7198
Here we show that blockade of NF-kappaB activity , using a dominant negative IkappaBalpha , has opposite effects on these two apoptotic signals .
 ( protein: NF-kappaB, None) , ( protein: dominant negative IkappaBalpha, 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: NF-kappaB, None) , ( protein: dominant negative IkappaBalpha, None) 