7222
Finally, addition of REF-1 from activated monocytes to alveolar macrophage nuclear proteins resulted in a marked increase in AP-1 DNA binding .
 ( cell type: activated monocytes, None) , ( protein: AP-1, None) , ( protein: REF-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: activated monocytes, None) , ( protein: AP-1, None) , ( protein: REF-1, None) 