6338
In this study, we have investigated the effects of selenium , an integral component of glutathione peroxidase ( GPX ), on NF-kappa B activation .
 ( protein: NF-kappa B, None) , ( protein: glutathione peroxidase, None) , ( protein: GPX, 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: NF-kappa B, None) , ( protein: glutathione peroxidase, None) , ( protein: GPX, None) 