8601
Delta-opioid receptors expressed by Jurkat T cells enhance IL-2 secretion by increasing AP-1 complexes and activity of the NF-AT/AP-1-binding promoter element .
 ( protein: AP-1 complexes, None) , ( cell line: Jurkat T cells, None) , ( protein: IL-2, None) , ( DNA: NF-AT/AP-1-binding promoter element, 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: AP-1 complexes, None) , ( cell line: Jurkat T cells, None) , ( protein: IL-2, None) , ( DNA: NF-AT/AP-1-binding promoter element, None) 