13460
IFN-gamma increased the surface expression of class II molecules in THP-1 cells and this was markedly reduced in cells infected with M. tuberculosis .
 ( protein: class II molecules, None) , ( protein: IFN-gamma, None) , ( cell line: THP-1 cells, 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: class II molecules, None) , ( protein: IFN-gamma, None) , ( cell line: THP-1 cells, None) 