3359
Visualization of the endogenous NF-kappa B p50 subunit in the nucleus of follicular dendritic cells in germinal centers .
 ( protein: endogenous NF-kappa B p50 subunit, None) , ( cell type: follicular dendritic cells, None) , ( 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: endogenous NF-kappa B p50 subunit, None) , ( cell type: follicular dendritic cells, None) , ( protein: NF-kappa B, None) 