tokens: Gel-shift analysis demonstrated that stimulation of CD4+ T cells with CHO-DR and staphylococcal enterotoxin A was sufficient to induce significant amounts of NF-kappa B binding proteins , whereas induction of AP-1 binding proteins required costimulation .
folded_tokens: gel-shift analysis demonstrated that stimulation of cd4+ t cells with cho-dr and staphylococcal enterotoxin a was sufficient to induce significant amounts of nf-kappa b binding proteins , whereas induction of ap-1 binding proteins required costimulation .
labels: O O O O O O B-cell_line I-cell_line I-cell_line O B-protein_molecule O B-other_organic_compound I-other_organic_compound I-other_organic_compound O O O O O O O B-protein_molecule I-protein_molecule O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O