3710
The ATRA -induced expression of IRF-1 , an activator of transcription and repressor of transformation, may be one of the molecular mechanisms of ATRA -induced growth inhibition , and the basis for the synergistic actions of ATRA and IFNs in myeloid leukemia cells .
 ( cell line: myeloid leukemia cells, None) , ( protein: IRF-1, None) , ( protein: IFNs, 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: myeloid leukemia cells, None) , ( protein: IRF-1, None) , ( protein: IFNs, None) 