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Ultrafree-CL SV Centrifugal Filter

Ultrafree-CL SV离心过滤器

公司名称: EMD Millipore
产品编号: UFC40SV25
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Isolation of Particles of Recombinant ASC and NLRP3
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2015-05-20
[Abstract]  NLRP3 inflammasome is a multiprotein complex responsible for the activation of inflammatory caspase-1, resulting in processing and release of pro-inflammatory cytoquines IL-1β and IL-18 (Schroder and Tschopp, 2010). This inflammasome is composed of the sensor protein NLRP3 connected to caspase-1 through the adaptor protein ASC (apoptosis-associated speck-like protein with a caspase-recruitment domain) (Schroder and Tschopp, 2010). We and others have reported that upon inflammasome activation functional oligomeric inflammasome particles of NLRP3 and ASC were released from cells, acting as ... [摘要]  NLRP3炎症小体是负责炎症半胱天冬酶-1活化的多蛋白复合物,导致促炎细胞因子IL-1β和IL-18的加工和释放(Schroder和Tschopp,2010)。这种炎症小体由通过衔接蛋白ASC(凋亡相关的斑点样蛋白与半胱氨酸蛋白酶募集结构域)连接到caspase-1的传感蛋白NLRP3组成(Schroder和Tschopp,2010)。我们和其他人已经报道,在炎症小体激活时,NLRP3和ASC的功能性寡聚炎症小体颗粒从细胞中释放,充当危险信号,通过促进细胞外caspase-1的活化来扩增炎症(Baroja-Mazo等,
通过纯化ASC的重组颗粒或组成型激活的NLRP3突变体来研究寡聚ASC和NLRP3炎症小体颗粒的细胞外功能是可能的与相关的cryopyrin相关周期性综合征(CAPS,突变p.D303N),都标记有黄色荧光蛋白(YFP),并在HEK293细胞中表达。通过重组ASC或突变体NLRP3在HEK293细胞中的表达导致它们自发聚集成斑点(Baroja-Mazo等人,2014)的事实促进了纯化过程,并且方案最初从Fernandes-Alnemri和Alnemri(2008年)。

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