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首页> 外文期刊>Journal of Cellular Physiology >Transdifferentiation potentiality of human Wharton's jelly stem cells towards vascular endothelial cells
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Transdifferentiation potentiality of human Wharton's jelly stem cells towards vascular endothelial cells

机译:分化转化潜力的人类沃顿商学院的果冻干细胞向血管内皮细胞

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摘要

Human Wharton's jelly stem cells (HWJSC) emerged as a potential source of viable cells for use in tissue engineering. In this work, we have analyzed the transdifferentiation capabilities of HWJSC towards transdifferentiated endothelial-like cells (Tr-ELC) in order to establish the potential usefulness of these cells in vascular tissue engineering. Our results show that Tr-ELC became more polygonal and less proliferative than HWJSC, resembling the structure and proliferation rate of the endothelial cells. In addition, the markers of mesenchymal undifferentiation CD9, E-cad, PODXL, and SSEA-4 are downregulated in Tr-ELC, suggesting that these cells can be in the process of adult differentiation. Besides, RT-PCR and microarray analyses revealed that some genes with a role in defining the endothelial phenotype and structure are upregulated (VEGF-R1, EDF1, AAMP, CD31, CD34, CDH5, and ICAM2) or downregulated (VEGF) in Tr-ELC, although a number of genes related to relevant endothelial cell functions (CD36, ECE2, VWF, THBD, PGI2, ECE1, and ACE) did not change or were only partially induced. All this implies that HWJSC are able to efficiently transdifferentiate towards Tr-ELC at the phenotypical level following a hierarchical pattern of gene activation, with an earlier induction of morphological and phenotypical genes.
机译:人类沃顿商学院的果冻干细胞(HWJSC)出现了作为一个潜在的可行的细胞用于来源组织工程。分析了分化转移能力对transdifferentiated HWJSCendothelial-like细胞(Tr-ELC)为了建立这些细胞的潜在用途在血管组织工程。Tr-ELC成为更多的多边形和更少比HWJSC增殖,类似结构和扩散率内皮细胞。间叶细胞未分化CD9、E-cad PODXL,和SSEA-4 Tr-ELC表达下调,表明这些细胞可以在这个过程中成人分化。微阵列分析表明,一些基因在定义内皮细胞表型和角色结构调节(VEGF-R1 EDF1 AAMP,CD31、CD34、CDH5 ICAM2)或表达下调在Tr-ELC (VEGF),尽管许多基因与相关的内皮细胞功能有关(CD36 ECE2、VWF、THBD PGI2, ECE1,和ACE)不改变或只有部分的诱导。这意味着HWJSC能够有效transdifferentiate Tr-ELC在表型水平等级模式的基因激活,早些时候感应的形态和表型基因。

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