tokens: Cotransfection of CMV IE genes and IL-6 chloramphenicol acetyl transferase ( CAT ) or IL-6 luciferase constructs were used to study IL-6 promoter activity .
folded_tokens: cotransfection of cmv ie genes and il-6 chloramphenicol acetyl transferase ( cat ) or il-6 luciferase constructs were used to study il-6 promoter activity .
labels: O O B-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group O O O O O O O O O O O O O O O O B-protein_molecule O O O