Costimulation through CD28 and/or CD2 did not modulate the CD3 -dependent phosphorylation of HS1 .
costimulation through cd28 and/or cd2 did not modulate the cd3 -dependent phosphorylation of hs1 .
O O B-protein_molecule O B-protein_molecule O O O O B-protein_molecule O O O B-protein_molecule O