tokens: We previously demonstrated that GRbeta could antagonize GRalpha -mediated transactivation of a glucocorticoid-responsive element ( GRE ) -driven reporter gene in COS-7 cells .
folded_tokens: we previously demonstrated that grbeta could antagonize gralpha -mediated transactivation of a glucocorticoid-responsive element ( gre ) -driven reporter gene in cos-7 cells .
labels: O O O O B-protein_molecule O O B-protein_molecule O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O B-cell_line I-cell_line O