We also compared six inflammatory indicators: MCP-1, IL-6, TNF-α, CXCL-1, Resistin, and hs-CRP were higher in T2DM patients than in the healthy population, but the concentrations of all six inflammatory factors were lower in normal-weight T2DM patients than in obese T2DM patients. The gene discussed is RETN; the disease is type 2 diabetes mellitus.