7219
To determine why alveolar macrophages do not express AP-1 DNA binding activity , we first showed that there was not a decrease in expression of the FOS and JUN proteins that make up the AP-1 complex.
 ( protein: AP-1, None) , ( protein: AP-1, None) , ( cell type: alveolar macrophages, 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: AP-1, None) , ( protein: AP-1, None) , ( cell type: alveolar macrophages, None) 