14783
By Northern analysis , UT-7 cells expressed detectable levels of beta- and gamma-globin but not alpha-globin .
 ( cell line: UT-7 cells, None) , ( protein: beta- and gamma-globin, None) , ( protein: alpha-globin, 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 line: UT-7 cells, None) , ( protein: beta- and gamma-globin, None) , ( protein: alpha-globin, None) 