3638
However, when HL60R cells were transduced with a functional copy of the RAR alpha gene , RA induced a 10-fold increase in E3 mRNA levels .
 ( protein: RAR alpha, None) , ( protein: E3, None) , ( DNA: RAR alpha gene, None) , ( cell line: HL60R 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: RAR alpha, None) , ( protein: E3, None) , ( DNA: RAR alpha gene, None) , ( cell line: HL60R cells, None) 