8880
Inhibition of NF-kappaB activity in a T cell hybridoma leads to decreased FasL expression and apoptosis upon T cell receptor stimulation .
 ( cell line: T cell hybridoma, None) , ( protein: T cell receptor, None) , ( protein: NF-kappaB, None) , ( protein: FasL, 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:
 ( cell line: T cell hybridoma, None) , ( protein: T cell receptor, None) , ( protein: NF-kappaB, None) , ( protein: FasL, None) 