2767
A mAb , R24 , that reacts specifically with a cell surface ganglioside ( GD3 ) has been demonstrated to stimulate proliferation of T cells derived from human peripheral blood .
 ( cell type: T cells, None) , ( protein: mAb, None) , ( protein: R24, 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:
 ( cell type: T cells, None) , ( protein: mAb, None) , ( protein: R24, None) 