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辛伐他汀体外对人U251脑胶质瘤细胞增殖及凋亡的影响 被引量:15

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摘要 目的观察辛伐他汀体外对人U251胶质瘤细胞增殖及诱导其凋亡的作用。方法对照组和实验组分别行辛伐他汀干预,培养24、48、72、96 h,采用MTT比色法和流式细胞仪检测不同浓度及不同时间干预后人U251胶质瘤细胞增殖活性和细胞周期的变化;采用TUNEL法检测干预后细胞凋亡的情况及RT-PCR检测对照组和实验组在干预48 h后检测Caspase-3的表达。结果辛伐他汀体外可明显降低人U251胶质瘤细胞增殖活性及诱导其凋亡,浓度到达1.0μmol/L时抑制作用明显,与对照组相比具有显著性差异(P<0.05)。此外,辛伐他汀对人U251胶质瘤细胞的生长抑制呈明显的量-效关系。人U251胶质瘤细胞凋亡随药物浓度增加而显著,Caspase-3的表达亦呈剂量依赖关系。结论辛伐他汀在体外可一定程度上抑制人U251胶质瘤细胞的增殖及诱导其凋亡,Caspase-3参与细胞的凋亡过程。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2016年第12期2837-2840,共4页 Chinese Journal of Gerontology
基金 福建省自然科学基金资助项目(Z0516032) 福建省临床重点专科建设项目资助(2012)
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