Regulation and function of mTOR signalling in T cell fate decisions.

Regulation and function of mTOR signalling in T cell fate decisions.
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DOI:
10.1038/nri3198
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发表时间:
2012-04-20
期刊:
Nature reviews. Immunology
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在真核生物中,进化保守的激酶mTOR将细胞生长和代谢与环境输入偶联。T细胞依赖于mTOR信号传导来整合免疫信号和代谢信号,以进行适当的维持和激活。在稳态条件下,mTOR由多种抑制机制主动控制,这强制正常的T细胞稳态。幼稚CD4+和CD8+ T细胞的抗原识别触发mTOR激活,这反过来又将它们分化为功能不同的谱系。本文综述了mTOR在T细胞稳态和功能命运中的信号转导机制以及靶向mTOR在T细胞中的治疗意义。
The evolutionary conserved kinase mTOR couples cell growth and metabolism to environmental inputs in eukaryotes. T cells depend on mTOR signalling to integrate immune signals and metabolic cues for their proper maintenance and activation. Under steady-state conditions, mTOR is actively controlled by multiple inhibitory mechanisms, and this enforces normal T cell homeostasis. Antigen recognition by naïve CD4+ and CD8+ T cells triggers mTOR activation, which in turn programs their differentiation into functionally distinct lineages. This Review focuses on the signalling mechanisms of mTOR in T cell homeostatic and functional fates and therapeutic implications of targeting mTOR in T cells.
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