5545
In this study, the effects of flavonoids on NFkappaB /inhibitor-kappaB ( IkappaB ) system in ECV304 cells activated with tumor necrosis factor-alpha ( TNFalpha ) were examined.
 ( cell line: ECV304 cells, None) , ( protein: NFkappaB, None) , ( protein: IkappaB, None) , ( protein: TNFalpha, None) , ( protein: tumor necrosis factor-alpha, 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 line: ECV304 cells, None) , ( protein: NFkappaB, None) , ( protein: IkappaB, None) , ( protein: TNFalpha, None) , ( protein: tumor necrosis factor-alpha, None) 