7549
Mutation of either of the putative NF-kappaB-binding sites in the enhancer element decreased the LPS -stimulated transcriptional activity .
 NF-kappaB-binding sites
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:
 NF-kappaB-binding sites