6524
The correlation between C5a -induced kappaB binding activity and IL-8 gene expression was examined in the RAW264.7 macrophage cells using reporter genes directed by the kappaB sequence from IkappaBalpha and IL-8 promoter regions .
 IkappaBalpha, IL-8, kappaB, RAW264.7 macrophage cells, IL-8, IL-8 promoter regions, kappaB sequence
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:
 IkappaBalpha, IL-8, kappaB, RAW264.7 macrophage cells, IL-8, IL-8 promoter regions, kappaB sequence