8021
In contrast, treatment of HL-60 cells with retinoic acid or DMSO , which results in a granulocytic differentiation of these cells, decreases 4E-BP1 amount without affecting its phosphorylation and strongly increases 4E-BP2 amount .
 HL-60 cells, 4E-BP1, 4E-BP2
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, 4E-BP1, 4E-BP2