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首页> 外文期刊>Developmental dynamics: an official publication of the American Association of Anatomists >Collagen type IV and Perlecan exhibit dynamic localization in the Allantoic Core Domain, a putative stem cell niche in the murine allantois.
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Collagen type IV and Perlecan exhibit dynamic localization in the Allantoic Core Domain, a putative stem cell niche in the murine allantois.

机译:IV型胶原和Perlecan胶原在尿囊素的尿囊素核心区(尿囊素核心区)中具有动态定位。

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摘要

A body of evidence suggests that the murine allantois contains a stem cell niche, the Allantoic Core Domain (ACD), that may contribute to a variety of allantoic and embryonic cell types. Given that extracellular matrix (ECM) regulates cell fate and function in niches, the allantois was systematically examined for Collagen type IV (ColIV) and Perlecan, both of which are associated with stem cell proliferation and differentiation. Not only was localization of ColIV and Perlecan more widespread during gastrulation than previously reported, but protein localization profiles were particularly robust and dynamic within the allantois and associated visceral endoderm as the ACD formed and matured. We propose that these data provide further evidence that the ACD is a stem cell niche whose activity is synchronized with associated visceral endoderm, possibly via ECM proteins.
机译:大量证据表明,鼠类尿囊中含有干细胞位,即尿囊素核心结构域(ACD),可能有助于多种尿囊和胚胎细胞类型。鉴于细胞外基质(ECM)调节了f的细胞命运和功能,系统地检查了尿囊中的IV型胶原(ColIV)和Perlecan,两者均与干细胞的增殖和分化有关。不仅在气化过程中ColIV和Perlecan的定位比以前报道的更为广泛,而且随着ACD的形成和成熟,蛋白质定位图在尿囊及相关内脏内胚层中尤其稳健和动态。我们建议这些数据提供进一步的证据,证明ACD是干细胞的利基,其活性可能与ECM蛋白相关,与相关的内脏内胚层同步。

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