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根据ＣＤ45分子异构型的不同 ,Ｔ细胞可分为表达ＣＤ45ＲＡ的未致敏Ｔ细胞及表达ＣＤ45ＲＯ的记忆Ｔ细胞[1] 。记忆Ｔ细胞是一群在抗原驱动下发生寡克隆扩增的Ｔ细胞 ,可识别特异性抗原 ,参与增强性的再次免疫应答。记忆性Ｔ细胞还表达ＩＣＡＭ及ＭＨＣＩＩ类分子等。本文旨在
According to the different molecular isotypes of CD45, T cells can be divided into non-sensitized T cells expressing CD45RA and memory T cells expressing CD45RO [1]. Memory T cells are a group of antigen-driven oligoclonal expansion of T cells that recognize specific antigens involved in enhanced re-immune response. Memory T cells also express ICAM and MHC class II molecules. This article aims