10232
Bufalin treatment activated activator protein-1 transcriptional activity ; however, this activation was decreased to 40% in bcl-2 -overexpressed U937 cells .
 ( protein: activated activator protein-1, None) , ( cell line: U937 cells, 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:
 ( protein: activated activator protein-1, None) , ( cell line: U937 cells, None) , ( protein: bcl-2, None) 