TNF and diabetes mellitus: TNFα (p < 0.001), IL-6 (p < 0.001), IFN-β (p < 0.001) and RANTES (p < 0.001) mRNA expression levels remained significant among different groups following multifactorial ANOVA after adjustment for age, sex, WHR, BMI, duration of diabetes, creatinine and medications (insulin, sulfonylurea, metformin, GLP-1 analogues, DPP IV inhibitors, aspirin and statins).