Although polyclonal activation of B cells in vitro invariably decreased BCL-6 MRNA expression , activated B cells from human germinal centers expressed BCL-6 mRNA at levels comparable to the levels in resting B cells .
although polyclonal activation of b cells in vitro invariably decreased bcl-6 mrna expression , activated b cells from human germinal centers expressed bcl-6 mrna at levels comparable to the levels in resting b cells .
O B-other_name I-other_name O B-cell_type I-cell_type O O O O B-protein_molecule O O O B-cell_type I-cell_type I-cell_type O O O O O O O O O O O O O O O O O O