This potent interleukin 2 ( IL-2 ) -dependent activation does not require monocytes or accessory cells .
this potent interleukin 2 ( il-2 ) -dependent activation does not require monocytes or accessory cells .
O O B-protein_molecule I-protein_molecule O B-protein_molecule O O O O O O B-cell_type O B-cell_type I-cell_type O