9267
In contrast to the increase of C/EBP epsilon in 9-cis RA -mediated granulocytic differentiation , the DMSO -induced differentiation of HL-60 cells down the granulocytic pathway was associated with an initial reduction of C/EBP epsilon mRNA levels.
 HL-60 cells, C/EBP epsilon mRNA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 HL-60 cells, C/EBP epsilon mRNA