3782
Recently, the egr-1 promoter has been shown to be highly responsive to the diverse biochemical signals generated by antigen and cytokines in cells of the immune system .
 ( DNA: egr-1, None) , ( DNA: egr-1 promoter, None) , ( protein: cytokines, 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:
 ( DNA: egr-1, None) , ( DNA: egr-1 promoter, None) , ( protein: cytokines, None) 