tokens: Ligation of CD16 on IL-2- preactivated NK cells resulted in reduction of intracellular peroxide level as well as induction of FasL expression .
folded_tokens: ligation of cd16 on il-2- preactivated nk cells resulted in reduction of intracellular peroxide level as well as induction of fasl expression .
labels: O O B-protein_molecule O B-cell_type B-cell_type I-cell_type I-cell_type O O O O B-other_name I-other_name I-other_name O O O O O B-protein_molecule O O