To study the transcription factor requirement in B-cells , different U2 enhancer constructions were transfected into the lymphoid cell line , BJA-B .
to study the transcription factor requirement in b-cells , different u2 enhancer constructions were transfected into the lymphoid cell line , bja-b .
O O O B-protein_family_or_group I-protein_family_or_group O O B-cell_type O O B-DNA_molecule I-DNA_molecule I-DNA_molecule O O O O B-cell_line I-cell_line I-cell_line O B-cell_line O