8686
The conventional means of studying Epstein-Barr virus (EBV)-induced cytotoxic T-lymphocyte (CTL) memory , by in vitro stimulation with the latently infected autologous lymphoblastoid cell line ( LCL ), has important limitations.
 ( cell line: lymphoblastoid cell line, None) , ( cell line: LCL, None) , ( cell type: cytotoxic T-lymphocyte, 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: lymphoblastoid cell line, None) , ( cell line: LCL, None) , ( cell type: cytotoxic T-lymphocyte, None) 