tokens: We demonstrate that , in primary NK cells , IL-13 , but not IL-4 , may induce low levels of IFN-gamma secretion .
folded_tokens: we demonstrate that , in primary nk cells , il-13 , but not il-4 , may induce low levels of ifn-gamma secretion .
labels: O O O O O B-cell_type I-cell_type I-cell_type O B-protein_molecule O O O B-protein_molecule O O O O O O B-protein_molecule O O