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PI3K/Akt抑制剂联合顺铂治疗肺癌的实验研究 被引量:3

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摘要 目的探讨PI3K/Akt抑制剂LY294002〔2-(4-吗啉基)-8-苯基-4氢-1-苯并吡喃-4-酮〕联合化疗药物顺铂(DDP)治疗肺癌的效应及可能机制,以期为肺癌的临床治疗提供新的理论依据。方法培养肺腺癌A549细胞,采用MTT方法及流式细胞仪检测LY294002联合DDP对A549细胞增殖及凋亡的影响;通过裸鼠移植瘤实验检测LY294002联合DDP对A549细胞成瘤性的影响。结果在一定剂量范围内,LY294002与DDP均可抑制A549细胞的生长,其抑制作用呈量-效关系。LY294002与DDP联合作用可增强对A549细胞的抑制作用。LY294002与DDP均可有效的诱导A549细胞凋亡,联用后凋亡率显著增加。裸鼠移植瘤实验显示,LY294002与DDP均可抑制移植瘤的生长,联用后抑瘤率增加。结论LY294002可增强DDP对A549细胞、裸鼠移植瘤的抗肿瘤作用,该作用可能是通过增强对A549细胞增殖的抑制以及诱导其凋亡来实现的。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2009年第22期2916-2918,共3页 Chinese Journal of Gerontology
基金 河南省教育厅科技攻关项目(2006320049)
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