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An interferon-gamma activation sequence mediates the transcriptional regulation of the IgG Fc receptor type IC gene by interferon-gamma .
 interferon-gamma activation sequence, IgG Fc receptor type IC gene, IgG Fc receptor, interferon-gamma
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:
 interferon-gamma activation sequence, IgG Fc receptor type IC gene, IgG Fc receptor, interferon-gamma