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首页> 外文期刊>Cell biology international. >Factors derived from mouse embryonic stem cells promote self-renewal of goat embryonic stem-like cells.
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Factors derived from mouse embryonic stem cells promote self-renewal of goat embryonic stem-like cells.

机译:源自小鼠胚胎干细胞的因子可促进山羊胚胎干样细胞的自我更新。

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摘要

Goat embryonic stem (ES)-like cells could be isolated from primary materials-inner cell masses (ICMs) and remain undifferentiated for eight passages in a new culture system containing mouse ES cell conditioned medium (ESCCM) and on a feeder layer of mouse embryo fibroblasts (MEFs). However, when cultured in medium without mouse ESCCM, goat ES-like cells could not survive for more than three passages. In addition, no ES-like cells could be obtained when ICMs were cultured on goat embryo fibroblasts or the primary materials-whole goat blastocysts were cultured on MEFs. Goat ES-like cells isolated from ICMs had a normal karyotype and highly expressed alkaline phosphatase. Multiple differentiation potency of the ES-like cells was confirmed by differentiation into neural cells and fibroblast-like cells in vitro. These results suggest that mouse ES cells might secrete factors playing important roles in promoting goat ES-like cells' self-renewal, moreover, the feeder layers and primary materials could also influence the successful isolation of goat ES-like cells.
机译:山羊胚胎干(ES)样细胞可以从原始材料-内部细胞团(ICM)中分离出来,并在含有小鼠ES细胞条件培养基(ESCCM)的新培养系统中和小鼠胚胎的饲养层上保持8代未分化成纤维细胞(MEF)。然而,当在没有小鼠ESCCM的培养基中培养时,山羊ES样细胞不能存活超过三代。此外,当在山羊胚胎成纤维细胞上培养ICM或在MEF上培养主要材料(整个山羊胚泡)时,无法获得ES样细胞。从ICM分离的山羊ES样细胞具有正常的核型,并高度表达碱性磷酸酶。通过体外分化为神经细胞和成纤维细胞样细胞,证实了ES样细胞的多重分化能力。这些结果表明,小鼠ES细胞可能分泌在促进山羊ES样细胞自我更新中起重要作用的因子,此外,饲养层和主要物质也可能影响山羊ES样细胞的成功分离。

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