TRIM21与IκBα相互作用,并在感染Corynebacterium伪结核病的巨中负面调节NF-κB激活
Chanyu Wu1, Xiaohan Wang1, Xincan Li1
1College of Veterinary Medicine, Southwest University, No. 160 Xueyuan Road, Rongchang District, Chongqing 402460, China.
三方基因含有蛋白21 (TRIM21) 控制在Corynebacterium伪结核病感染期间的炎症. TRIM21稳定IκBα,减少其酸化并抑制NF-κB通路,提供了一个潜在的治疗点.
科学领域:
- 免疫学 免疫学 免疫学
- 微生物学 微生物学
- 细胞生物学 细胞生物学
背景情况:
- 科里尼细菌伪结核病会导致慢性炎症和.
- 众所周知,含有三方基因的蛋白21 (TRIM21) 能够调节炎症反应.
- TRIM21调节C.伪结核病引起的炎症的确切机制尚未完全理解.
研究的目的:
- 阐明TRIM21在C. pseudotuberculosis感染期间调节促炎性细胞因子产生的机制.
- 研究TRIM21与NF-κB信号通路的关键组件之间的相互作用.
主要方法:
- 巨细胞感染模型与C. 伪结核病.
- 西部涂抹检测蛋白质酸化 (IκB和p65).
- 共同免疫沉以评估蛋白质与蛋白质相互作用 (TRIM21和IκBα).
- 乌比基因化测试以确定连接类型 (K48与K63).
主要成果:
- 在巨细胞中,C. pseudotuberculosis感染诱导IκB和p65的酸化.
- TRIM21通过其PRY/SPRY域直接与IκBα相互作用.
- 结合TRIM21稳定了IkBα,导致IkBα酸化的减少.
- TRIM21促进了IκBα的K48链接的无处不在,与K63链接不同.
- 证实TRIM21可以负面调节正规NF-κB通路.
结论:
- 在C. pseudotuberculosis感染期间,TRIM21通过稳定IκBα并减少其酸化来抑制正规NF-κB激活.
- TRIM21在调节IκBα无处置中的作用为其抗炎功能提供了新的洞察力.
- 准TRIM21-IκBα相互作用为控制C.伪结核病引起的炎症提供了潜在的治疗策略.
更多相关视频
11:27A Guide to Production, Crystallization, and Structure Determination of Human IKK1/α
Published on: November 2, 2018
07:55A Macrophage Reporter Cell Assay to Examine Toll-Like Receptor-Mediated NF-kB/AP-1 Signaling on Adsorbed Protein Layers on Polymeric Surfaces
Published on: January 7, 2020
相关概念视频
NF-κB-dependent Signaling Pathway
NF-κB-dependent Signaling Mechanism
The...
Regulation of the Unfolded Protein Response
T Cell Types and Functions
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
Co-activators and Co-repressors
Defense Against Bacterial Pathogens
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
TGF - β Signaling Pathway
