...
首页> 外文期刊>Molecular and Cellular Biology >Ca2+/Calmodulin-Dependent Protein Kinase II Is a Modulator of CARMA1-Mediated NF-κB Activation
【24h】

Ca2+/Calmodulin-Dependent Protein Kinase II Is a Modulator of CARMA1-Mediated NF-κB Activation

机译:Ca2 + /钙调蛋白依赖性蛋白激酶II是CARMA1介导的NF-κB激活的调节剂。

获取原文
           

摘要

CARMA1 is a central regulator of NF-κB activation in lymphocytes. CARMA1 and Bcl10 functionally interact and control NF-κB signaling downstream of the T-cell receptor (TCR). Computational analysis of expression neighborhoods of CARMA1-Bcl10MALT 1 for enrichment in kinases identified calmodulin-dependent protein kinase II (CaMKII) as an important component of this pathway. Here we report that Ca2+/CaMKII is redistributed to the immune synapse following T-cell activation and that CaMKII is critical for NF-κB activation induced by TCR stimulation. Furthermore, CaMKII enhances CARMA1-induced NF-κB activation. Moreover, we have shown that CaMKII phosphorylates CARMA1 on Ser109 and that the phosphorylation facilitates the interaction between CARMA1 and Bcl10. These results provide a novel function for CaMKII in TCR signaling and CARMA1-induced NF-κB activation.
机译:CARMA1是淋巴细胞中NF-κB激活的中央调节剂。 CARMA1和Bcl10在功能上相互作用,并控制T细胞受体(TCR)下游的NF-κB信号传导。对CARMA1-Bcl10MALT 1表达邻域进行激酶富集的计算分析确定钙调蛋白依赖性蛋白激酶II(CaMKII)是该途径的重要组成部分。在这里,我们报告说Ca 2 + / CaMKII在T细胞活化后重新分布到免疫突触,并且CaMKII对于TCR刺激诱导的NF-κB活化至关重要。此外,CaMKII增强了CARMA1诱导的NF-κB活化。此外,我们已经表明,CaMKII使Ser109上的CARMA1磷酸化,磷酸化促进CARMA1和Bcl10之间的相互作用。这些结果为CaMKII在TCR信号传导和CARMA1诱导的NF-κB活化中提供了一种新颖的功能。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号