13826
The adoptive transfer of tumor-draining lymph node ( LN ) T cells activated ex vivo with anti-CD3 and interleukin 2 ( IL-2 ) mediates the regression of the poorly immunogenic murine melanoma D5 .
 ( protein: anti-CD3, None) , ( protein: interleukin 2, None) , ( cell type: 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:
 ( protein: anti-CD3, None) , ( protein: interleukin 2, None) , ( cell type: T cells, None) , ( protein: IL-2, None) 