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紫杉醇对胶质瘤SHG-44细胞的增殖抑制和辐射增敏作用 被引量:2

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摘要 目的观察紫杉醇对胶质瘤SHG-44细胞的抑制及放射增敏作用,并探讨其作用机制。方法不同浓度紫杉醇(0、0.062 5、1.25、2.5、5和10μg/mL)作用于SHG-44细胞,MTT法检测紫杉醇对SHG-44细胞的增殖抑制作用;克隆形成法检测细胞辐射敏感性变化,流式细胞术检测细胞凋亡百分率变化。结果紫杉醇有明显的抑制SHG-44细胞增殖和提高其放射敏感性的作用,紫杉醇可提高3、6 Gy照射24 h后SHG-44细胞的凋亡率。结论紫杉醇对人胶质瘤SHG-44细胞具有杀伤及放射增敏作用。其可能机制是加强射线对肿瘤细胞的诱导凋亡效应,增强其杀伤肿瘤作用。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2012年第5期1010-1011,共2页 Chinese Journal of Gerontology
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