There was a significant increase in serum IL-8 (p<0.0001; U = 322), eotaxin (p = 0.0330; U = 648.5), MIP-1α (p = 0.0011; U = 541), and MIP-1β (p = 0.0380; U = 655.5) levels in T2DM patients compared to those in the control group. Here, CCL4 is linked to type 2 diabetes mellitus.