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CD28/CTLA4:B7在T细胞激活和效应过程中的共刺激作用 被引量:2

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摘要 抗原特异性T细胞的激活需要TCR-CD3复合体接受抗原提呈细胞提呈的抗原信息,同时还需多种辅助分子提供的共刺激信号。CD28/CTAL4:B7介导的共刺激信号在CD4T细胞激活、CD8T细胞杀伤活性的诱导和效应过程中起重要作用。本文综述了CD28/CTLA:B7的分子特性,在T细胞激活、效应过程中的共刺激作用,CD28介导的信号传导途径及在肿瘤免疫、移植免疫研究中的意义。
出处 《国外医学(免疫学分册)》 CAS 北大核心 1995年第4期193-197,共5页 Foreign Medical Sciences(Section of Immunology Foreign Medical Sciences)
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