7526
However, to generate and maintain immunological memory , some antigen-specific T cells must survive and revert to a resting G0/G1 state .
 ( cell type: antigen-specific T cells, 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-specific T cells, None) 