Furthermore , while ligand-activated c-erbA/TR accelerated differentiation , unliganded c-erbA/TR effectively blocked differentiation and supported sustained progenitor growth in culture .
furthermore , while ligand-activated c-erba/tr accelerated differentiation , unliganded c-erba/tr effectively blocked differentiation and supported sustained progenitor growth in culture .
O O O B-other_name B-protein_molecule O O O O B-protein_molecule O O O O O O O O O O O