%0 Journal Article
%T 天然免疫检查点CD47-SIRPα在恶性肿瘤中的研究进展
%A 于姣姣综述
%A 查莉
%A 许斌审校
%J 肿瘤防治研究
%D 2018
%R 10.3971/j.issn.1000-8578.2018.18.0217
%X 摘要 针对CTLA-4/B7和PD-1/PD-L1的免疫检查点抑制剂现已广泛应用于临床，其他检查点抑制剂也正在开发中。CD47是广泛表达于正常细胞表面的蛋白质，在肿瘤细胞中呈过表达状态，其受体为髓系抑制性免疫受体SIRPα。阻断CD47与SIRPα之间的相互作用可增强巨噬细胞和中性粒细胞的吞噬作用进而消灭肿瘤细胞。此外，越来越多的证据表明阻断CD47-SIRPα轴还可以增强抗原呈递细胞的功能，从而刺激T细胞介导的抗癌免疫。随着该领域研究的发展，CD47-SIRPα轴的临床应用将会是未来肿瘤免疫治疗的热点之一
%K 恶性肿瘤
%K CD47
%K SIRPα
%K 免疫检查点
%K 免疫治疗
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%U http://www.zlfzyj.com/CN/abstract/abstract9218.shtml