Restricted accessResearch articleFirst published online 2010-11
Rosuvastatin Treatment is Associated with a Decrease of Serum Oxidised Low-Density Lipoprotein/Beta2-Glycoprotein I Complex Concentration in Type 2 Diabetes
To evaluate the effect of rosuvastatin on oxidised low-density lipoprotein/beta2-glycoprotein I (oxLDL/β2GPI) complex concentration in type 2 diabetes mellitus.
Methods
Open label 2:1 assignment of consecutive diabetic patients into oral rosuvastatin (10 mg daily for six weeks) arm or observational arm with measurements of serum oxLDL/|β2GPI complexes, nitric oxide metabolites, asymmetric dimethyl arginine, nitrotyrosine alongside routine biochemistry at baseline and end of study in all patients.
Results
After rosuvastatin treatment the mean serum concentration of oxLDL/β2GPI decreased from 0.79±0.49 units/mL to 0.53±0.36 units/mL (p<0.001). The decrease was statistically independent from the decrements of mean cholesterol, LDL and triglyceride concentrations (p<0.001) but probably dependent on the decrement of nitrate (p<0.001).
Conclusion
In type 2 diabetes, treatment with rosuvastatin was associated with a significant reduction of serum concentrations of oxLDL/β2GPI complexes, which is in further support of the already proposed effects of the drug on the oxidative metabolism of lipids and/or LDL. The oxLDL/β2GPI complex may represent a surrogate marker of oxidative stress in type 2 diabetes.
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