12271
Blood monocytes spontaneously activate endothelial cells in culture, leading to adhesion of monocytic cells onto the endothelial surface and overproduction of endothelial proteins such as von Willebrand factor ( vWf ) and plasminogen activator inhibitor type 1 ( PAI-1 ).
 ( protein: PAI-1, None) , ( protein: vWf, None) , ( cell type: endothelial cells, None) , ( protein: von Willebrand factor, None) , ( cell type: monocytic cells, None) , ( protein: plasminogen activator inhibitor type 1, None) , ( cell type: Blood monocytes, 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: PAI-1, None) , ( protein: vWf, None) , ( cell type: endothelial cells, None) , ( protein: von Willebrand factor, None) , ( cell type: monocytic cells, None) , ( protein: plasminogen activator inhibitor type 1, None) , ( cell type: Blood monocytes, None) 