12565
Effect of environmental estrogens on IL-1beta promoter activity in a macrophage cell line .
 IL-1beta, IL-1beta promoter, macrophage cell line
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:
 IL-1beta, IL-1beta promoter, macrophage cell line