412
Two to 4 h following LPS addition to endothelial cells , when NF-kappa B was already activated, addition of rBPI21 resulted in marked reduction of NF-kappa B detectable at 4 or 6 h.
 ( cell type: endothelial cells, None) , ( protein: rBPI21, None) , ( protein: NF-kappa B, None) , ( protein: NF-kappa B, 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) , ( protein: rBPI21, None) , ( protein: NF-kappa B, None) , ( protein: NF-kappa B, None) 