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葡萄籽提取物对乳腺癌细胞增殖和Survivin基因表达的影响 被引量:2

Grape seed extract inhibit proliferation of breast cancer cell MCF-7 and decrease the gene expression of Survivin
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摘要 目的:观察葡萄籽提取物(GSE)对乳腺癌MCF-7细胞增殖抑制及对Survivin基因表达的影响,探讨GSE抑制肿瘤的分子生物学机制。方法:GSE剂量分别为40,80,120,160,200mg·L-1,在不同时间段,MTT法检测GSE对乳腺癌MCF-7细胞的增殖抑制作用,计算IC50,流式细胞术检测细胞周期变化。RT-PCR方法检测肿瘤细胞中Survivin mRNA表达水平。荧光素酶试剂盒观察GSE作用于含Survivin核心启动子的pGL3荧光报告载体后Survivin核心启动子的活性变化,并利用生物信息学软件分析Survivin核心启动子序列上的转录因子结合位点。结果:GSE能有效抑制乳腺癌MCF-7细胞的增殖,具有剂量和时间依赖性(P<0.05);GSE使细胞周期停滞于S期;GSE能有效抑制Survivin mRNA的表达(P<0.01);GSE明显降低Survivin基因核心启动子活性(P<0.01)。结论:GSE使细胞周期停滞于S期,从而抑制乳腺癌MCF-7细胞的增殖,其作用机制之一可能是通过调控与Survivin核心启动子活性相关的转录因子的活性,进而降低Survivin基因的表达水平而实现的。 Objective:To observe the effect of grape seed extract(GSE) on breast cancer cell MCF-7 about the of proliferation and the gene expression.of survivin,and to investigate the molecular biological mechanism of inhibition by GSE.Method:MTT was used to measure the role of proliferated inhibition of GSE at the dosage of 40,80,120,160,200 mg·L-1 with different time.To calculate the IC50 of GSE and to select the suitable concentration and treatment time.The change of cell cycle was detected by flow cytometry.mRNA e...
机构地区 蚌埠医学院
出处 《中国中药杂志》 CAS CSCD 北大核心 2009年第4期433-437,共5页 China Journal of Chinese Materia Medica
关键词 葡萄籽提取物 乳腺癌 细胞周期 SURVIVIN Survivin核心启动子 GSE breast cancer cell cycle Survivin core promoter of survivin
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参考文献4

  • 1冯建光.葡萄籽提取物的质量评定[J].中国食品添加剂,2004,15(2):49-51. 被引量:6
  • 2尹海林,Subrata Sen,杨文,杨光武,刘学旭.周期素A过表达诱导S期细胞凋亡的研究[J].华西医科大学学报,2001,32(2):188-190. 被引量:7
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