413
These results indicate that endothelial activation requires continuous presence of LPS , and rBPI21 acts to reverse LPS -mediated endothelial activation by interrupting the on-going LPS signal .
 ( protein: rBPI21, 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: rBPI21, None) 