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HLA-G与肿瘤研究进展 被引量:6

Recent progress of HLA-G in cancer
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摘要 人类白细胞抗原-G(human leukocyte antigen G,HLA-G)属于非经典的HLA I类分子,是机体内重要的免疫耐受分子。HLA-G可以与表达在免疫细胞上的受体结合直接发挥免疫抑制功能,同时通过诱导产生调节性T细胞(regulatory T cells,Treg)或"Trogocytosis"机制参与机体的免疫耐受,以协助肿瘤细胞实现免疫逃逸。近年来研究发现,HLA-G在多种恶性肿瘤中均存在异常表达并抑制宿主的抗肿瘤免疫反应。对HLA-G在肿瘤中的表达及可能的作用机制研究进展作一综述。 Human leukocyte antigen-G (HLA-G), a non-classical HLA class I molecule, is an important imm- unotolerant. HLA-G could directly inhibit biological functions of immune cells by binding to receptors expressed in these cells, and HLA-G-mediated immune tolerance could be extended to induce regulatory T cells (Tregs) and by the mechanism of "Trogocytosis". To date, HLA-G expression in malignancies has been intensively investigated. We here discuss current findings on HLA-G expression and its possible mechanisms in malignancies,
出处 《生命科学》 CSCD 2012年第3期242-249,共8页 Chinese Bulletin of Life Sciences
基金 国家自然科学基金项目(31170879、8110-2218) 浙江省自然科学基金项目(Y2101323)
关键词 HLA-G 肿瘤 免疫耐受 HLA-G cancer immune tolerance
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