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Alginate-assisted enrichment and purification of mesenchymal stem cells

机译:藻酸盐辅助富集和纯化间充质干细胞

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The umbilical cord contains different populations of stem/progenitor cells such as mesenchymal, hematopoietic, trophoblastic and endothelial cells. However, the isolation methods currently in use are different, and the resulted cells are liable to cross contamination. Thus it is increasingly difficult to compare and contrast the study outcomes, which hinders progress in the field of stem cell applications. In an attempt to address this issue, we have used a magnetism assisted self-assembly method for cell capturing and releasing in combination with antibodies to mesenchymal stem cell antigens, CD105, CD73 and CD90, to identify and localize stem cells within the placenta umbilical cord. This approach is capable of detecting a minimum of 10?000 mesenchymal stem cells, and has also shown excellent specificity to distinguish other types of cells.
机译:脐带含有不同的茎/祖细胞群,如间充质,造血,滋养细胞和内皮细胞。然而,目前使用中的隔离方法是不同的,所得细胞易于交叉污染。因此,比较和对比研究结果越来越困难,这阻碍了干细胞应用领域的进展。为了解决这个问题,我们使用了用于细胞捕获和释放与间充质干细胞抗原,CD105,CD73和CD90的抗体的磁性辅助自组装方法,以鉴定胎盘脐带内的干细胞。该方法能够检测最小10Ω间充质干细胞,并且还显示出具有其他类型的细胞的优异特异性。

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