4814
Following PHA stimulation of PBL , the increase in AP-1 activity was delayed with respect to the augmentation of p39c-jun expression .
 ( protein: p39c-jun, None) , ( cell type: PBL, None) , ( protein: AP-1, None) , ( protein: PHA, 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:
 ( protein: p39c-jun, None) , ( cell type: PBL, None) , ( protein: AP-1, None) , ( protein: PHA, None) 