10256
Furthermore, prolonged degradation of IkappaB-alpha and activation of NF-kappaB were demonstrated in THP-1 cells exposed to anti- E. chaffeensis serum and E. chaffeensis .
 ( cell line: THP-1 cells, None) , ( protein: IkappaB-alpha, None) , ( protein: NF-kappaB, 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: THP-1 cells, None) , ( protein: IkappaB-alpha, None) , ( protein: NF-kappaB, None) 