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Transdifferentiation of mesenchymal stem cells derived from human fetal lung to hepatocyte-like cells.

机译:人胎肺间充质干细胞向肝样细胞的转分化。

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The great shortage of human hepatic cells makes it desirable to generate extrahepatic stem or precursor cells. In recent years, it has been reported that human multipotential mesenchymal stem cells (hMSCs) differentiate into hepatocyte-like cells. The fetal lung is one of the largest organs containing many MSCs that can be easily obtained. Whether MSCs from fetal lung can differentiate into hepatocytes or bile duct cells is an important issue in basic medicine and clinical application. We isolated fetal lung cells, and expanded and analyzed them. At passage 4, their morphologic, immunophenotyping and cytokine secretions were similar to adult bone marrow-derived MSCs. We conclude that these cells from fetal lung are MSCs, indicating that human fetal lung is an ideal source of hMSCs. hMSCs from fetal lung induced in special differentiation medium showed homogeneous and small polygonal endothelial-like morphology, expressing weak mRNA, as well as Alb and AFP. This implies that hMSCs from fetal lung can differentiate into hepatocyte-like cells.
机译:人肝细胞的严重短缺使得期望产生肝外干细胞或前体细胞。近年来,已经报道了人多能间充质干细胞(hMSC)分化为肝细胞样细胞。胎儿肺是包含许多易于获得的MSC的最大器官之一。胎儿肺间充质干细胞能否分化为肝细胞或胆管细胞是基础医学和临床应用中的重要问题。我们分离了胎儿肺细胞,并对其进行了扩展和分析。在第4代,它们的形态,免疫表型和细胞因子分泌与成年骨髓来源的MSC相似。我们得出的结论是,这些来自胎肺的细胞是MSC,这表明人胎肺是hMSC的理想来源。在特殊分化培养基中诱导的来自胎儿肺的hMSCs显示出均匀且小的多边形内皮样形态,表达弱的mRNA,以及Alb和AFP。这暗示来自胎儿肺的hMSC可以分化成肝细胞样细胞。

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