人骨髓间充质干细胞分离培养及体外诱导分化为成骨细胞Isolation and culture of human bone marrow mesenchymal stem cells and induction of its differentiating into osteoblasts in vitro
程明;戴闽;祝荫;程细高;范红先;刘虎诚;
摘要(Abstract):
[目的]建立人骨髓来源的间充质干细胞(hBMSCs)分离、培养及传代的方法,观察成hBMSCs体外成骨潜能。[方法]采用全骨髓贴壁筛选法分离培养hBMSCs,流式细胞仪检测细胞表型;所得细胞第3代用含100 nmol/L地塞米松、5mmol/Lβ-甘油磷酸钠,50μg/ml抗坏血酸的条件培养基进行骨诱导,茜素红染色鉴定。[结果]分离培养的细胞流式细胞术检测显示CD44、CD105阳性,而CD34、CD45阴性,符合MSCs特征;hBMSCs经骨诱导后可形成钙结节,茜素红染色显示阳性。[结论]全骨髓贴壁筛选法可分离获得高纯度的hBMSCs,其在体外具有成骨潜能。
关键词(KeyWords): 间充质干细胞;骨诱导;成骨细胞
基金项目(Foundation): 国家自然科学基金资助项目(编号:81060198)
作者(Author): 程明;戴闽;祝荫;程细高;范红先;刘虎诚;
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参考文献(References):
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