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Poly(I)·Poly(C)

Poly(I)·Poly(C)

公司名称: Cytiva
产品编号: 27-4732-01
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Biochemical Analysis of Caspase-8-dependent Proteolysis of IRF3 in Virus-infected Cells
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2016-11-20
[Abstract]  Interferon regulatory factor 3 (IRF3) is a transcription factor, which is critical for the antiviral response against a wide range of viruses (Hiscott, 2007; Ikushima et al., 2013). It gets activated in virus-infected cells via Toll like receptors (TLRs), RIG-I (retinoic acid inducible gene 1) like receptors (RLRs), cyclic GMP-AMP synthase (cGAS) – stimulator of interferon genes (STING), which are sensors of viral components in the cells (Chattopadhyay and Sen, 2014a; 2014b; Hiscott, 2007). IRF3 is a cytoplasmic protein, upon activation by virally activated sensors it gets ... [摘要]  干扰素调节因子3(IRF3)是一种转录因子,对于广泛病毒的抗病毒反应至关重要(Hiscott,2007; Ikushima等,2013)。通过Toll样受体(TLR),RIG-I(视黄酸诱导型基因1)受体(RLR),环状GMP-AMP合成酶(cGAS) - 干扰素基因刺激剂(STING),其在病毒感染的细胞中被激活,其中是细胞中病毒组分的传感器(Chattopadhyay和Sen,2014a; 2014b; Hiscott,2007)。 IRF3是一种细胞质蛋白,当被病毒激活的传感器激活时,其被磷酸化,转移到细胞核并与基因启动子的干扰素敏感反应元件(ISRE)结合以诱导其转录(Hiscott,2007)。 IRF3具有其他功能,包括直接刺激病毒感染细胞凋亡。在该途径中,不需要IRF3的转录活性(Chattopadhyay等,2013b; Chattopadhyay等,2016; Chattopadhyay等,2010; Chattopadhyay和Sen,2010; Chattopadhyay等,2011)。这些途径受宿主因素以及病毒的负调控。我们的研究表明IRF3可以通过caspase-8依赖性切割进行蛋白水解加工(Sears等,2011)。 ...

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