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塞来昔布对人舌鳞癌Tca8113细胞survivin表达与诱导细胞凋亡的作用 被引量:2

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摘要 目的观察环氧化酶-2抑制剂塞来昔布对人舌鳞癌Tca8113细胞COX-2、survivin表达的影响及诱导细胞凋亡的作用。方法塞来昔布作用Tca8113细胞后,采用流式细胞术检测细胞周期分布及凋亡率,半定量RT-PCR法、Western Blot法检测COX-2、survivin mRNA及其蛋白表达变化。结果塞来昔布以剂量依赖方式抑制细胞周期进程的同时,其诱导细胞凋亡的作用也明显增强,塞来昔布下调survivin mRNA及其蛋白表达的同时抑制COX-2蛋白的表达,但对COX-2mRNA表达的抑制作用较弱。结论COX-2抑制剂塞来昔布下调survivin表达的作用可能与抑制肿瘤细胞生长、诱导细胞凋亡作用有关,其机制有待进一步研究。
出处 《广东医学》 CAS CSCD 北大核心 2010年第5期543-545,共3页 Guangdong Medical Journal
基金 广东省自然科学基金资助项目(编号:06024396)
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