9808
Consistent with this hypothesis, expression of a dominant-negative form of TRAF2 was found to potentiate TNFR1 -mediated death .
 ( protein: TNFR1, None) , ( protein: dominant-negative form, None) , ( protein: TRAF2, 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: TNFR1, None) , ( protein: dominant-negative form, None) , ( protein: TRAF2, None) 