APOB and hyperlipidemia: Patients with type 1 diabetes present lipid disorders or hyperlipidemia, including elevated levels of total serum cholesterol (TC), triglycerides (TG) [3], low-density lipoprotein (LDL-c), apolipoprotein A (ApoA), apolipoprotein B (ApoB) [4], malondialdehyde (MDA) [4, 5], very low-density lipoprotein (VLDL), and low level of high density lipoprotein (HDL-c) [6].