2708
The presence of multiple potential binding sites for MS-2 in the promoter regions of a wide range of genes expressed in mature myeloid cells suggests this factor plays a general role in myeloid differentiation .
 protein: MS-2; cell type: mature myeloid cells
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: MS-2, mature myeloid cells 
Answer:
 protein: MS-2; cell type: mature myeloid cells