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免疫细胞中的PD-1:免疫正常化的关键靶标
T细胞在细胞免疫和免疫调节以及适应性免疫中起着重要作用。PD-1在T细胞活化、耐受和耗竭中起着至关重要的作用,并参与肿瘤发生、炎症和感染。T细胞上PD-1的异常表达破坏了免疫稳态,并为疾病发展创造了机会。
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