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Establishment of a single cell-cloned mouse embryonic stem cell line
Author(s): 
Pages: 431-434
Year: Issue:  4
Journal: JOURNAL OF PEKING UNIVERSITY(HEALTH SCIENCES)

Keyword:  干细胞胚胎/细胞学细胞培养小鼠;
Abstract: 目的:建立胚胎干细胞的培养系统及培养方法.方法:用免疫溶解法(immunosurgery)分离3.5 d的129SvJ系小鼠囊胚内细胞团,在γ射线照射的胎鼠成纤维细胞饲养层上培养,胰酶消化传代.用组织化学法、免疫组织化学方法识别细胞表面标志,常规G带法行染色体核型分析,在体、离体分别观察细胞的多向分化能力.结果:得到一个单细胞克隆129系小鼠胚胎干细胞系G11能长期稳定增殖不分化,具有正常40XY核型,碱性磷酸酶阳性、SSEA-1阳性,在体和离体条件下可分化为多种细胞.结论:以小鼠为模型成功建立了哺乳动物胚胎干细胞的培养方法和培养系统.
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