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首页> 外文期刊>Stem Cell Reports >Extraembryonic Endoderm (XEN) Cells Capable of Contributing to Embryonic Chimeras Established from Pig Embryos
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Extraembryonic Endoderm (XEN) Cells Capable of Contributing to Embryonic Chimeras Established from Pig Embryos

机译:extringembryonic nododerm(Xen)细胞能够为从猪胚胎建立的胚胎嵌合体

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Most of our current knowledge regarding early lineage specification and embryo-derived stem cells comes from studies in rodent models. However, key gaps remain in our understanding of these developmental processes from nonrodent species. Here, we report the detailed characterization of pig extraembryonic endoderm (pXEN) cells, which can be reliably and reproducibly generated from primitive endoderm (PrE) of blastocyst. Highly expandable pXEN cells express canonical PrE markers and transcriptionally resemble rodent XENs. The pXEN cells contribute both to extraembryonic tissues including visceral yolk sac as well as embryonic gut when injected into host blastocysts, and generate live offspring when used as a nuclear donor in somatic cell nuclear transfer (SCNT). The pXEN cell lines provide a novel model for studying lineage segregation, as well as a source for genome editing in livestock.
机译:我们目前关于早期谱系规范和胚胎衍生的干细胞的知识来自啮齿动物模型中的研究。 但是,关键差距仍然是我们对来自非致请生物种的这些发育过程的理解。 在这里,我们报告了猪Internembryonic Endoderm(PXEN)细胞的详细表征,其可以可靠地和可重复地从胚泡的原始内胚层(PRE)产生。 高度可扩展的PXEN细胞表达规范前标记并转录类似啮齿动物Xens。 当在鼻孔中注射到宿主胚泡时,PXEN细胞促进了包括内脏蛋白质组织以及胚胎肠道,并在体细胞核转移(SCNT)中的核供体时产生活的后代。 PXEN细胞系提供了研究谱系偏析的新型模型,以及用于牲畜中的基因组编辑的源。

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