7825
Furthermore, CD40 ligation of a HLA-A2+, MelanA/MART1+ MM cell line enhanced its susceptibility to specific lysis by a HLA-A2-restricted, MelanA/MART-1-specific CTL clone .
 ( protein: CD40, None) , ( cell line: HLA-A2+, MelanA/MART1+ MM cell line, None) , ( cell line: HLA-A2-restricted, MelanA/MART-1-specific CTL clone, 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: CD40, None) , ( cell line: HLA-A2+, MelanA/MART1+ MM cell line, None) , ( cell line: HLA-A2-restricted, MelanA/MART-1-specific CTL clone, None) 