11280
The increase in IL-6 luciferase activity occurs in the absence of the multiple response region, the area of the IL-6 promoter responsive to IL-1 , TNF alpha , cyclic amp , and phorbol 12-myristate 13-acetate .
 IL-1, luciferase, TNF alpha, IL-6 promoter, IL-6, IL-6
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-1, luciferase, TNF alpha, IL-6 promoter, IL-6, IL-6