1482
Untreated NS-Meg cells expressed mRNA for the Epo receptor ( EpoR ), for GATA-1 , and for alpha 1 , alpha 2 and gamma globin genes .
 ( protein: GATA-1, None) , ( RNA: mRNA, None) , ( protein: EpoR, None) , ( protein: Epo receptor, None) , ( cell line: NS-Meg 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:
 ( protein: GATA-1, None) , ( RNA: mRNA, None) , ( protein: EpoR, None) , ( protein: Epo receptor, None) , ( cell line: NS-Meg cells, None) 