8688
Here we describe an alternative approach, based on in vitro stimulation with epitope peptide-loaded dendritic cells ( DCs ), which allows one to probe the CTL repertoire for any individual reactivity of choice; this method proved significantly more efficient than stimulation with peptide alone.
 ( cell line: epitope peptide-loaded dendritic cells, None) , ( cell line: peptide-loaded dendritic cells, None) , ( cell line: DCs, 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 line: epitope peptide-loaded dendritic cells, None) , ( cell line: peptide-loaded dendritic cells, None) , ( cell line: DCs, None) 