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Suppression of signals required for activation of transcription factor NF-kappa B in cells constitutively expressing the HTLV-I Tax protein .
 protein: transcription factor NF-kappa B; protein: HTLV-I Tax protein; protein: NF-kappa B
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: transcription factor NF-kappa B; protein: HTLV-I Tax protein; protein: NF-kappa B