4189
The requirements for induction of transcription factors reflected the requirements for the secretion of multiple cytokines , including IL-2 , TNF-alpha , IFN-gamma , and granulocyte macrophage-CSF .
 ( protein: IFN-gamma, None) , ( protein: TNF-alpha, None) , ( protein: IL-2, None) , ( protein: cytokines, None) , ( protein: granulocyte macrophage-CSF, None) , ( protein: transcription factors, 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: IFN-gamma, None) , ( protein: TNF-alpha, None) , ( protein: IL-2, None) , ( protein: cytokines, None) , ( protein: granulocyte macrophage-CSF, None) , ( protein: transcription factors, None) 