8698
Transfection of a GRbeta expression vector alone did not result in IL-2 promoter repression in response to glucocorticoids .
 ( protein: GRbeta, None) , ( DNA: IL-2 promoter, 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: GRbeta, None) , ( DNA: IL-2 promoter, None) 