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小鼠体细胞核移植及ES细胞样集落分离 被引量:4

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摘要 利用小鼠皮肤成纤维细胞为核供体进行体细胞核移植并从重构胚中分离胚胎干细胞(ES)样 集落,以便对体细胞核移植重构胚来源的ES细胞样集落进行研究.结果显示,小鼠皮肤成纤维细胞 作为核供体,核移植重构胚激活率为60.48%(254/420),囊胚发育率为6.90%(29/420),6个囊胚中 分离出ES细胞样集落,分离率为1.43%(6/420),3个ES细胞样集落能够稳定传代,至第5代时核 型正常率分别为77.84%,75.18%,77.20%.分离出的ES细胞样集落具有岛屿状团状隆起结构, 碱性磷酸酶染色呈阳性,体外可自发分化成上皮样或梭形细胞.实验证实小鼠唇部皮肤成纤维细胞能 够支持体细胞核移植重构胚发育至囊胚,并能分离出可以稳定传代的ES细胞样集落.
作者 曹鸿国 张涌
出处 《自然科学进展》 北大核心 2005年第4期481-485,共5页
基金 国家"八六三"计划资助项目(批准号:2001AA213081)
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参考文献19

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