1515
Analysis of primary cells revealed substantial constitutive NF-kappa B -binding activity in blood monocytes , pleural macrophages and alveolar macrophages .
 ( cell type: monocytes, None) , ( protein: NF-kappa B, None) , ( cell type: alveolar macrophages, None) , ( cell type: blood monocytes, None) , ( cell type: pleural 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:
 ( cell type: monocytes, None) , ( protein: NF-kappa B, None) , ( cell type: alveolar macrophages, None) , ( cell type: blood monocytes, None) , ( cell type: pleural macrophages, None) 