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- W3028921384 abstract "目的 探讨人脐带间充质干细胞(MSCs)的体外分离、纯化、扩增和向神经元样细胞的定向诱导分化,以期为脐带MSCs的神经移植提供理论依据.方法无菌条件下收集剖宫产新生儿脐带,酶消化法获取MSCs,进行培养.用流式细胞仪检测MSCs的表面标志.取扩增3,5,10代的MSCs分别向神经元样细胞诱导,用免疫组化和RT-PCR法检测神经元样细胞特异性标志.结果脐带富含MSCs,且脐带MSCs(UCMSCs)强表达CD13、29、CD44、CD105,弱表达CD106,不表达CD34、CD11a、CD14、CD33、CD45.神经条件培养基诱导后的细胞平均有70%左右呈现典型的神经元样表型.免疫组化法检测发现不同代数的MSCs经诱导后均表达nestin,NSE,NeuN,NF-M,弱表达GFAP.RT-PCR显示诱导后NSEmRNA表达增加.结论MSCs存在于人脐带中,并且在体外有较强的增殖能力,特定条件下能够分化为神经元样细胞。" @default.
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- W3028921384 date "2006-03-15" @default.
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- W3028921384 title "Amplification and differentiation towards neuron-like cells of human umbilical cord derived mesenchymal stem cells" @default.
- W3028921384 doi "https://doi.org/10.3760/cma.j.issn.1671-8925.2006.03.004" @default.
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