1222
In this promoter, we identified two osteoblast-specific cis-acting elements (Ducy, P.and Karsenty, G.(1995) Mol.Cell.Biol.15, 1858-1869).
 DNA: osteoblast-specific cis-acting elements
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:
 DNA: osteoblast-specific cis-acting elements