3361
The aim of this study was to determine whether NF-kappa B is related to a particular cell type and/or differentiation step during immunopoiesis .
 ( 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) 