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同时沉默IGF-1R和EGFR基因对肝癌HepG2细胞株生长抑制的作用机理
引用本文:廖玉华,袁玉林,周绪红.同时沉默IGF-1R和EGFR基因对肝癌HepG2细胞株生长抑制的作用机理[J].武汉大学学报(医学版),2011,32(3):303-307,后插2.
作者姓名:廖玉华  袁玉林  周绪红
作者单位:1. 武汉大学医学院解剖学教研室,湖北武汉,430071
2. 武汉大学中南医院耳鼻喉科,湖北武汉,430071
摘    要:目的:同时沉默表皮生长因子受体(EGFR)、胰岛素样生长因子-1受体(IGF-1R)基因,研究其抗瘤疗效及作用机理.方法:分别构建靶向EGFR、IGF-1R及两受体的小分子干扰RNA(siRNA-EGFR、siRNA-IGF-1R、siRNA-EGFR&IGF-1R),构建与任何基因无同源的阴性对照质粒(siRNA-H...

关 键 词:表皮生长因子受体  胰岛素样生长因子-1受体  肝癌  RNA干扰

Mechanisms of EGFR and IGF-1R Blockade by siRNA Therapy for Growth Control of Hepatocellular Cancer HepG2 Cells
LIAO Yuhua,YUAN Yulin,ZHOU Xuhong.Mechanisms of EGFR and IGF-1R Blockade by siRNA Therapy for Growth Control of Hepatocellular Cancer HepG2 Cells[J].Medical Journal of Wuhan University,2011,32(3):303-307,后插2.
Authors:LIAO Yuhua  YUAN Yulin  ZHOU Xuhong
Institution:LIAO Yuhua1,YUAN Yulin1,ZHOU Xuhong2 1Dept.of Anatomy & Embryology,School of Medicine,Wuhan University,Wuhan 430071,China2Dept.of Otolaryngology,Zhongnan Hospital of Wuhan University,China
Abstract:Objective: To investigate the antineoplastic effects of inhibiting IGF-1R and EGFR and signaling in hepatocellular cancer(HCC) HepG2 cells by siRNA simultaneous blockade of both of IGF-1R and EGFR.Methods: The growth,cell cycle progression,cellular apoptosis,and the related proteins including bcl-2,cdk2,bax and P21 were analyzed by MTT,flow cytometry,and Western blot.Results: Forty-eight hours after transfection,silencing both of EGFR and IGF-1R inhibited transition of the cells from G1 to S phases,up-regul...
Keywords:Epidermal Growth Factor Receptor  Insulin-Like Growth Factor-1 Receptor  Hepatocellular Cancer  RNAi  
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