13274
These studies indicate that iNO attenuates iNOS expression in macrophages and inhibits monocyte adhesion to endothelial cells , and suggest that endogenously derived iNO may be an important autoregulatory inhibitor of vascular inflammation
 ( cell type: endothelial cells, None) , ( cell type: macrophages, None) , ( protein: iNOS, 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: endothelial cells, None) , ( cell type: macrophages, None) , ( protein: iNOS, None) 