8876
Regulation of fas-ligand expression during activation-induced cell death in T lymphocytes via nuclear factor kappaB .
 ( protein: nuclear factor kappaB, None) , ( cell type: T lymphocytes, 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: nuclear factor kappaB, None) , ( cell type: T lymphocytes, None) 