tokens: Cytokines , IL-2 , IL-4 , IL-6 , IL-7 , IL-12 , and IL-15 are key regulators of human peripheral blood T and NK cell activation and differentiation but the precise mechanisms that give rise to their differential activities within these cells are not clear .
folded_tokens: cytokines , il-2 , il-4 , il-6 , il-7 , il-12 , and il-15 are key regulators of human peripheral blood t and nk cell activation and differentiation but the precise mechanisms that give rise to their differential activities within these cells are not clear .
labels: B-protein_family_or_group O B-protein_molecule O B-protein_molecule O B-protein_molecule O B-protein_molecule O B-protein_molecule O O B-protein_molecule O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O