抗体依赖细胞介导的细胞毒作用 Anibody dependent cell mediated cytotoxcity, ADCC) NK cell FC receptor Ab Ag Target cell Death抗体依赖细胞介导的细胞毒作用 （Anibody dependent cell￾mediated cytotoxcity,ADCC） NK cell FC receptor Ab Ag Target cell Death