tokens: IL-4 is secreted by activated Th2 but not Th1 cells and plays a major role in the immune response by modulating the differentiation of naive Th cells toward the Th2 phenotype .
folded_tokens: il-4 is secreted by activated th2 but not th1 cells and plays a major role in the immune response by modulating the differentiation of naive th cells toward the th2 phenotype .
labels: B-protein_molecule O O O O B-cell_type O O B-cell_type I-cell_type O O O O O O O B-other_name I-other_name O O O O O B-cell_type I-cell_type I-cell_type O O B-cell_type I-cell_type O