Endothelial cells ( EC ) act as APC for resting PBL in vitro , and may have important roles in vivo in the pathogenesis of allograft rejection and delayed hypersensitivity .
endothelial cells ( ec ) act as apc for resting pbl in vitro , and may have important roles in vivo in the pathogenesis of allograft rejection and delayed hypersensitivity .
B-cell_type I-cell_type O B-cell_type O O O B-other_name O B-cell_type B-cell_type O O O O O O O O O O O O O O B-other_name I-other_name O B-other_name I-other_name O