋亡。紫杉醇能抑制H1975、PC-9和H820细胞中MET、p-AKT、生存素蛋白表达,而上调miR-1基因的表达。结论紫杉醇上调H1975、PC-9和H820细胞miR-1的表达,从而可能导致MET、p-AKT、生存素表达水平的降低。
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