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The NF-kappaB /Rel family of transcription factors regulates the inducible expression of many genes in activated human monocytes and endothelial cells .
 activated human monocytes, transcription factors, NF-kappaB, NF-kappaB /Rel family, endothelial cells
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:
 activated human monocytes, transcription factors, NF-kappaB, NF-kappaB /Rel family, endothelial cells