2339
The IL-2 gene displays both T cell specific and inducible expression: it is only expressed in CD4+ T cells after antigenic or mitogenic stimulation .
 ( DNA: IL-2 gene, None) , ( cell type: CD4+ T cells, None) , ( protein: IL-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:
 ( DNA: IL-2 gene, None) , ( cell type: CD4+ T cells, None) , ( protein: IL-2, None) 