4210
In contrast, in DOX -treated cells , the transcription rate of these genes was unchanged in comparison with control cells .
 ( cell type: control cells, None) , ( DNA: genes, None) , ( cell line: DOX -treated 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:
 ( cell type: control cells, None) , ( DNA: genes, None) , ( cell line: DOX -treated cells, None) 