Transient transfection of a B lymphoma line resulted in up to 89% reduction of constitutive MHC class II expression within 5 days and suppression of HLA-DRA mRNA synthesis .
transient transfection of a b lymphoma line resulted in up to 89% reduction of constitutive mhc class ii expression within 5 days and suppression of hla-dra mrna synthesis .
O O O O O O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O O O O O B-RNA_molecule I-RNA_molecule O O