2225
After exposure to 137Cs gamma rays at a dose rate of 1.17 Gy/min , a maximum in expression of NF-kappa B was seen at 8 h after a 0.5-Gy exposure .
 ( 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:
 ( protein: NF-kappa B, None) 