tokens: Activation of the interleukin 2 ( IL-2 ) gene after antigen recognition is a critical event for T cell proliferation and effector function .
folded_tokens: activation of the interleukin 2 ( il-2 ) gene after antigen recognition is a critical event for t cell proliferation and effector function .
labels: O O O B-protein_molecule I-protein_molecule O B-protein_molecule O O O B-other_name I-other_name O O O O O B-other_name I-other_name I-other_name O O O O