9215
Cell cycle progression initiated by interleukin-2 ( IL-2 ) in T cells is critical for lymphoproliferation and an immune response .
 ( protein: IL-2, None) , ( protein: interleukin-2, None) , ( cell type: T cells, 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: IL-2, None) , ( protein: interleukin-2, None) , ( cell type: T cells, None) 