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11415 - Leibovitz's L-15

L-15(LEIBOVITZ)MEDIUM(CE)

Company: Thermo Fisher Scientific
Catalog#: 11415-049
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Ex vivo Culture of Fetal Mouse Gastric Epithelial Progenitors
Author:
Date:
2017-01-05
[Abstract]  Isolation and tridimensional culture of murine fetal progenitors from the digestive tract represents a new approach to study the nature and the biological characteristics of these epithelial cells that are present before the onset of the cytodifferentiation process during development. In 2013, Mustata et al. described the isolation of intestinal fetal progenitors growing as spheroids in the ex vivo culture system initially implemented by Sato et al. (2009) to grow adult intestinal stem cells. Noteworthy, fetal-derived spheroids have high self-renewal capacity making easy their indefinite maintenance in culture. Here, we report an adapted protocol for isolation and ex vivo culture and maintenance of fetal epithelial progenitors from distal pre-glandular ... [摘要]  来自消化道的鼠胎儿祖细胞的分离和三维培养代表了研究在发育过程中细胞分化过程开始前存在的这些上皮细胞的性质和生物学特征的新方法。在2013年,Mustata等人描述了在最初由佐藤等人实施的离体培养系统中分离作为球体生长的肠胎细胞祖细胞。 >(2009)增长成年肠干细胞。值得注意的是,胎儿衍生的球体具有较高的自我更新能力,使其在文化中的无限期维护变得容易。在这里,我们报告了用于分离和远离前胃腺胃生长为胃球体的胎儿上皮祖细胞的分离和离体培养和维持的修改方案(Fernandez Vallone等人, 2016)。

背景 来自腺体的小鼠成体干细胞可以在3D matrigel中离体生长,作为“迷你腺体”无限期(Barker等人,2010) 。与在EGF,Noggin和R-spondin 1存在下生长的小肠的干细胞相比,成年胃干细胞需要进一步补充Fgf10,胃泌素,Wnt3a和更高浓度的R-spondin 1以获得生产性 - 文化。相比之下,到目前为止,很少知道在发育期间排列前腺上皮细胞的胎儿细胞。到目前为止,它们的性质以及其离体的潜在生长特性未明确。基于以前的研究,确定胎儿小肠(Mustata等人,2013年)中存在的细胞,我们报告了作为球体的小鼠胎儿胃祖细胞的培养(Fernandez Vallone et al。 。,2016)。可以在2009年由佐藤等人先前报道的培养基中重复胃祖细胞以生长小肠成体干细胞,与成人型胃干细胞相反,它们不需要额外的生长因子补充(Fgf10,Wnt3a或胃泌素)。 ...

Chick Neural Tube Explant Culture
Author:
Date:
2015-10-05
[Abstract]  The neural tube explant culture technique allows in vitro culturing of small pieces of neural tissue isolated from e.g., chick or mouse embryonic tissue in a matrix of collagen for defined periods of time. This method can be used to study the effects of defined molecules on developmental processes such as neural progenitor proliferation and neuronal differentiation and/or survival. Since the explant material can also be prepared from embryonic tissue electroporated with expression vectors, this technique can be adapted to study gene function in the presence of specific environmental signals. Different regions of the neural tube can also be isolated during the dissection step, allowing specific regions of the neural tube to be studied separately. Here, we present a neural ... [摘要]  神经管外植体培养技术允许在胶原基质中从例如小鸡或小鼠胚胎组织分离的小片神经组织的体外培养定义的时间段。 该方法可用于研究限定分子对发育过程如神经祖细胞增殖和神经元分化和/或存活的影响。 由于外植体材料也可以从用表达载体电穿孔的胚胎组织制备,该技术可以适于在特定环境信号的存在下研究基因功能。 也可以在解剖步骤期间分离神经管的不同区域,允许单独研究神经管的特定区域。 在这里,我们提出了我们已经在几个研究中使用的神经管外植体培养方法(Dias等人,2014; Lek等人,2010; Vallstedt, et al。,2005)。

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