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首页> 外文期刊>American Journal of Veterinary Research >Differentiation of canine adipose tissue-derived mesenchymal stem cells towards endothelial progenitor cells.
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Differentiation of canine adipose tissue-derived mesenchymal stem cells towards endothelial progenitor cells.

机译:犬脂肪组织来源的间充质干细胞向内皮祖细胞的分化。

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摘要

Objective - To determine the differentiation of canine adipose tissue-derived mesenchymal stem cells (ASCs) into endothelial progenitor cells (EPCs). Animals - 3 healthy adult Beagles. Procedures - Canine ASCs were isolated and cultured from adipose tissue, and endothelial differentiation was induced by culturing ASCs in differentiation medium. Morphological and immunophenotypic changes were monitored. Expression of endothelial-specific markers was analyzed by conventional and real-time RT-PCR assay. The in vitro and in vivo functional characteristics of the endothelial-like cells induced from canine ASCs were evaluated by use of an in vitro solubilized basement membrane tube assay, low-density lipoprotein uptake assay, and in vivo solubilized basement membrane plug assay. Results - After differentiation culture, the cells developed morphological changes, expressed EPC markers such as CD34 and vascular endothelial growth factor receptor 2, and revealed functional characteristics in vitro. Furthermore, the induced cells allowed vessel formation in solubilized basement membrane plugs in vivo. Conclusion and Clinical Relevance - Results indicated that canine ASCs developed EPC characteristics when stimulated by differentiation medium with growth factors. Thus, differentiated canine ASC-EPCs may have the potential to provide vascularization for constructs used in regenerative medicine strategies.
机译:目的-确定源自犬脂肪组织的间充质干细胞(ASC)向内皮祖细胞(EPC)的分化。动物-3只健康的成年小猎犬。步骤-从脂肪组织中分离并培养犬ASC,并通过在分化培养基中培养ASC诱导内皮分化。监测形态和免疫表型变化。内皮特异性标志物的表达通过常规和实时RT-PCR测定法进行分析。通过使用体外可溶的基底膜管测定,低密度脂蛋白摄取测定和体内可溶的基底膜栓塞测定来评估由犬ASC诱导的内皮样细胞的体外和体内功能特性。结果-分化培养后,细胞发生形态变化,表达EPC标记,例如CD34和血管内皮生长因子受体2,并在体外显示其功能特征。此外,诱导的细胞允许在体内溶解的基底膜塞中形成血管。结论和临床意义-结果表明,犬ASC在具有生长因子的分化培养基刺激下具有EPC特性。因此,分化的犬ASC-EPC可能具有为再生医学策略中使用的构建体提供血管生成的潜力。

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