In the absence of tetracyclines , the transfected T cells were shown to express the chimeric receptor on the cell surface and could be activated by its cognate Ag , leading to the secretion of IL-2 .
in the absence of tetracyclines , the transfected t cells were shown to express the chimeric receptor on the cell surface and could be activated by its cognate ag , leading to the secretion of il-2 .
O O O O B-other_organic_compound O O O B-cell_type I-cell_type O O O O O B-protein_family_or_group I-protein_family_or_group O O B-cell_component I-cell_component O O O O O O B-protein_family_or_group I-protein_family_or_group O O O O O O B-protein_molecule O