11583
These results suggest that the molecular mechanism of HIV inhibition by ascorbate is not mediated via NF-kappa B inhibition , unlike that seen with other antioxidants .
 NF-kappa B
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:
 NF-kappa B