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科学大讲堂 | 信号通路专题系列一:Nf-κB信号通路

点击次数:679 发布时间:2018/12/11
     Transcriptional programs regulated by Nf-κB are essential to the development and maintenance of the immune system, skeletal system and epithelium. In these settings, Nf-κB contributes to the control of cell survival, differentiation and proliferation. Aberrant activation of Nf-κB has been associated with numerous diseases such as cancer, autoimmune disease, neurodegenerative diseases and cardiovascular disease. The Nf-κB signaling pathway is most characterized and well understood in its role in chronic inflammation and auto-immune disease.  

      Nf-κB调控的转录程序对免疫系统,骨骼系统和上皮细胞的发育和维持至关重要。在这些环境中,Nf-κB有助于控制细胞存活,分化和增殖。 Nf-κB异常活化与许多疾病有关,如癌症,自身免疫性疾病,神经退行性疾病和心血管疾病。Nf-κB信号传导途径在慢性炎症和自身免疫疾病中的作用*具特征并且很好理解。
 
       Nf-κB proteins are characterized by the presence of a 300-amino acid sequence on the N-terminus called the Rel homology domain (RHD). Five members comprise the Nf-κB protein family: RelA/p65, RelB, c-Rel, p50 and p52. These proteins bind to kB sites as homo- or hetero- dimers which can have a positive or negative impact on gene transcription.
There are two types of Nf-κB signaling pathway: canonical and non-canonical. Both require activation through post translational modifications of IkB inhibitors. Canonical pathway activation predominantly occurs through BCR, TCR, TLR4, IL-1R or TNF-R receptors, whereas the non-canonical pathway involves receptor activation of CD40L, BAFF or lymphotoxin-B.

       Nf-κB蛋白质的特征在于在N-末端存在称为Rel同源性结构域(RHD)的300个氨基酸的序列。Nf-κB蛋白家族由五个成员组成:RelA / p65,RelB,c-Rel,p50和p52。这些蛋白作为同源或异源二聚体结合到kB位点上,可能对基因转录产生正面的或负面的影响。
Nf-κB信号传导途径有两种类型:典型和非典型。两者都需要通过IkB抑制剂的翻译后修饰来激活。典型途径活化主要通过BCR,TCR,TLR4,IL-1R或TNF-R受体发生,而非经典途径涉及CD40L,BAFF或淋巴毒素-B的受体活化。
 

        Helping your research

        Biorbyt has an extensive range of small molecules available as research reagents to target proteins in the NF-κB pathway. We provide the best service and a simple buying process allowing you to focus on your valuable research. Take a look at our product pages where you will find competitive pricing, lead times, and easy delivery options. If you have any questions, just ask us.

        Biorbyt拥有广泛的小分子,可用作研究试剂以靶向NF-κB通路中的蛋白质。我们提供的服务和简单的购买流程,让您专注于您的宝贵研究。看看我们的产品页面,您可以找到具有竞争力的价格,交货期和易于交付的选项。如果您有任何问题,请联系我们。

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