tokens: Injection of SEA to adult mice activates CD4+ T cells expressing certain T-cell receptor ( TCR ) variable region beta-chain families and induces strong and rapid production of interleukin 2 ( IL-2 ) .
folded_tokens: injection of sea to adult mice activates cd4+ t cells expressing certain t-cell receptor ( tcr ) variable region beta-chain families and induces strong and rapid production of interleukin 2 ( il-2 ) .
labels: O O B-protein_molecule O O O O B-cell_type B-cell_type I-cell_type O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O O O O O O O O B-protein_molecule O O