9948
In both cell lines , n-acetyl-L-cysteine ( NAC ), a potent thiol antioxidant , inhibited the triggering of the nuclear expression of NF-kappaB by IL-4 and by anti-CD40 monoclonal antibody .
 ( protein: IL-4, None) , ( protein: anti-CD40 monoclonal antibody, None) , ( protein: NF-kappaB, None) , ( cell line: cell lines, 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: IL-4, None) , ( protein: anti-CD40 monoclonal antibody, None) , ( protein: NF-kappaB, None) , ( cell line: cell lines, None) 