3845
bcl-2 expression is increased following phorbol ester treatment , and the increased expression is dependent on the CRE site .
 ( DNA: CRE site, None) , ( protein: bcl-2, 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: CRE site, None) , ( protein: bcl-2, None) 