982
Activation of CD34 expression in hematopoietic cell lines is dependent on the presence of intact MZF-1 binding sites .
 cell line: hematopoietic cell lines; DNA: MZF-1 binding sites; protein: CD34; 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:
 cell line: hematopoietic cell lines; DNA: MZF-1 binding sites; protein: CD34; DNA: MZF-1