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人脂肪来源的干细胞体外培养特性及分化为肝细胞样细胞的研究 被引量:10

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摘要 肝脏组织工程的兴起和不断发展使各种急慢性肝病得到彻底的治愈成为可能.而肝脏组织工程的发展很大程度上受制于种子细胞的来源不足.为了寻找理想的肝脏组织工程种子细胞, 本实验从吸脂术所得的脂肪抽吸液中分离出干细胞,利用流式细胞仪、染色体核型分析等方法对其生长特性、表面标志及生长的稳定性作了分析;用含有肝细胞生长因子(HGF)和成纤维细胞生长因子(FGF-4)的条件培养基将其向肝细胞样细胞诱导分化,并利用RT-PCR及免疫荧光的方法检测了分化后细胞的标志物CK18,甲胎蛋白(AFP)和白蛋白以及分化后细胞的功能.结果显示, 脂肪来源的干细胞不仅有良好的生物学稳定性,而且分化后的细胞表达了肝细胞的标志物且具有一定的肝细胞的功能.这为解决肝脏组织工程种子细胞来源的问题提供了可能.
出处 《自然科学进展》 北大核心 2006年第4期421-426,共6页
基金 国家重点基础研究发展规划(批准号:2001CB509906 2005CB522702)国家"八六三"计划领域重大专项(批准号:2002AA205051 2003AA205160)北京市科委(批准号:H020220010190)资助项目
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参考文献14

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二级参考文献32

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