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尼美舒利对人胰腺癌PANC-1细胞生长及细胞周期分布的影响 被引量:4

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摘要 目的:探讨尼美舒利对体外培养的胰腺癌PANC-1细胞生长及细胞周期分布的影响。方法:以不同浓度的尼美舒利干预体外培养人胰腺癌PANC-1细胞,采用MTT比色法观察生长增殖,流式细胞仪检测细胞凋亡及细胞周期,分光光度法检测caspase-3活性,免疫组化方法观察Survivin蛋白表达的变化。结果:尼美舒利对人胰腺癌PANC-1细胞生长的抑制作用呈时间、剂量依赖性。尼美舒利作用48h后,流式细胞仪检测结果显示,细胞凋亡率明显升高,G0/G1期细胞比例升高,S期和G2/M期比例下降,呈剂量依赖关系。Caspase-3活性明显增高,呈剂量依赖性。免疫组化结果显示Survivin蛋白表达明显减弱。结论:尼美舒利抑制胰腺癌PANC-1细胞的生长和诱导其凋亡,可能与对细胞周期的阻滞、增强caspase-3的活性和下调Survivin蛋白表达有关。
出处 《广西医科大学学报》 CAS 2013年第1期27-30,共4页 Journal of Guangxi Medical University
基金 广西卫生厅科研资助项目(No.200925)
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