3705
Because interferon (IFN) regulatory factors ( IRF-1 and IRF-2 ) and other IFN-inducible gene products regulate cell growth , we analyzed the effects of ATRA on the expression of these genes.
 IFN-inducible gene products, IRF-1, IRF-2, interferon (IFN) regulatory factors
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:
 IFN-inducible gene products, IRF-1, IRF-2, interferon (IFN) regulatory factors