10568
We previously showed that PO-B DNA-binding is progressively induced during differentiation of promyelomonocytic leukemic HL-60 cells to the macrophage-like lineage (with phorbol esters ).
 ( protein: PO-B, None) , ( cell line: promyelomonocytic leukemic HL-60 cells, None) , ( cell type: macrophage-like lineage, 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:
 ( protein: PO-B, None) , ( cell line: promyelomonocytic leukemic HL-60 cells, None) , ( cell type: macrophage-like lineage, None) 