抗氧化剂在调节抗肿瘤 T 细胞免疫反应中的作用

Advances in cancer research Pub Date : 2024-01-01 Epub Date: 2024-06-13 DOI:10.1016/bs.acr.2024.05.003
Nathaniel Oberholtzer, Stephanie Mills, Shubham Mehta, Paramita Chakraborty, Shikhar Mehrotra
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引用次数: 0

摘要

除了氧气在细胞呼吸中的重要作用外,氧气平衡的破坏也会导致应激和氧化损伤的增加,这一点已经得到公认。同样,肿瘤增殖和侵袭过程中氧气减少会产生缺氧的肿瘤微环境,导致免疫细胞功能失调,为肿瘤的适应和生长提供有利环境。为了提高免疫疗法的效果,人们正在寻求改善肿瘤反应性 T 细胞在高度氧化的肿瘤环境中的持久性的策略。为此,我们重点研究了有助于提高或维持T细胞抗氧化能力的各种策略,从而降低它们对氧化应激/损伤的易感性。在此,我们将概述氧在 T 细胞信号传导中的作用,以及如何针对调节氧化应激或抗氧化信号传导的途径来加强癌症治疗的免疫疗法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Role of antioxidants in modulating anti-tumor T cell immune resposne.

It has been well established that in addition to oxygen's vital in cellular respiration, a disruption of oxygen balance can lead to increased stress and oxidative injury. Similarly, reduced oxygen during tumor proliferation and invasion generates a hypoxic tumor microenvironment, resulting in dysfunction of immune cells and providing a conducive milieu for tumors to adapt and grow. Strategies to improve the persistence tumor reactive T cells in the highly oxidative tumor environment are being pursued for enhancing immunotherapy outcomes. To this end, we have focused on various strategies that can help increase or maintain the antioxidant capacity of T cells, thus reducing their susceptibility to oxidative stress/damage. Herein we lay out an overview on the role of oxygen in T cell signaling and how pathways regulating oxidative stress or antioxidant signaling can be targeted to enhance immunotherapeutic approaches for cancer treatment.

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