4801
p45 mRNA is also expressed in HL-60 promyelocytes , albeit the expression level is much lower than that of the granulocyte fraction .
 ( protein: p45, None) , ( RNA: p45 mRNA, None) , ( cell type: granulocyte fraction, None) , ( cell line: HL-60 promyelocytes, 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: p45, None) , ( RNA: p45 mRNA, None) , ( cell type: granulocyte fraction, None) , ( cell line: HL-60 promyelocytes, None) 