Rapsyn重组质粒转染小鼠骨髓间充质干细胞
Chinese Journal of Neuroimmunology and Neurology(2012)
Abstract
目的探讨采用脂质体介导的基因转移技术将重组pEGFP-N1/Rapsyn质粒转染至小鼠骨髓间充质干细胞(BMSCs)的可能性,并观察Rapsyn蛋白在靶细胞中的表达。方法采用全骨髓贴壁培养法分离纯化C57BL/6小鼠的BMSCs,在体外进行扩增、传代。取第3代细胞,采用脂质体介导的基因转移技术将重组pEGFP-N1/Rapsyn质粒转染至BMSCs中,并置荧光显微镜下观察转染结果;采用Western blot法检测靶细胞中Rapsyn蛋白的表达。结果 BMSCs经转染后24h可在荧光显微镜下观察到绿色荧光,转染pEGFP-N1/Rapsyn质粒的BMSCs可稳定表达Rapsyn蛋白。结论利用脂质体介导法可将Rapsyn基因转染至BMSCs中,并能稳定表达Rapsyn蛋白。
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Key words
mesenchymal stem cells,transfection,receptor-related protein,bone marrow
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