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We used deletion analysis and transfection assays with reporter gene constructs to examine the transcription control elements in the 5' flanking region of the human EpoR gene .
 ( DNA: human EpoR gene, None) , ( DNA: transcription control elements, None) , ( DNA: 5#$%# flanking region, None) , ( protein: EpoR, None) , ( DNA: reporter gene constructs, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( DNA: human EpoR gene, None) , ( DNA: transcription control elements, None) , ( DNA: 5#$%# flanking region, None) , ( protein: EpoR, None) , ( DNA: reporter gene constructs, None) 