The IL-6-induced cells resemble plasma cells in ultrastructure and in reduced expression of surface MHC class II .
the il-6-induced cells resemble plasma cells in ultrastructure and in reduced expression of surface mhc class ii .
O B-cell_line I-cell_line O B-cell_type I-cell_type O O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O