Visualization of the endogenous NF-kappa B p50 subunit in the nucleus of follicular dendritic cells in germinal centers .
visualization of the endogenous nf-kappa b p50 subunit in the nucleus of follicular dendritic cells in germinal centers .
O O O B-protein_subunit B-protein_complex I-protein_complex O O O O B-cell_component O B-cell_type I-cell_type I-cell_type O B-tissue I-tissue O