tokens: U937 cells differentiated with PMA in nonadherent culture were shown to express two fibrinogen-binding integrins , predominately CD11b/CD18 , and to a lesser extent , CD11c/CD18 .
folded_tokens: u937 cells differentiated with pma in nonadherent culture were shown to express two fibrinogen-binding integrins , predominately cd11b/cd18 , and to a lesser extent , cd11c/cd18 .
labels: B-cell_line I-cell_line O O B-other_organic_compound O B-cell_line I-cell_line O O O O O B-protein_family_or_group I-protein_family_or_group O O B-protein_molecule O O O O O O O B-protein_molecule O