Abstract

Lipoprotein kinetic abnormalities in patients with Type 2 diabetes, are the basis of diabetic dyslipidemia, which is likely to play an important role in the development of atherogenesis. In Type 2 diabetes, all lipoproteins (VLDL, IDL, LDL and HDL) demonstrate significant kinetic abnormalities. Hypertriglyceridemia is due mainly to increased production of VLDL (mostly large VLDL1 particles, potentially atherogenic) and, to a lesser extent, to reduced catabolism of VLDL and IDL. Low HDL-C is the result of increased catabolism of HDL. Although plasma LDL-C level is usually normal in patients with Type 2 diabetes, LDL turnover is significantly reduced and, as a consequence, LDL plasma residence time is increased, which is potentially harmful. The pathophysiology of lipid kinetic abnormalities in Type 2 diabetes has not yet been completely explained. However, insulin resistance and the ‘relative’ insulin deficiency observed in patients with Type 2 diabetes, are likely to play a key role in lipid kinetic abnor...

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