6696
Our results suggest that the induction of STAT1 and STAT5 by Tax enhances cytokine -induced functions of virus-infected T-cells , hence the induction may play a role in IL-2 -dependent transformation steps of T-cells by HTLV-1 .
 ( protein: STAT5, None) , ( cell type: T-cells, None) , ( protein: cytokine, None) , ( protein: IL-2, None) , ( protein: STAT1, None) , ( cell type: T-cells, None) , ( protein: Tax, 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: STAT5, None) , ( cell type: T-cells, None) , ( protein: cytokine, None) , ( protein: IL-2, None) , ( protein: STAT1, None) , ( cell type: T-cells, None) , ( protein: Tax, None) 