The ability of T cells to produce interleukin-2 ( IL-2 ) is a critical control point in T lymphocyte activation .
the ability of t cells to produce interleukin-2 ( il-2 ) is a critical control point in t lymphocyte activation .
O O O B-cell_type I-cell_type O O B-protein_molecule O B-protein_molecule O O O O O O O B-other_name I-other_name I-other_name O