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外周血淋巴细胞,无需抗体参与既能杀伤某些无特异抗原的靶细胞。这种未经致敏就能杀伤靶细胞的现象,称为自然杀伤细胞介导的细胞毒。这种效应细胞称为自然杀伤细胞(Natural Killercell简称NK)。
Peripheral blood lymphocytes, without antibody involved in killing some non-specific antigen target cells. This phenomenon of killing target cells without sensitization is called natural killer cell-mediated cytotoxicity. This effector cell is called Natural Killer Cell (NK).