tokens: Thus , Smad6 and Smad7 exhibit differential inhibitory effects in bone morphogenetic protein-2- and activin A- mediated signaling in B lineage cells .
folded_tokens: thus , smad6 and smad7 exhibit differential inhibitory effects in bone morphogenetic protein-2- and activin a- mediated signaling in b lineage cells .
labels: O O B-protein_molecule O B-protein_molecule O O B-other_name I-other_name O O O O O O O O O O B-cell_type I-cell_type I-cell_type O