8236
Conversion of E2 to E1 was upregulated within 24 hours when HL60 cells were treated with either all-trans retinoic acid or D3 at doses that induce their differentiation toward neutrophils or monocytes , respectively.
 ( cell type: neutrophils, None) , ( cell line: HL60 cells, None) , ( cell type: monocytes, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( cell type: neutrophils, None) , ( cell line: HL60 cells, None) , ( cell type: monocytes, None) 