
Keywords: تامستاتین; Diabetic nephropathy (DN); Insulin; Insulin receptor substrate 1 (IRS1); Protein kinase C (PKC); Vascular endothelial growth factor (VEGF); Src homology-2 domain containing phosphatase-1 (SHP-1); Glucagon like peptide-1 (GLP-1); Dipeptidyl peptidase-4 (DP