4718
Multiple transcription factors are required for activation of human interleukin 9 gene in T cells .
 ( protein: transcription factors, None) , ( DNA: human interleukin 9 gene, None) , ( cell type: T cells, 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: transcription factors, None) , ( DNA: human interleukin 9 gene, None) , ( cell type: T cells, None) 