3708
A more than additive increase in IRF-1 gene expression was seen with ATRA and IFN-gamma in NB4 cells .
 ( cell line: NB4 cells, None) , ( DNA: IRF-1 gene, None) , ( protein: IFN-gamma, 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:
 ( cell line: NB4 cells, None) , ( DNA: IRF-1 gene, None) , ( protein: IFN-gamma, None) 