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The transcription factor nuclear factor-kappaB ( NF-kappaB ) participates in most signaling pathways involved in inflammation .
 nuclear factor-kappaB, NF-kappaB
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:
 nuclear factor-kappaB, NF-kappaB