3637
E3 transcripts were RA -inducible in HL60 cells , but not in an RA -resistant subclone , HL60R , that harbors a mutated RAR alpha gene .
 ( cell line: HL60 cells, None) , ( cell line: RA -resistant subclone, None) , ( DNA: RAR alpha gene, None) , ( protein: RAR alpha, None) , ( protein: E3, None) , ( protein: E3 transcripts, None) , ( cell line: HL60R, 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: HL60 cells, None) , ( cell line: RA -resistant subclone, None) , ( DNA: RAR alpha gene, None) , ( protein: RAR alpha, None) , ( protein: E3, None) , ( protein: E3 transcripts, None) , ( cell line: HL60R, None) 