14429
Together, these results show that NF-kappa B controls the expression of I kappa B alpha by means of an inducible autoregulatory pathway .
 ( protein: NF-kappa B, None) , ( protein: I 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) , ( protein: I kappa B, None) 