2039
Moreover, DEM abolished phorbol 12-myristate 13-acetate -induced activation of the transcription factors AP-1 and Egr-1 , suggesting that inhibition of differentiation may be due, at least in part, to redox modifications of these proteins .
 ( protein: proteins, None) , ( protein: AP-1, None) , ( protein: Egr-1, None) , ( protein: transcription factors, 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: proteins, None) , ( protein: AP-1, None) , ( protein: Egr-1, None) , ( protein: transcription factors, None) 