tokens: In contrast , minimal or no activation of Stat3beta was observed , suggesting that IL-2 and IL-15 predominantly activate Stat3alpha in human CD4 ( + ) T cells .
folded_tokens: in contrast , minimal or no activation of stat3beta was observed , suggesting that il-2 and il-15 predominantly activate stat3alpha in human cd4 ( + ) t cells .
labels: O O O O O O O O B-protein_molecule O O O O O B-protein_molecule O B-protein_molecule O O B-protein_molecule O B-cell_type I-cell_type I-cell_type I-cell_type I-cell_type I-cell_type I-cell_type O