9711
In the present report, we studied the role of the stromal-derived cytokine interleukin-7 ( IL-7 ) in the IL-2-gene regulation in activated T lymphocytes .
 ( protein: stromal-derived cytokine, None) , ( protein: interleukin-7, None) , ( protein: IL-7, None) , ( protein: stromal-derived cytokine interleukin-7, None) , ( DNA: IL-2-gene, None) , ( cell type: activated T lymphocytes, 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: stromal-derived cytokine, None) , ( protein: interleukin-7, None) , ( protein: IL-7, None) , ( protein: stromal-derived cytokine interleukin-7, None) , ( DNA: IL-2-gene, None) , ( cell type: activated T lymphocytes, None) 