Nuclear extracts assayed for the presence of ISRE binding factors by electrophoretic mobility shift assays show that ISGF3 is induced by IFN-alpha within 6 h from undetectable basal levels in untreated U937 cells .
nuclear extracts assayed for the presence of isre binding factors by electrophoretic mobility shift assays show that isgf3 is induced by ifn-alpha within 6 h from undetectable basal levels in untreated u937 cells .
B-cell_component I-cell_component O O O O O B-DNA_domain_or_region O O O B-other_name I-other_name I-other_name I-other_name O O B-protein_molecule O O O B-protein_molecule O O O O O O O O O B-cell_line I-cell_line O