In contrast , expression of the activation-dependent cell surface markers CD25 and CD69 was within normal limits .
in contrast , expression of the activation-dependent cell surface markers cd25 and cd69 was within normal limits .
O O O O O O B-protein_family_or_group B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group B-protein_molecule O B-protein_molecule O O O O O