However , I kappa B alpha is required for the postinduction repression of NF-kappa B in fibroblasts .
however , i kappa b alpha is required for the postinduction repression of nf-kappa b in fibroblasts .
O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O O O B-other_name I-other_name O B-protein_molecule I-protein_molecule O B-cell_type O