7373
However, the intensity of the complex formed appeared to increase when nuclear extracts from PMA -treated cells were used.
 ( cell line: PMA -treated 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 line: PMA -treated cells, None) 