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PD-1/PD-L1参与肿瘤免疫逃逸的研究进展 被引量:44

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摘要 程序性死亡分子1及其配体(PD-1/PD-L1)是一对负性免疫共刺激分子,正常情况下,组织细胞表面的PD-L1与淋巴细胞表面的PD-1结合后,可抑制淋巴细胞功能,诱导活化的淋巴细胞凋亡,从而在自身免疫耐受及防止自身免疫性疾病中发挥重要作用。多种肿瘤细胞表面也表达PD-L1,肿瘤细胞表达的PD-L1,可与肿瘤浸润淋巴细胞表面的PD-1分子结合,抑制淋巴细胞的功能及细胞因子的释放,并诱导淋巴细胞凋亡,从而抵抗淋巴细胞的杀伤作用,最终导致肿瘤发生免疫逃逸。
出处 《细胞与分子免疫学杂志》 CAS CSCD 北大核心 2014年第7期777-780,共4页 Chinese Journal of Cellular and Molecular Immunology
基金 国家重点基础研究发展计划(973)(2013CB530500)
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