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Collagenase from Clostridium histolyticum

Company: Sigma-Aldrich
Catalog#: C1764
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Isolation and Analysis of Stromal Vascular Cells from Visceral Adipose Tissue
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2017-08-20
[Abstract]  The obesity epidemic is the underlying driver of the type 2 diabetes mellitus epidemic. A remarkable accumulation of various pro-inflammatory immune cells in adipose tissues is a hallmark of obesity and leads to pathogenesis of tissue inflammation and insulin resistance. Here, we describe a detailed protocol to isolate adipose tissue stromal vascular cells (SVCs), which enrich various immune cells of adipose tissues. These SVCs can be used to examine the population and activation status of immune cells by tracking their cell surface antigens, gene expression, and activation of specific signaling pathways. [摘要]  肥胖流行是2型糖尿病流行病的根本驱动因素。 脂肪组织中各种促炎免疫细胞的显着积累是肥胖的标志,并导致组织炎症和胰岛素抵抗的发病机制。 在这里,我们描述了分离脂肪组织基质血管细胞(SVCs)的详细方案,其丰富了脂肪组织的各种免疫细胞。 这些SVC可用于通过跟踪其细胞表面抗原,基因表达和特异性信号通路的激活来检查免疫细胞的群体和激活状态。
【背景】过去几十年来,肥胖现在已成为一种流行病,已成为胰岛素抵抗最常见的原因之一。胰岛素抵抗是代谢综合征发病机理的关键病因。代谢综合征的延长状态推动了2型糖尿病(T2DM)的发展(Romeo et al。,2012; Johnson and Olefsky,2013; Saltiel and Olefsky,2017)。
   慢性低度组织炎症伴随着增强的免疫细胞浸润,是啮齿动物和人类肥胖症的标志,并且是通过促进炎症状态和中断胰岛素信号传导来促进胰岛素抵抗的发病机制的主要因素(Romeo等2012年; Johnson和Olefsky,2013; Saltiel和Olefsky,2017)。浸润的免疫细胞如促炎性巨噬细胞和B细胞在调节肥胖相关脂肪组织炎症和胰岛素抵抗中起关键作用(Weisberg等,2003; ...

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