间充质干细胞生物学特性及其分化潜能

被引:20
作者
丁志
杨松林
机构
[1] 上海市第六人民医院整形外科
关键词
间充质干细胞; 分化; 转分化; 生物学特征; 综述文献;
D O I
暂无
中图分类号
R329 [人体组织学];
学科分类号
摘要
背景:随着再生医学的兴起,细胞疗法正得到不断发展,间充质干细胞因为来源广泛,分离培养容易,增殖和多向分化能力强,已成为细胞治疗领域的研究热点。目的:概述国内及国际上关于间充质干细胞生物学特性及多向分化能力的新进展。方法:应用计算机检索2000-01/2010-09PubMed数据库、Springer Link数据库及万方数据库有关间充质干细胞发现、命名、生物学特性及分化潜能等方面的文献,英文检索词为"mesenchymal stem cells,differentiation,transdifferentiation",中文检索词为"间充质干细胞,分化,转分化"。检索文献量总计132篇。结果与结论:间充质干细胞发现较久,命名较多,在体内分布广泛,增殖能力受多种因素影响,可分泌多种细胞因子,产生一系列细胞外基质分子,表达多种表面标志物,但不是单一性的,属免疫缺陷细胞,分离纯化方法主要有全骨髓贴壁分离筛选法和密度梯度离心法,其鉴定需综合几个方面内容。除向中胚层的各种成熟细胞分化外,间充质干细胞还可转分化为神经细胞、肝细胞、胰岛细胞、上皮细胞等,转分化机制主要有异质学说、核重编程学说和胚胎干细胞残留学说。
引用
收藏
页码:147 / 150
页数:4
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