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 .
 IL-4, anti-CD40 monoclonal antibody, NF-kappaB, cell lines
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 IL-4, anti-CD40 monoclonal antibody, NF-kappaB, cell lines