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Interleukin-2 signaling in the regulation of T cell biology in autoimmunity and cancer
Immunity ( IF 32.4 ) Pub Date : 2024-03-12 , DOI: 10.1016/j.immuni.2024.02.001
Acacia N. Shouse , Kathryn M. LaPorte , Thomas R. Malek

Interleukin-2 (IL-2) is a critical cytokine for T cell peripheral tolerance and immunity. Here, we review how IL-2 interaction with the high-affinity IL-2 receptor (IL-2R) supports the development and homeostasis of regulatory T cells and contributes to the differentiation of helper, cytotoxic, and memory T cells. A critical element for each T cell population is the expression of CD25 (Il2rα), which heightens the receptor affinity for IL-2. Signaling through the high-affinity IL-2R also reinvigorates CD8 exhausted T (Tex) cells in response to checkpoint blockade. We consider the molecular underpinnings reflecting how IL-2R signaling impacts these various T cell subsets and the implications for enhancing IL-2-dependent immunotherapy of autoimmunity, other inflammatory disorders, and cancer.

中文翻译:

Interleukin-2 信号传导在自身免疫和癌症中 T 细胞生物学调节中的作用

白细胞介素-2 (IL-2) 是 T 细胞外周耐受和免疫的关键细胞因子。在此,我们回顾了 IL-2 与高亲和力 IL-2 受体 (IL-2R) 的相互作用如何支持调节性 T 细胞的发育和稳态,并有助于辅助性 T 细胞、细胞毒性 T 细胞和记忆性 T 细胞的分化。每个 T 细胞群的一个关键要素是 CD25 (Il2rα) 的表达,它提高了 IL-2 受体的亲和力。通过高亲和力 IL-2R 的信号传导也会使 CD8 耗尽的 T (Tex) 细胞重新焕发活力,以响应检查点封锁。我们考虑了反映 IL-2R 信号传导如何影响这些不同 T 细胞亚群的分子基础,以及对增强自身免疫、其他炎症性疾病和癌症的 IL-2 依赖性免疫治疗的影响。
更新日期:2024-03-12
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