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人肝癌特异性EB病毒载体—p^EBAF介导hGM—CSF基因的转移及表达
引用本文:李玉富,张俊萍,孙声桃,李继昌,李福胜,张智清.人肝癌特异性EB病毒载体—p^EBAF介导hGM—CSF基因的转移及表达[J].中国现代医学杂志,2001,11(3):17-19.
作者姓名:李玉富  张俊萍  孙声桃  李继昌  李福胜  张智清
作者单位:1. 河南省肿瘤医院内科
2. 河南医科大学
基金项目:本课题为"863"高科技计划资助项目(83-102-11-09)
摘    要:目的:探索人粒细胞-巨噬细胞集落刺激因子(hGM-CSF)基因在肝癌细胞中特异性表达的新途径。方法:构建p^EBAF/hGM-CSF基因克隆,用脂质体转染法将它分别导入分泌甲胎蛋白(AFP)的肝癌细胞株HepG2和不分泌APF的细胞株SMMC7721,构建两围基因的细胞克隆HepG2/hGM-CSF,SMMC7721/hGM-CSF,用MTT比色法测定细胞上清中hGM-CSF活性。结果:HepG2/hGM-CSF细胞上清hGM-CSF活性平均为46.5ng/ml/10^6/24h,SMMC7721细胞上清中无明显hGM-CSF活性。结:载体p^EBAF介导的hGM-CSF基因能在分泌AFP的肝细胞中获得特异性表达。

关 键 词:EB病毒表达载体  人粒细胞-巨噬细胞集落刺激因子  基因治疗  肝癌
修稿时间:2000年12月20

hGM-CSF GENE TRANSFER MEDIATED BY HUMANHEPATOCELLULAR CARCINOMA (HCC) TISSUE SPECIFIC EBV- BASED VECIOR pEBAF AND ITS TISSUE- SPECIFIC EXPRESSION
Li Yufu,Zhang Junping,Sun Shengtal,LI Jichang,Li Fusheng,Zhang Zhiqing.hGM-CSF GENE TRANSFER MEDIATED BY HUMANHEPATOCELLULAR CARCINOMA (HCC) TISSUE SPECIFIC EBV- BASED VECIOR pEBAF AND ITS TISSUE- SPECIFIC EXPRESSION[J].China Journal of Modern Medicine,2001,11(3):17-19.
Authors:Li Yufu  Zhang Junping  Sun Shengtal  LI Jichang  Li Fusheng  Zhang Zhiqing
Abstract:Objective:To investigate a new way of tissue-specific expression of human granulocyte-macrophage colony stimulating factor (hGM-CSF) gene in HCC.Methods:Construct p EBAF/hGF-CSF,transferred into HCC cell line HepG2 (secreting AFP) and SMMC7721 (not secreting AFP) by lipofectin,two positive cell lines HepG2/hGM-CSF and SMMC7721/hGM-CSF.Results:By MTT assay the cytokine biological activity revealed the HepG2/hGM-CSF expressed hGM-CSF for 46.5ng/ml/106/24hr,but SMMC7721 has no expression of hGM-CSF were established.Conclusions:hGM-CSF gene mediated by p EBAF has the ablility of tissue-specific expression in HCC cells.
Keywords:EBV-based vector  hGM-CSF  Gene Therapy
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