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索拉非尼联合吉非替尼对人肺癌细胞株A549的生长抑制作用 被引量:4

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摘要 目的探讨索拉非尼联合吉非替尼对肺癌细胞株A549增殖的抑制作用。方法用索拉非尼联合吉非替尼处理培养的肺癌细胞株A549,MTT法检测细胞抑制率,流式细胞术检测细胞凋亡,Western blot检测Bec-lin1蛋白表达;加用3-甲基腺嘌呤(3-MA)和两药联用,检测自噬和凋亡情况。结果索拉非尼与吉非替尼单药及联用均能抑制A549细胞生长,表现为时间-剂量依赖效应,两者具有协同作用;索拉非尼与吉非替尼联用使A549细胞的凋亡率显著升高,Beclin1蛋白表达增加;加用3-MA处理后,Beclin1蛋白表达减少,凋亡减少。结论索拉非尼联合吉非替尼对肺癌细胞株A549体外增殖的抑制作用具有协同效应,其机制与诱导自噬和凋亡两种途径相关。
出处 《广东医学》 CAS CSCD 北大核心 2013年第12期1826-1829,共4页 Guangdong Medical Journal
基金 江西省萍乡市2010年市级指导性计划项目(编号:萍科字[2010]55号-4)
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