983
The cell type-specific regulation of the CD34 promoter by MZF-1 suggests the presence of tissue-specific regulators/adapters or differential MZF-1 modifications that determine MZF-1 transcriptional regulatory function .
 DNA: MZF-1; DNA: MZF-1; DNA: CD34 promoter; DNA: MZF-1
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: MZF-1; DNA: MZF-1; DNA: CD34 promoter; DNA: MZF-1