13870
This report sets a basis for further studies on signaling in primary cultured human erythroid precursors , which in turn contribute to our better understanding in the differentiation processes of erythrocytes and their precursors.
 ( cell type: human erythroid precursors, None) , ( cell type: primary cultured human erythroid precursors, None) , ( cell type: erythrocytes, 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: human erythroid precursors, None) , ( cell type: primary cultured human erythroid precursors, None) , ( cell type: erythrocytes, None) 