4738
We conclude that the kappaB element in the GM-CSF promoter plays a central role in the transcriptional activation of the endogenous GM-CSF gene .
 ( DNA: GM-CSF promoter, None) , ( protein: GM-CSF, None) , ( DNA: GM-CSF gene, None) , ( protein: GM-CSF, None) , ( DNA: kappaB element, 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: GM-CSF promoter, None) , ( protein: GM-CSF, None) , ( DNA: GM-CSF gene, None) , ( protein: GM-CSF, None) , ( DNA: kappaB element, None) 