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抗ＣＤ３单抗和ｒＩＬ－２共刺激法诱生扩增的人ＣＤ３ＡＫ是异质性细胞群，其细胞表型以ＣＤ３＋Ｔ淋巴细胞和ＣＤ５６＋ＮＫ细胞表型为主，具有活化的淋巴母细胞形态学特征，常形成集落，并表达活化淋巴细胞的表面标记，如ＩＬ－２受体和ＭＨＣⅡ类抗原。
CD3AK induced by anti-CD3 monoclonal antibody and rIL-2 costimulation method is a heterogeneous cell population. The phenotype of CD3 + T lymphocytes and CD56 + NK cells is the heterogeneous cell population, which has the morphological characteristics of activated lymphoblasts Often form colonies and express surface markers of activated lymphocytes such as IL-2 receptor and MHC class II antigens.