Here , we demonstrate that NK cells induce HLA-DR on the surface of a mutant cell line that is defective in IFN-gamma -induced MHC class II expression .
here , we demonstrate that nk cells induce hla-dr on the surface of a mutant cell line that is defective in ifn-gamma -induced mhc class ii expression .
O O O O O B-cell_line I-cell_line O B-protein_family_or_group O O O O O B-cell_line I-cell_line I-cell_line O O O O B-protein_molecule O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O