845
This selective inhibition by IL-10 of NF kappa B activation occurs rapidly and in a dose-dependent manner and correlates well with IL-10 's cytokine synthesis inhibitory activity in terms of both kinetics and dose responsiveness .
 NF kappa B, IL-10, IL-10, cytokine
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, IL-10, IL-10, cytokine