13247
Although IFN-gamma alone did not induce CD23 mRNA transcription , Northern blot analysis revealed a transient up-regulation of the IL-4 -induced CD23 mRNA by IFN-gamma within 2 h of IFN-gamma treatment in these tonsillar cells .
 ( protein: IFN-gamma, None) , ( cell type: tonsillar cells, None) , ( protein: IL-4, None) , ( RNA: CD23 mRNA, None) , ( RNA: IL-4 -induced CD23 mRNA, None) , ( protein: IFN-gamma, None) , ( protein: IFN-gamma, None) , ( RNA: CD23 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: IFN-gamma, None) , ( cell type: tonsillar cells, None) , ( protein: IL-4, None) , ( RNA: CD23 mRNA, None) , ( RNA: IL-4 -induced CD23 mRNA, None) , ( protein: IFN-gamma, None) , ( protein: IFN-gamma, None) , ( RNA: CD23 mRNA, None) 