维生素E琥珀酸酯联合5-氟尿嘧啶抗人肝癌细胞增殖作用的研究

被引：5

作者：

刘涛

孔连宝

张业伟

宋德静

袁景伦

机构：

[1] 南京医科大学第一附属医院肝脏外科

来源：

中国生化药物杂志 | 2009年 / 30卷 / 03期

关键词：

维生素E琥珀酸酯; 5-氟尿嘧啶; 肝癌细胞; 凋亡;

D O I：

暂无

中图分类号：

R735.7 [肝肿瘤];

学科分类号：

100112 [医学生物化学与分子生物学];

摘要：

目的观察维生素E琥珀酸酯(VES)联合5-氟尿嘧啶(5-FU)抗人肝癌细胞SMMC-7721的增殖作用。方法体外培养的SMMC-7721细胞以VES联合5-FU分别作用24和48h,MTT法测定细胞增殖的抑制作用;流式细胞仪分析细胞周期、凋亡率以及Fas的表达。结果MTT检测显示,VES6μg/mL作用细胞24h后抑制率为(2.78±0.05)%,随药物浓度的增加和作用时间的延长,抑制率显著增加(P<0.01);相同条件下,VES与5-FU合用较两药单用抑制作用显著增加(P<0.01)。流式细胞仪分析显示,SMMC-7721细胞自然凋亡率为(0.86±0.20)%,VES24μg/mL,5-FU30μg/mL及两者合用作用细胞24h后凋亡率分别为(30.08±2.32)%,(18.23±1.58)%和(63.68±2.88)%(P<0.01),细胞表面Fas表达增加。结论VES联合5-FU通过阻滞细胞周期于G0/G1期、促进细胞表面Fas的表达协同抑制肝癌细胞增殖。

引用

页码：158 / 161

页数：4

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