983
The transcripts were detected in all the CD4- CD8- , CD4+ CD8+ , CD4+ CD8- , and CD4- CD8+ cell populations .
 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:
 None