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However, suppression of IL-1R gene expression by IFN-gamma and IL-10 was associated with decreased tyrosine phosphorylation and nuclear translocation of the IL-4 / IL-13 -inducible transcription factor , Stat6 , suggesting a potential mechanism by which IFN-gamma and IL-10 may mediate their suppressive effects.
 IFN-gamma, IL-13, IFN-gamma, IL-4 / IL-13 -inducible transcription factor, IL-10, IL-1R, IL-4, IL-10, IL-1R gene, Stat6
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-gamma, IL-13, IFN-gamma, IL-4 / IL-13 -inducible transcription factor, IL-10, IL-1R, IL-4, IL-10, IL-1R gene, Stat6