3781
Evidence from several systems indicates that the immediate early gene , egr-1 may be of particular importance in the immune system .
 ( DNA: immediate early gene, None) , ( DNA: egr-1, 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: immediate early gene, None) , ( DNA: egr-1, None) 