9685
Promoter activity was increased by the transcription factors C/EBPbeta ( NF-IL6 ) and more strongly, by C/EBPdelta ( NF-IL6beta ).
 ( protein: transcription factors, None) , ( protein: C/EBPdelta, None) , ( protein: C/EBPbeta, None) , ( protein: NF-IL6beta, None) , ( protein: NF-IL6, 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: transcription factors, None) , ( protein: C/EBPdelta, None) , ( protein: C/EBPbeta, None) , ( protein: NF-IL6beta, None) , ( protein: NF-IL6, None) 