6190
In gene transfection assays, the effect of TNFalpha requires the presence of an inducible nuclear factor-kappaB ( NF-kappaB ) ( Rel A ) binding site in the IL-8 promoter .
 TNFalpha, IL-8 promoter, Rel A, NF-kappaB, inducible nuclear factor-kappaB ( NF-kappaB ) ( Rel A ) binding site, IL-8
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:
 TNFalpha, IL-8 promoter, Rel A, NF-kappaB, inducible nuclear factor-kappaB ( NF-kappaB ) ( Rel A ) binding site, IL-8