In contrast , U-937 cells induced by RA strongly increased their expression of CD23 mRNA and protein , whereas they completely lacked detectable CD14 cell surface or mRNA expression .
in contrast , u-937 cells induced by ra strongly increased their expression of cd23 mrna and protein , whereas they completely lacked detectable cd14 cell surface or mrna expression .
O O O B-cell_line I-cell_line O O B-other_organic_compound O O O O O B-protein_molecule O O O O O O O O O O O O O O O O