9783
Pretreatment with actinomycin D and cycloheximide or with competing ds-oligonucleotides containing the nuclear factor-kappa B or activator protein-1 cognate DNA sequences significantly attenuated phase-2 response , suggesting a role for de novo macromolecule synthesis .
 ( protein: activator protein-1, None) , ( DNA: cognate DNA sequences, None) , ( protein: nuclear factor-kappa B, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: activator protein-1, None) , ( DNA: cognate DNA sequences, None) , ( protein: nuclear factor-kappa B, None) 