11798
Using ATL-16T cells which express IL-5 mRNA , we have identified a region, within the human IL-5 gene promoter , that regulates IL-5 gene transcription .
 ( protein: IL-5, None) , ( cell line: ATL-16T cells, None) , ( DNA: IL-5 gene, None) , ( protein: IL-5, None) , ( protein: IL-5, None) , ( DNA: human IL-5 gene promoter, None) , ( RNA: IL-5 mRNA, 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: IL-5, None) , ( cell line: ATL-16T cells, None) , ( DNA: IL-5 gene, None) , ( protein: IL-5, None) , ( protein: IL-5, None) , ( DNA: human IL-5 gene promoter, None) , ( RNA: IL-5 mRNA, None) 