12029
IL-2 promoter activation in Jurkat T cells stimulated with superantigen presented by Raji B cells requires CD28 activation .
 ( DNA: IL-2 promoter, None) , ( protein: CD28, None) , ( cell line: Raji B cells, None) , ( cell line: Jurkat T cells, None) , ( protein: IL-2, 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: IL-2 promoter, None) , ( protein: CD28, None) , ( cell line: Raji B cells, None) , ( cell line: Jurkat T cells, None) , ( protein: IL-2, None) 