9893
In the present study, we monitored Oct-2 expression in cells arrested for the activation of NF-kappaB , an LPS -responsive member of the Rel transcription factor family .
 LPS -responsive member, Rel transcription factor family, Oct-2, 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:
 LPS -responsive member, Rel transcription factor family, Oct-2, NF-kappaB