15011
Interleukin-3 ( IL-3 ) is exclusively expressed by activated T and natural killer cells , a function that is tightly controlled both in a lineage-specific and in a stimulation-dependent manner.
 ( protein: IL-3, None) , ( cell type: natural killer cells, None) , ( cell type: activated T, None) , ( protein: Interleukin-3, 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-3, None) , ( cell type: natural killer cells, None) , ( cell type: activated T, None) , ( protein: Interleukin-3, None) 