IL-7 signaling and CD127 receptor regulation in the control of T cell homeostasis.

IL-7 signaling and CD127 receptor regulation in the control of T cell homeostasis.
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DOI:
10.1016/j.smim.2012.04.010
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发表时间:
2012-06
影响因子:
7.8
通讯作者:
Surh CD
Surh CD
中科院分区:
医学2区
文献类型:
--
作者:
Carrette F;Surh CD

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成熟T细胞在胸腺中发育后,通过两组存活信号维持在外周,即来自与自身肽/MHC配体接触的TCR信号和来自结合IL-7和IL-15的细胞因子受体信号。这些信号合作,以最大限度地利用有限的资源,以支持成熟T细胞的多样化池。越来越清楚的是,存在多种机制在转录和翻译后水平调节IL-7 R的表达。TCR信号和IL-7 R信号之间的相互作用在IL-7 R表达的调节中也是重要的。本文就IL-7 R信号对T细胞稳态的调节作一综述,重点介绍TCR和IL-7 R信号之间的相互作用。
After their development in the thymus, mature T cells are maintained in the periphery by two sets of survival signals, namely TCR signals from contact with self-peptide/MHC ligands and the cytokine receptor signals from binding IL-7 and IL-15. These signals cooperate to maximize the utility of finite resources to support a diverse pool of mature T cells. It is becoming increasingly clear that multiple mechanisms exist to regulate expression of IL-7R at the transcriptional and post-translational levels. The interplay between TCR signals and IL-7R signals are also important in regulation of IL-7R expression. This review will focus on regulation of T cell homeostasis by IL-7R signaling, with an emphasis on the cross talk between signals from TCR and IL-7R.
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