11240
The activation of transcriptional factor c-Fos/c-Jun AP-1 is essential for normal T cell responsiveness and is often impaired in T cells during aging .
 ( cell type: T cells, None) , ( cell type: T cell, None) , ( protein: transcriptional factor, None) , ( protein: AP-1, 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: T cell, None) , ( protein: transcriptional factor, None) , ( protein: AP-1, None) 