Only 100 ng/mL of IL-15 promoted cellular proliferation in T2DM (p ═ 0.021, Figure 3A) and CHB patients (p ═ 0.007, Figure 3A), while 10 ng/mL of IL-15 did not affect cell number in either group (p > 0.05, Figure 3A). This evidence concerns the gene IL15 and type 2 diabetes mellitus.