4429
Recently this leukemia was further characterized by an exquisite sensitivity to all-trans retinoic acid 's differentiation effect and the production of a fusion gene altering the gene of RARalpha and a novel gene PML .
 ( DNA: fusion gene, None) , ( protein: RARalpha, None) , ( DNA: novel gene PML, None) , ( DNA: PML, 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:
 ( DNA: fusion gene, None) , ( protein: RARalpha, None) , ( DNA: novel gene PML, None) , ( DNA: PML, None) 