9881
Despite differences in T cell responses induced by interleukin (IL)-2 and IL-7 , both cytokines modulate T cell functions by activation of signal transducers and activators of transcription (STAT) proteins .
 ( protein: IL-7, None) , ( protein: interleukin (IL)-2, None) , ( protein: cytokines, None) , ( protein: signal transducers and activators of transcription (STAT) 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: IL-7, None) , ( protein: interleukin (IL)-2, None) , ( protein: cytokines, None) , ( protein: signal transducers and activators of transcription (STAT) proteins, None) 