5901
Neutrophil maturation occurs in well defined morphological stages that correlate with the acquisition of molecular markers associated with neutrophil function .
 ( protein: molecular markers, None) , ( cell type: Neutrophil, 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: molecular markers, None) , ( cell type: Neutrophil, None) 