2769
We have observed that the R24 mAb stimulates GD3 + T cell proliferation , cytotoxicity, and surface marker expression of IL-2R alpha-chain , IL-2R beta-chain , HLA-DR , CD11a , and CD11c .
 ( protein: CD11c, None) , ( protein: HLA-DR, None) , ( protein: CD11a, None) , ( protein: IL-2R alpha-chain, None) , ( protein: R24, None) , ( protein: IL-2R beta-chain, None) , ( protein: R24 mAb, 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: CD11c, None) , ( protein: HLA-DR, None) , ( protein: CD11a, None) , ( protein: IL-2R alpha-chain, None) , ( protein: R24, None) , ( protein: IL-2R beta-chain, None) , ( protein: R24 mAb, None) 