3246
These data suggest that interferon regulatory factor 1 not only triggers the activation of the interferon signal transduction pathway , but also may play a role in limiting the duration of this response by activating the transcription of IRF-2 .
 ( protein: interferon regulatory factor 1, None) , ( protein: IRF-2, None) , ( protein: interferon, 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: interferon regulatory factor 1, None) , ( protein: IRF-2, None) , ( protein: interferon, None) 