tokens: Transfected U937 cells stably overexpressing PKC-zeta displayed a longer doubling time , lower saturation density at confluency , and an increase in adherence to plastic as compared to control cells .
folded_tokens: transfected u937 cells stably overexpressing pkc-zeta displayed a longer doubling time , lower saturation density at confluency , and an increase in adherence to plastic as compared to control cells .
labels: O B-cell_line I-cell_line O O B-protein_molecule O O O O O O O O O O O O O O O O O O O O O O B-cell_line I-cell_line O