tokens: We have analyzed the expression and activity of PU . 1 during human B-cell development using a panel of B-cell lines representing different stages of maturation , from early precursors to differentiated plasma cells .
folded_tokens: we have analyzed the expression and activity of pu . 1 during human b-cell development using a panel of b-cell lines representing different stages of maturation , from early precursors to differentiated plasma cells .
labels: O O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule O B-other_name I-other_name I-other_name O O O O B-cell_line I-cell_line O O O O O O O B-cell_line I-cell_line O B-cell_line I-cell_line I-cell_line O