To compare the role of CD28 , neonatal and adult T cells were stimulated with a pair of mitogenic anti-CD2 antibodies in the presence or absence of anti- CD28 MoAb .
to compare the role of cd28 , neonatal and adult t cells were stimulated with a pair of mitogenic anti-cd2 antibodies in the presence or absence of anti- cd28 moab .
O O O O O B-protein_molecule O B-cell_type O B-cell_type B-cell_type I-cell_type O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O O O O B-protein_family_or_group B-protein_molecule O O