7644
These cells are deficient in FasL expression and apoptosis induced upon TCR triggering, although their cytokine ( IL-2 and IFN-gamma ) production is normal.
 ( protein: TCR, None) , ( protein: IFN-gamma, None) , ( protein: FasL, None) , ( protein: IL-2, 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: TCR, None) , ( protein: IFN-gamma, None) , ( protein: FasL, None) , ( protein: IL-2, None) 