12524
To better understand the role of STAT proteins during growth and differentiation of granulocytes, we evaluated differentiation of human CD34+ hematopoietic stem cells ex vivo toward eosinophils and neutrophils.
 ( cell type: eosinophils, None) , ( cell line: human CD34+ hematopoietic stem cells, 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: eosinophils, None) , ( cell line: human CD34+ hematopoietic stem cells, None) 