13766
UT-7/GM was used as a model system, because this cell line can differentiate into erythroid-lineage cells with EPO treatment (Komatsu et al, Blood 89:4021, 1997).
 ( protein: EPO, None) , ( cell type: erythroid-lineage cells, None) , ( cell line: UT-7/GM, 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: EPO, None) , ( cell type: erythroid-lineage cells, None) , ( cell line: UT-7/GM, None) 