Both phosphorylated and dephosphorylated pRB were expressed in all serum-starved MM patient cells and MM-derived cell lines , but pRB was predominantly in its phosphorylated form .
both phosphorylated and dephosphorylated prb were expressed in all serum-starved mm patient cells and mm-derived cell lines , but prb was predominantly in its phosphorylated form .
O O O O B-protein_family_or_group O O O O O O O O O B-cell_line I-cell_line I-cell_line O O B-protein_family_or_group O O O O O O O