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Deoxyribonuclease I

脱氧核糖核酸酶I

公司名称: Worthington Biochemical
产品编号: LS002139
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FACS-based Isolation of Neural and Glioma Stem Cell Populations from Fresh Human Tissues Utilizing EGF Ligand
Author:
Date:
2017-12-20
[Abstract]  Direct isolation of human neural and glioma stem cells from fresh tissues permits their biological study without prior culture and may capture novel aspects of their molecular phenotype in their native state. Recently, we demonstrated the ability to prospectively isolate stem cell populations from fresh human germinal matrix and glioblastoma samples, exploiting the ability of cells to bind the Epidermal Growth Factor (EGF) ligand in fluorescence-activated cell sorting (FACS). We demonstrated that FACS-isolated EGF-bound neural and glioblastoma populations encompass the sphere-forming colonies in ... [摘要]  从新鲜组织中直接分离人类神经和胶质瘤干细胞允许其在没有事先培养的情况下进行生物学研究,并且可以在其天然状态中捕获其分子表型的新方面。最近,我们展示了前瞻性地从新鲜人类生发基质和胶质母细胞瘤样品中分离干细胞群的能力,利用细胞在荧光激活细胞分选(FACS)中结合表皮生长因子(EGF)配体的能力。我们证明FACS分离的EGF结合的神经和成胶质细胞瘤细胞群体在体外包含球体形成的集落,并且能够自我更新和多向分化。在此我们详细描述了具有来自新鲜死亡和手术组织的干细胞特性的EGF-结合(即EGFR +)人类神经和胶质瘤细胞的纯化方法。利用天然配体结合能力前瞻性分离干细胞群的能力为了解非培养条件下的正常和肿瘤细胞生物学打开了新的门,并且适用于在种群和单细胞分辨率下的各种下游分子测序研究。

【背景】由于缺乏通用的神经和神经胶质瘤干细胞标志物(Lathia et al。,2015)以及频繁依赖于培养的细胞,理解人神经和胶质瘤干细胞的内在生物学一直是一个挑战比那些直接从组织分离的。跨膜糖蛋白Prominin或CD133是分离神经(Uchida等,2000)和神经胶质瘤干细胞(GSC)(Singh等,2000)的最好描述和经常使用的干细胞标记物之一。等人,2003; Singh等人,2004; ...

Isolation and Culture of Neurospheres for the Study of Pathogenesis of Prion Disease
Author:
Date:
2014-03-20
[Abstract]  Neurosphere contains neural stem cells that are capable of self-renewal and multilineage differentiation including neurons, astrocytes, and oligodendrocytes (Gage, 2000). Cell culture model using differentiated neurosphere cultures are suggested to be a valuable tool for studying the pathogenesis of prion disease at the cellular level (Iwamaru et al., 2013). This protocol describes the procedure for a culture of whole brain-derived neurospheres from newborn mouse brains. Neurosphere formation steadily occurs within a week from the cultures of neonatal whole brains and these cells ... [摘要]  神经球包含能够自我更新和多向分化的神经干细胞,包括神经元,星形胶质细胞和少突胶质细胞(Gage,2000)。 使用分化的神经球培养物的细胞培养模型被认为是用于研究朊病毒疾病在细胞水平的发病机制的有价值的工具(Iwamaru等人,2013)。 该协议描述了来自新生小鼠脑的全脑衍生的神经球的培养的程序。 神经球形成稳定地发生在新生儿全脑的培养物的一周内,并且这些细胞具有干细胞特性。

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