5195
An element upstream from the human delta-globin-encoding gene specifically enhances beta-globin reporter gene expression in murine erythroleukemia cells .
 ( DNA: beta-globin reporter gene, None) , ( DNA: element, None) , ( cell type: murine erythroleukemia cells, None) , ( DNA: human delta-globin-encoding gene, 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: beta-globin reporter gene, None) , ( DNA: element, None) , ( cell type: murine erythroleukemia cells, None) , ( DNA: human delta-globin-encoding gene, None) 