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丝裂霉素联合尼美舒利对人膀胱癌EJ细胞增殖和Bcl-2、Bax表达的影响

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摘要 目的观察丝裂霉素(MMC)联合尼美舒利(NIM)对人膀胱癌EJ细胞增殖和Bcl-2、Bax表达的影响。方法将EJ细胞分为四组,对照组加入不作处理的细胞培养液,MMC组加入MMC100μl(2 mg/L),NIM组加入NIM100μl(300μmol/L),联合组加入MMC和NIM(剂量同前)。采用MTT法观察各组细胞生长抑制率,免疫组化染色法检测各组Bcl-2及Bax的表达情况。结果联合组244、8、72 h细胞生长抑制率低于其余三组,MMC组和NIM组生长抑制率亦低于对照组,三组均呈时间依赖性;联合组Bax阳性表达率高于其余三组,MMC组和NIM组高于对照组;MMC组和NIM组Bcl-2阳性表达率高于对照组。结论 MMC联合NIM可增强二者各自对EJ细胞的促凋亡作用,其可能机制与Bcl-2蛋白下调及Bax蛋白上调表达有关。
出处 《山东医药》 CAS 北大核心 2011年第11期55-56,共2页 Shandong Medical Journal
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