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粒-巨噬细胞集落刺激因子与绿色荧光蛋白融合基因慢病毒载体构建 被引量:1

Construction of lentiviral vector with GM-CSF and GFP recombinant gene
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摘要 目的:构建粒-巨噬细胞集落刺激因子(GM-CSF)与绿色荧光蛋白(GFP)融合基因慢病毒载体。方法:采用RT-PCR方法获得GM-CSF全外显子片段,使之克隆到带GFP慢病毒表达载体质粒FUGW中,经限制性酶切、PCR扩增和测序鉴定重组载体。在脂质体介导下将慢病毒包装系统的包装结构基因pCMV.△8.9、包膜基因VSVG、目的基因FUGW-GM-CSF导入病毒包装细胞293T,荧光显微镜检测基因的表达,包装成病毒后,收集病毒上清,浓缩,鉴定。用酶联免疫吸附实验(ELISA)检测转染FUGW-GM-CSF细胞上清液GM-CSF表达水平,电子显微镜观察293T细胞中的慢病毒。结果:限制性内切酶酶切和DNA测序分析证实RT-PCR获得的GM-CSF/PCR产物与GenBank中的数据完全吻合;GM-CSF准确克隆入FUGW的多克隆位点。慢病毒的3种质粒可高效转染入293T细胞,荧光显微镜下观察可见大量绿色荧光。转染FUGW-GM-CSF包装细胞上清液GM-CSF酶联反应阳性。电子显微镜下见慢病毒颗粒位于293T细胞胞浆的内质网中。结论:成功构建了GM-CSF与GFP融合基因慢病毒载体,为诱导DC提供了适合的稳定转染的载体。
出处 《中国病理生理杂志》 CAS CSCD 北大核心 2005年第7期1448-1451,共4页 Chinese Journal of Pathophysiology
基金 广东省自然科学基金资助项目(No.20020024)
关键词 粒细胞巨噬细胞集落刺激因子 绿色荧光蛋白 慢病毒属 Granulocyte-macrophage colony-stimulating factor Green fluorescent protein Lentivirus
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  • 1李望,孙晓青,胡书群,裴东生,陈波.大鼠FasL基因重组慢病毒载体三质粒包装细胞系统的建立[J].徐州医学院学报,2006,26(1):40-42. 被引量:3
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