9482
Among these target genes is the gene encoding interleukin-2 ( IL2 ), a cytokine facilitating progression through the G1 phase of the cell cycle .
 ( protein: cytokine, None) , ( DNA: target genes, None) , ( protein: IL2, None) , ( protein: interleukin-2, 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: cytokine, None) , ( DNA: target genes, None) , ( protein: IL2, None) , ( protein: interleukin-2, None) 