3224
Therefore, we investigated in situ the nuclear localization of Rel/ NF-kappa B proteins in accessory cells of the immune system by immunohistochemistry and double labeling by immunofluorescence from five normal human tonsils and five lymph nodes with follicular hyperplasia .
 ( protein: NF-kappa B, None) , ( cell type: accessory cells, None) , ( protein: Rel/ NF-kappa B proteins, 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) , ( cell type: accessory cells, None) , ( protein: Rel/ NF-kappa B proteins, None) 