Little is known about the mechanisms regulating the maintenance of constitutive nuclear NF-kappa B in some cell-types and of sustained nuclear NF-kappa B activity after stimulation .
little is known about the mechanisms regulating the maintenance of constitutive nuclear nf-kappa b in some cell-types and of sustained nuclear nf-kappa b activity after stimulation .
O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group B-protein_complex I-protein_complex O O O O O O O B-protein_complex I-protein_complex O O O O