13580
Both T cell lines could be anergized by the autopresentation of native peptide since anergy was induced in cultures lacking fresh antigen-presenting cells .
 ( cell type: antigen-presenting cells, None) , ( cell line: T cell lines, 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: antigen-presenting cells, None) , ( cell line: T cell lines, None) 