Regulation of NF-κB induction by TCR/CD28.

Regulation of NF-κB induction by TCR/CD28.
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DOI:
10.1007/s12026-011-8216-z
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发表时间:
2011-08
影响因子:
4.4
通讯作者:
Kane, Lawrence P.
Kane, Lawrence P.
中科院分区:
医学4区
文献类型:
--
作者:
Cheng, Jing;Montecalvo, Angela;Kane, Lawrence P.

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NF-κB 家族转录因子是许多不同细胞表面受体介导的诱导转录的常见下游靶标,尤其是那些参与炎症和适应性免疫的受体。现在已经清楚,不同类别的受体采用不同的近端信号传导策略来激活常见的 NF-jB 信号传导成分,例如 IKK 复合物。对于 T 细胞和 B 细胞表达的抗原受体,该途径需要蛋白质复合物,包括蛋白质 Carma1、Bcl10 和 Malt1。在这里,我们讨论一些关于 TCR/CD3 和共刺激 CD28 信号传导下游这些蛋白质的调节的一些已知信息。我们还讨论了 TCR 介导的 NF-κB 激活的另一个独特方面,即 T 细胞和呈递特定肽/MHC 的抗原呈递细胞之间形成免疫突触对信号传导事件施加的空间限制。
NF-κB family transcription factors are a common downstream target for inducible transcription mediated by many different cell-surface receptors, especially those receptors involved in inflammation and adaptive immunity. It is now clear that different classes of receptors employ different proximal signaling strategies to activate the common NF-jB signaling components, such as the IKK complex. For antigen receptors expressed by T and B cells, this pathway requires a complex of proteins including the proteins Carma1, Bcl10, and Malt1. Here, we discuss some of what is known about regulation of these proteins downstream of TCR/CD3 and co-stimulatory CD28 signaling. We also discuss another unique aspect of TCR-mediated NF-κB activation, i.e., the spatial restriction imposed on signaling events by the formation of the immunological synapse between a T cell and antigen-presenting cell presenting specific peptide/MHC.
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