4634
In this study, the IFN-gamma induction of MHC class II gene expression in primary cultures of thymic epithelial cells ( TEC ) was analyzed.
 ( cell line: TEC, None) , ( cell line: thymic epithelial cells, None) , ( DNA: MHC class II gene, None) , ( protein: IFN-gamma, 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:
 ( cell line: TEC, None) , ( cell line: thymic epithelial cells, None) , ( DNA: MHC class II gene, None) , ( protein: IFN-gamma, None) 