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Leukotriene B4 transcriptionally activates interleukin-6 expression involving NK-chi B and NF-IL6 .
 protein: interleukin-6; protein: NF-IL6; protein: NK-chi 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: interleukin-6; protein: NF-IL6; protein: NK-chi B