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C型凝集素9家族A成员的研究进展

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摘要 C型凝集素9家族A成员(CLEC9A),又称为树突状细胞-NK细胞凝集素群受体1(DNGR-1),属于非经典的2型跨膜C型凝集素样受体,其表达具有高度的树突状细胞(DC)限制性。小鼠CLEC9A主要表达在CD8α^+DC和CD103^+DC表面,人CLEC9A主要表达在血液树突状细胞抗原3阳性DC(BDCA3^+DC)表面。在表型和功能方面,人的同时表达CLEC9A和BDCA3(CLEC9A^+BDCA3^+)的DC与小鼠的CD8α^+DC具有相似性。CLEC9A能够与坏死或受损细胞的纤维状肌动蛋白结合,经细胞质区的免疫受体酪氨酸活化基序结构启动细胞内信号的转导。CLEC9A能介导内吞作用,参与交叉提呈抗原等作用,在抗病毒感染、肿瘤预防与治疗和疫苗的研究中具有潜在的应用前景。本文阐述了CLEC9A分子的研究进展。
出处 《细胞与分子免疫学杂志》 CAS CSCD 北大核心 2016年第6期849-853,共5页 Chinese Journal of Cellular and Molecular Immunology
基金 十二五传染病防治重大专项(2013ZX10001004-002-001)
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