6299
Analysis of MSR promoter activity in THP-1 cells transfected with an MSR promoter-reporter gene construct demonstrated decreased activity of the MSR promoter in IL-6 -treated THP-1 macrophages .
 ( DNA: MSR promoter, None) , ( cell line: THP-1, None) , ( protein: IL-6, None) , ( cell line: THP-1 cells, None) , ( protein: MSR, None) , ( protein: MSR, None) , ( cell type: macrophages, None) , ( DNA: MSR promoter-reporter gene construct, None) , ( DNA: MSR promoter, None) , ( cell line: THP-1, None) , ( protein: MSR, 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:
 ( DNA: MSR promoter, None) , ( cell line: THP-1, None) , ( protein: IL-6, None) , ( cell line: THP-1 cells, None) , ( protein: MSR, None) , ( protein: MSR, None) , ( cell type: macrophages, None) , ( DNA: MSR promoter-reporter gene construct, None) , ( DNA: MSR promoter, None) , ( cell line: THP-1, None) , ( protein: MSR, None) 