10687
To determine and compare protein/DNA interactions at the native IFN-gamma locus in T cells , we analyzed the human IFN-gamma promoter by ligation-mediated polymerase chain reaction (LM-PCR) techniques .
 ( protein: IFN-gamma, None) , ( protein: IFN-gamma, None) , ( cell type: T cells, None) , ( DNA: human IFN-gamma promoter, 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) , ( protein: IFN-gamma, None) , ( cell type: T cells, None) , ( DNA: human IFN-gamma promoter, None) 