14904
We propose that Jun plays a bifunctional role on GR -dependent transcriptional activation of GRE , selecting either synergistic or antagonistic activity depending on the cell-specific microenvironment.
 ( protein: Jun, None) , ( DNA: GRE, None) , ( protein: GR, 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: Jun, None) , ( DNA: GRE, None) , ( protein: GR, None) 