6680
In addition, we show that PNU156804 does not block significantly the induction of either IL-2 or IL-2R alpha- and gamma- chains but inhibits IL-2 -dependent T cell proliferation .
 ( protein: IL-2, 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:
 ( protein: IL-2, None) , ( protein: IL-2, None) 