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Atherogenic lipid profile in Behçet's disease: evidence of alteration of HDL subclasses
Meriam Messedi1, Kamel Jamoussi, Makram Frigui
1Research Unit, Molecular Bases of Human Diseases, Sfax College of Medicine, Sfax, Tunisia. meriammessedi@yahoo.fr
Insights
Behçet
Area of Science:
- Cardiovascular Research
- Inflammatory Diseases
- Lipid Metabolism
Background:
- Behçet's disease (BD) is a chronic inflammatory vasculitis.
- Accelerated atherosclerosis is a concern in BD patients.
- The link between cardiovascular risk factors and atherosclerosis in BD is debated.
Purpose of the Study:
- To assess lipid profiles in BD patients.
- To investigate low-density lipoprotein (LDL) size in BD.
- To analyze high-density lipoprotein (HDL) subpopulation distribution in BD.
Main Methods:
- Compared 36 BD patients with 36 healthy controls.
- Measured total cholesterol, triglycerides, and HDL-cholesterol.
- Assessed HDL subclasses and LDL size using electrophoresis; measured hsCRP and homocysteine.
Main Results:
- BD patients showed reduced HDL-cholesterol and HDL2, with increased HDL3.
- The LDL-C/HDL-C ratio and hsCRP levels were elevated in BD patients.
- Correlations found between lipid levels, hsCRP, triglycerides, and age.
Conclusions:
- Reduced HDL-C and HDL2, increased HDL3, and higher LDL-C/HDL-C ratio are potential cardiovascular event predictors in BD.
- These lipid alterations may signify increased cardiovascular risk in Behçet's disease.
- Further research into cardiovascular risk stratification in BD is warranted.
Background And Aims:
Behçet's disease (BD) is an inflammatory vasculitis, most common in the Mediterranean area and Asia. Evidence for accelerated atherosclerosis in BD has been observed. The relationship between cardiovascular risk factors and accelerated atherosclerosis in patients with BD is still controversial. The aim of this study was to evaluate the lipid profile and to investigate the low-density lipoprotein (LDL) size and the distribution of high-density lipoprotein (HDL) subpopulations in BD patients.
Methods:
Thirty six BD patients were compared to 36 healthy controls. Total cholesterol (TC), triglycerides (TG) and HDL-cholesterol (HDL-C) levels were measured using standard techniques. HDL subclasses and LDL-C size were estimated using polyacrylamide linear gradient gel electrophoresis. The LDL-C/HDL-C ratio was also calculated. High-sensitive C-reactive protein (hsCRP) level was measured by a turbidimetric method. Homocysteine (Hcy) level was determined using a liquid chromatography tandem mass spectrometry (LC/MS/MS).
Results:
In BD patients, HDL-C levels as well as its subfraction levels were decreased (respectively, p <10(-6) and p <10(-3)). Percentage of HDL2 subpopulation was also decreased (p=0.02). HDL3 subfraction was significantly higher (p=0.02). The LDL-C/HDL-C ratio and CRP level were increased (respectively, p=10(-4) and p=0.003). TC was correlated with CRP. HDL-C and its subfractions were correlated with CRP and TG levels. HDL subparticle percentages were also correlated with age.
Conclusions:
Our findings of a reduction of HDL-C and HDL2 subpopulation and an increase HDL3 subclass and a higher LDL-C/HDL-C ratio may be considered as important predictors of cardiovascular events in BD patients.
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