14374
The transcription factor E2F activates the expression of multiple genes involved in cell proliferation , such as c-myc and the dihydrofolate reductase gene .
 ( DNA: dihydrofolate reductase gene, None) , ( protein: E2F, None) , ( DNA: c-myc, None) , ( protein: transcription factor, None) , ( DNA: genes, 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: dihydrofolate reductase gene, None) , ( protein: E2F, None) , ( DNA: c-myc, None) , ( protein: transcription factor, None) , ( DNA: genes, None) 