1591
In this report we describe how signals initiated through the type I IL-1R interact with signals from the antigen receptor to synergistically augment the transactivating properties of NF-kappa B .
 NF-kappa B, type I IL-1R, IL-1R
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, type I IL-1R, IL-1R