14267
These are: helper-inducer (memory) T cells ( CD4+CD45R0+CD45RA-CD29highCD11a+ ), CD20+ B cells , and cytotoxic T cells ( CD8+CD56+/CD57+ ).
 ( cell type: T cells, None) , ( cell type: helper-inducer (memory) T cells, None) , ( cell type: CD4+CD45R0+CD45RA-CD29highCD11a+, None) , ( cell type: CD20+ B cells, None) , ( cell type: cytotoxic T cells, None) , ( cell type: CD8+CD56+/CD57+, 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) , ( cell type: helper-inducer (memory) T cells, None) , ( cell type: CD4+CD45R0+CD45RA-CD29highCD11a+, None) , ( cell type: CD20+ B cells, None) , ( cell type: cytotoxic T cells, None) , ( cell type: CD8+CD56+/CD57+, None) 