4720
We demonstrated that IL-9 gene expression is controlled, at least in part, by transcriptional activation.
 ( protein: IL-9, None) , ( DNA: IL-9 gene, 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-9, None) , ( DNA: IL-9 gene, None) 