骨髓间质干细胞分离培养及向心肌细胞的转化

Journal of Chinese Microcirculation(2006)

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Abstract
目的:探讨骨髓间质干细胞(MsCs)诱导分化为心肌细胞的可能性,为干细胞移植治疗心肌梗死寻求理想的细胞材料.方法:体外分离培养大鼠骨髓MSCs,5-氮胞苷(5-aza)诱导24 h后继续培养,免疫细胞化学染色和RT-PCR检测心肌细胞特异性蛋白的表达.结果:MSCs经5-aza诱导后3周心肌肌钙蛋白T和连接蛋白43免疫细胞化学染色阳性表达;RT-PCR显示诱导3周细胞有心肌肌钙蛋白I、α心肌肌动蛋白表达.结论:MsCs可在体外经5-aza诱导定向分化为心肌细胞.
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Key words
cardiomyocyte,differentiation,culture,bone marrow mesenchymal stem cell
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