11001
For purposes of comparison, microglia were also stimulated with bacterial LPS , a known NF-kappa B inducer .
 ( cell type: microglia, 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: microglia, None) , ( protein: NF-kappa B, None) 