5292
This is the first report of an ex vivo down-regulation for the glucocorticoid receptor mRNA expression , following corticosteroid treatment .
 ( protein: glucocorticoid receptor, None) , ( RNA: mRNA, 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: glucocorticoid receptor, None) , ( RNA: mRNA, None) 