Plasma Lf levels (527 ± 203 ng/mL) of subjects with T2D were relatively similar to those of subjects in the first (493 ± 178 ng/mL) and the second (568 ± 256 ng/mL) tertiles but tended to be lower than those of the third tertile (679 ± 237 ng/mL) of non-diabetic subjects. The gene discussed is LTF; the disease is type 2 diabetes mellitus.