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These results appear to indicate that suppression of cytokine and NO generation by Azeptin results at least partially from the inhibition of NF-kappa B activation .
 cytokine, 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:
 cytokine, NF-kappa B