8520
These target genes show quite distinct expression patterns demonstrating that transcription factors in addition to Oct2 are involved in their regulation.
 ( protein: Oct2, None) , ( DNA: target genes, None) , ( protein: transcription factors, 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: Oct2, None) , ( DNA: target genes, None) , ( protein: transcription factors, None) 