In T cells and T cell lines , NF-kB is bound to a cytoplasmic proteic inhibitor , the IkB .
in t cells and t cell lines , nf-kb is bound to a cytoplasmic proteic inhibitor , the ikb .
O B-cell_type I-cell_type O B-cell_line I-cell_line I-cell_line O B-protein_molecule O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O B-protein_molecule O