9660
Selection of down-regulated sequences along the monocytic differentiation of leukemic HL60 cells .
 cell line: leukemic HL60 cells; DNA: down-regulated sequences
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: leukemic HL60 cells, down-regulated sequences 
Answer:
 cell line: leukemic HL60 cells; DNA: down-regulated sequences