Moreover , transient transfection of the porcine B-cell line L23 showed up to 90% suppression of constitutive SLA-DR and SLA-DQ antigen expression in 5-8 days .
moreover , transient transfection of the porcine b-cell line l23 showed up to 90% suppression of constitutive sla-dr and sla-dq antigen expression in 5-8 days .
O O O O O O B-cell_line I-cell_line I-cell_line I-cell_line O O O O O O O O O O O O O O O O