Signaling and Function of Interleukin-2 in T Lymphocytes.

Signaling and Function of Interleukin-2 in T Lymphocytes.
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白介素-2在T淋巴细胞中的信号传导和功能。

DOI:
10.1146/annurev-immunol-042617-053352
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发表时间:
2018-04-26
影响因子:
29.7
通讯作者:
Cantrell DA
Cantrell DA
中科院分区:
医学1区
文献类型:
--
作者:
Ross SH;Cantrell DA

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白细胞介素-2(IL-2)的发现改变了对免疫系统如何控制的分子理解。IL-2是一种多效性细胞因子,并且剖析允许IL-2控制促炎性和抗炎性T细胞的分化和稳态的信号传导途径对于确定免疫调节的分子细节是至关重要的。IL-2受体与JAK酪氨酸激酶偶联并激活STAT 5转录因子。然而,IL-2不仅仅控制转录程序;它是T细胞代谢程序的关键调节因子。全球磷酸化蛋白质组学方法的发展进一步扩展了对IL-2信号传导的理解,揭示了T细胞中可能受IL-2影响的磷酸化蛋白的多样性。然而,越来越清楚的是,在每个T细胞亚群中,IL-2将在其他信号转导网络的框架内发出信号,这些信号转导网络将共同塑造决定T细胞命运的转录和代谢程序。
The discovery of interleukin-2 (IL-2) changed the molecular understanding of how the immune system is controlled. IL-2 is a pleiotropic cytokine, and dissecting the signaling pathways that allow IL-2 to control the differentiation and homeostasis of both pro- and anti-inflammatory T cells is fundamental to determining the molecular details of immune regulation. The IL-2 receptor couples to JAK tyrosine kinases and activates the STAT5 transcription factors. However, IL-2 does much more than control transcriptional programs; it is a key regulator of T cell metabolic programs. The development of global phosphoproteomic approaches has expanded the understanding of IL-2 signaling further, revealing the diversity of phosphoproteins that may be influenced by IL-2 in T cells. However, it is increasingly clear that within each T cell subset, IL-2 will signal within a framework of other signal transduction networks that together will shape the transcriptional and metabolic programs that determine T cell fate.
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