9686
Increased CRH promoter activity following phorbol ester treatment was inhibited by a dominant negative NF-IL6 mutant , showing that the effects of phorbol ester were principally mediated by C/EBP .
 ( protein: CRH, None) , ( protein: C/EBP, None) , ( protein: NF-IL6 mutant, 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: CRH, None) , ( protein: C/EBP, None) , ( protein: NF-IL6 mutant, None) 