When challenged with an activating stimulus such as alpha- CD3 or a combination of phorbol ester plus ionophore , the cells are severely compromised in their ability to produce the cytokine interleukin-2 ( IL-2 ) .
when challenged with an activating stimulus such as alpha- cd3 or a combination of phorbol ester plus ionophore , the cells are severely compromised in their ability to produce the cytokine interleukin-2 ( il-2 ) .
O O O O O O O O B-protein_molecule B-protein_molecule O O O O B-other_organic_compound I-other_organic_compound O B-other_organic_compound O O O O O O O O O O O O B-protein_family_or_group B-protein_molecule O B-protein_molecule O O