The data showed a significant increase in plasma level of NGAL in people with DN (92.76 ± 7.5 mg/L, Table 1) compared to people with T2D (57.22 ± 8.7 mg/L; p = 0.002, Table 1) and non-diabetic individuals (52.47 ± 2.9 mg/L; p = 0.001, Table 1) (Fig. 1A). This evidence concerns the gene LCN2 and type 2 diabetes mellitus.