1180
Increases in CAT activity during transient expression of these constructs in TPA -treated U-937 cells could be assigned to the region (-97 to -20) of the promoter that contains the AP-1 binding site .
 cell line: TPA -treated U-937 cells; DNA: AP-1 binding site; DNA: promoter; protein: CAT
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 cell line: TPA -treated U-937 cells; DNA: AP-1 binding site; DNA: promoter; protein: CAT