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体外诱导骨髓间充质干细胞向心肌细胞的分化和鉴定 被引量:6

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摘要 [目的]探讨大鼠骨髓间充质干细胞(MSC)体外分离、培养、纯化、扩增的方法和生物学特性,研究其在诱导因子诱导下向心肌样细胞定向分化的能力。[方法]取大鼠骨髓,采用贴壁培养筛选法分离MSC,进行培养扩增,观察其生物学特性;用5-杂氮胞苷(5-AZA)诱导P3代MSC向心肌样细胞定向分化,并通过细胞免疫化学法鉴定分化细胞。[结果]大鼠MSC可通过贴壁法成功分离并可在体外大量扩增;流式细胞仪分析所培养的P3代细胞为纯度超过95%的MSC;P3代MSC经5-AZA诱导后1周,相差鼹微镜下见细胞呈长梭形、多核;2周可见肌管样结构;细胞免疫化学染色肌钙蛋白I、结蛋白、α-肌动蛋白为阳性。[结论]MSC易分离和培养,体外培养条件下生长良好,可连续传代,在5-AZA的诱导下可定向分化为心肌样细胞。
出处 《中山大学学报(医学科学版)》 CAS CSCD 北大核心 2007年第B06期9-11,共3页 Journal of Sun Yat-Sen University:Medical Sciences
基金 广东省自然科学基金资助项目(5001791)
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参考文献10

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二级参考文献10

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