成年大鼠骨髓间充质干细胞体外分化为神经元样细胞

被引:13
作者
肖庆忠
温冠媚
李浩威
李红乐
李树浓
机构
[1] 广州医学院第一附属医院检验科
[2] 中山医科大学病理生理教研室
[3] 广东广州现系中山医科大学病理与病理生理学在职博士生
[4] 广东广州
关键词
骨髓; 间充质干细胞:细胞分化; 神经元样细胞;
D O I
暂无
中图分类号
R741.02 [神经病理学、病因学];
学科分类号
0710 ; 071006 ;
摘要
目的 探讨成年大鼠骨髓间充质干细胞(adult rat marrow mesenchymal stem cells,rMSCs)的体外 增殖和特异性诱导分化为神经元样细胞的能力。方法 分别采用3种不同的诱导方法体外定向诱导第三至五代的 rMSCs向神经元样细胞分化,并分别应用相差显微镜观察神经元样细胞和免疫细胞组化检测神经元样细胞所表达 的神经元特异性标志[神经元特异性烯醇化酶(neuron specific enolase,NSE)和神经丝蛋白(neurofilament,NF)]及 星形胶质细胞特异性标志[胶质纤维酸性蛋白(glia fiber acid protein,GFAP)],并进行神经元样细胞定量分析。结 果 所采用的3种定向诱导方法都能使rMSCs特异性诱导分化为神经元样细胞,此神经元样细胞都能特异性地表 达出NSE和NF,而不表达GFAP。经过定量计数分析发现用上述方法处理rMSCs后出现NSE阳性的细胞约为 75.5%±3.5%,出现NF阳性的细胞约为77.2%±2.8%。结论rMSCs能在体外扩增、传代,并能被定向诱导分 化为神经元样细胞。
引用
收藏
页码:323 / 325
页数:3
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