tokens: These observations implicated c-Rel as an IL-2 promoter factor , for which experimental support was obtained from transient transfection experiments .
folded_tokens: these observations implicated c-rel as an il-2 promoter factor , for which experimental support was obtained from transient transfection experiments .
labels: O O O B-protein_molecule O O B-protein_molecule O O O O O O O O O O B-other_name I-other_name I-other_name O