tokens: At physiological concentrations , DG and GG were weakly estrogenic , and they activated human NK cells in nutritionally relevant concentrations in vitro , probably at a site different from IL-2 action .
folded_tokens: at physiological concentrations , dg and gg were weakly estrogenic , and they activated human nk cells in nutritionally relevant concentrations in vitro , probably at a site different from il-2 action .
labels: O O O O B-other_organic_compound O B-other_organic_compound O O O O O O O B-cell_type B-cell_type I-cell_type O O O O O O O O O O O O O B-protein_molecule O O