13072
In this way, diversity in the expression and activation of Stat3 proteins may provide additional means of regulating cytokine -induced T cell responses .
 ( protein: cytokine, None) , ( protein: Stat3, None) , ( protein: Stat3 proteins, 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: cytokine, None) , ( protein: Stat3, None) , ( protein: Stat3 proteins, None) 