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Culture of epidermal stem cells in skin tissue engineering
Author(s): 
Pages: 88-89,插图2-4
Year: Issue:  2
Journal: CHINESE JOURNAL OF CLINICAL REHABILITATION

Keyword:  干细胞皮肤免疫组织化学;
Abstract: 目的:通过表皮干细胞对基底膜的黏附性,利用层粘连蛋白和Ⅳ型胶原作为递质,探索提取和培养表皮干细胞的技术方法.方法:取新生1~3 d的Wistar大鼠全层皮肤,通过酶消化法获得幼鼠表皮,并制成单表皮细胞悬液.以层粘连蛋白和Ⅳ型胶原作为基底膜的替代物,利用表皮干细胞对基底膜的吸附性筛选表皮干细胞.结果:与角质细胞对照,表皮干细胞对层粘连蛋白和Ⅳ型胶原的吸附性很好,克隆形成率较高.用SABC法对其进行整合素β1单抗的免疫组化染色;广谱角蛋白单抗的免疫组化染色观察细胞克隆的细胞浆内出现棕黄色的阳性表达.结论:用层粘连蛋白和Ⅳ型胶原快速黏附法可从大鼠皮肤分离和富集表皮干细胞.
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