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胎盘问充质干细胞对骨髓、脐血、胎盘不同来源造血干细胞的体外扩增支持作用比较 被引量:4

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摘要 目的研究胎盘间充质干细胞(PDMSC)对骨髓、脐血、胎盘来源的CD34^+造血干细胞体外扩增的支持作用。方法用酶消化方法从胎盘组织分离出贴壁细胞。流式细胞仪测定。用免疫磁珠法从骨髓、脐血、胎盘的单个核细胞里分离出CD34^+细胞,建立以HPDMSC饲养层的CD34^+细胞培养体系,并以无饲养层的培养体系作为对照。结果人胎盘中可以分离出hpdmscs,并可以证明其为间充质干细胞。以HPDMSCS作为以上三种来源的造血干细胞的滋养层,对胎盘来源的造血干细胞支持作用明显优于其他两组,脐血次之,骨髓来源的造血干细胞最差。结论胎盘间充质干细胞具有体外造血支持作用,可以作为骨髓、脐血、胎盘不同来源造血干细胞体外扩增的滋养层,尤其适于胎盘来源的造血干细胞。
出处 《中国实用医刊》 2009年第19期32-33,共2页 Chinese Journal of Practical Medicine
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