摘要
全球癌症发病率正在增加,研究人员正在寻找源自免疫系统的特异性和非选择性疗法。已知NK细胞的杀伤激活受体与肿瘤和病毒感染细胞的免疫监视有关。这些受体属于两个主要类别,即免疫球蛋白样家族和C-凝集素样家族。尽管它们具有不同的信号途径,但所有的杀伤激活受体均具有相似的效应子功能,包括直接的细胞毒性和炎性细胞因子(如IFN-γ和TNF-α)的释放。为了转导超过细胞毒性激活阈值的信号,大多数这些受体需要协同作用。这篇综述分析了21种受体:13种免疫球蛋白样,5种凝集素样和3种其他受体。它批判性地探索了它们的结构独特性,在疾病中的作用,各自的转导信号途径以及它们作为癌症免疫治疗当前和潜在目标的地位。尽管大多数这些受体的天然配体是已知的,但要寻找具有高结合亲和力的特异性抗体,肽和多靶标小分子还需要做大量工作。
关键词: 免疫学,细胞毒性,免疫球蛋白,免疫疗法,凝集素,NK细胞。
图形摘要
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