These observations suggest that the germinal center reaction provides unique activation signals to B cells that allow for continued , high-level BCL-6 expression .
these observations suggest that the germinal center reaction provides unique activation signals to b cells that allow for continued , high-level bcl-6 expression .
O O O O O B-other_name I-other_name I-other_name O O O O O B-cell_type I-cell_type O O O O O O B-protein_molecule O O