The Role of Non-essential Amino Acids in T Cell Function and Anti-tumour Immunity.

The Role of Non-essential Amino Acids in T Cell Function and Anti-tumour Immunity.
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DOI:
10.1007/s00005-021-00633-6
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发表时间:
2021-10-12
影响因子:
3.2
通讯作者:
Salmond RJ
Salmond RJ
中科院分区:
医学4区
文献类型:
--
作者:
Hope HC;Salmond RJ

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T细胞活化、分化和增殖依赖于调节和适应细胞代谢的能力并且与调节和适应细胞代谢的能力内在地联系。抗原诱导的激活刺激导致代谢重编程的转录程序,使T细胞能够为合成代谢途径提供燃料,并提供营养素以维持增殖和效应子应答。氨基酸是T细胞的关键营养素,并作为蛋白质合成的基石以及在许多代谢途径中发挥重要作用。本文就非必需氨基酸的摄取和生物合成在T细胞代谢、活化和效应功能中的作用进行综述。此外,我们强调了氨基酸代谢和癌细胞对T细胞抗肿瘤功能的消耗的影响,并讨论了调节和改善T细胞代谢的方法,以改善这些营养耗尽的微环境中的抗肿瘤功能。
T cell activation, differentiation and proliferation is dependent upon and intrinsically linked to a capacity to modulate and adapt cellular metabolism. Antigen-induced activation stimulates a transcriptional programme that results in metabolic reprogramming, enabling T cells to fuel anabolic metabolic pathways and provide the nutrients to sustain proliferation and effector responses. Amino acids are key nutrients for T cells and have essential roles as building blocks for protein synthesis as well as in numerous metabolic pathways. In this review, we discuss the roles for uptake and biosynthesis of non-essential amino acids in T cell metabolism, activation and effector function. Furthermore, we highlight the effects of amino acid metabolism and depletion by cancer cells on T cell anti-tumour function and discuss approaches to modulate and improve T cell metabolism for improved anti-tumour function in these nutrient-depleted microenvironments.
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