557
We furthermore demonstrate that this process involves activation of the transcription factor NF-chi B and, to a lesser extent, of NF-IL6 , while the activity of the transcription factor AP-1 , shown to otherwise confer IL-6 inducibility , appeared to be unaffected by LTB4 .
 protein: NF-IL6; protein: IL-6; protein: transcription factor; protein: NF-chi B; protein: transcription factor; protein: AP-1
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: NF-IL6; protein: IL-6; protein: transcription factor; protein: NF-chi B; protein: transcription factor; protein: AP-1