At the same time there was no change in the level of expression of the cell surface antigenes CD33 , CD34 , CD45 , CD71 and glycophorin A .
at the same time there was no change in the level of expression of the cell surface antigenes cd33 , cd34 , cd45 , cd71 and glycophorin a .
O O O O O O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group B-protein_molecule O B-protein_molecule O B-protein_molecule O B-protein_molecule O B-protein_molecule I-protein_molecule O