2659
The Tax protein of HTLV-I , a positive transcriptional activator of HTLV-I gene expression , is a viral oncogene that also increases transcription of cellular genes including GM-CSF , IL-2R alpha and IL-2 .
 ( protein: positive transcriptional activator, None) , ( DNA: cellular genes, None) , ( protein: GM-CSF, None) , ( protein: Tax protein, None) , ( protein: IL-2, None) , ( protein: IL-2R alpha, 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: positive transcriptional activator, None) , ( DNA: cellular genes, None) , ( protein: GM-CSF, None) , ( protein: Tax protein, None) , ( protein: IL-2, None) , ( protein: IL-2R alpha, None) 