10872
Analysis of these PBLs revealed that activation of the NF-kappaB pathway is sufficient to promote the growth response to IL-2 .
 ( protein: IL-2, None) , ( protein: NF-kappaB, None) , ( cell type: PBLs, 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: NF-kappaB, None) , ( cell type: PBLs, None) 