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基于PD-1靶点的免疫诊断和治疗策略 被引量:3

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摘要 肿瘤免疫治疗已成为继肿瘤手术、放疗和化疗同等重要的第四种肿瘤治疗模式。基于对肿瘤生物学和免疫学原则的不断深入研究,提高抗肿瘤细胞免疫功能、消除肿瘤细胞对免疫细胞抑制性因素,已发展为免疫治疗的重要策略。细胞程序性死亡-1( Programmed Death 1,PD-1)是近年来发现的负性刺激分子之一,为Ⅰ型跨膜糖蛋白,分子大小为55 kD,属于CD28型家族,作为抑制分子表达于活化的T细胞和B细胞表面。肿瘤细胞表面表达和分泌细胞程序性死亡配体-1( Programmed Death 1 Ligand, PD-L1),PD-L1与肿瘤浸润淋巴细胞表面的PD-1分子结合后,会抑制T、B淋巴细胞的活性,是肿瘤细胞逃避机体免疫的主要原因之一[1]。因此在肿瘤免疫治疗中,基于PD-1为靶点的免疫治疗药物成为研发的热点。现就PD-1/PD-L1通路在免疫调节中的作用及其在免疫治疗方面的研究进展进行综述。
出处 《中国免疫学杂志》 CAS CSCD 北大核心 2015年第10期1413-1417,共5页 Chinese Journal of Immunology
基金 国家"十二五"重大专项(2012ZX09301003-001-007) 国家自然科学基金(81272701)
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参考文献42

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