U937 cells express both type I and type II IFN receptors , but only IFN-alpha is capable of inducing antiviral protection in these cells .
u937 cells express both type i and type ii ifn receptors , but only ifn-alpha is capable of inducing antiviral protection in these cells .
B-cell_line I-cell_line O O B-protein_family_or_group I-protein_family_or_group O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O B-protein_molecule O O O O B-other_name I-other_name O O O O