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A role for the gut microbiota in immune checkpoint inhibitor-induced colitis
Nature Reviews Gastroenterology & Hepatology ( IF 65.1 ) Pub Date : 2024-01-23 , DOI: 10.1038/s41575-024-00897-1
Katrina Ray

New research demonstrates that colitis induced by cytotoxic T lymphocyte protein 4 (CTLA4) blockade depends on the gut microbiota, which induces activation of CD4+ T cells and depletion of regulatory T (Treg) cells via the Fcγ receptor. Importantly, anti-CTLA nanobodies that lacked the Fc domain stimulated antitumour immunity in mouse models without inducing colitis.



中文翻译:

肠道微生物群在免疫检查点抑制剂诱导的结肠炎中的作用

新研究表明,细胞毒性 T 淋巴细胞蛋白 4 (CTLA4) 阻断诱导的结肠炎取决于肠道微生物群,肠道微生物群会通过 Fcγ 受体诱导 CD4 + T 细胞的激活和调节性 T (T reg ) 细胞的消耗。重要的是,缺乏 Fc 结构域的抗 CTLA 纳米抗体可以在小鼠模型中刺激抗肿瘤免疫,但不会诱发结肠炎。

更新日期:2024-01-23
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