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Sialic acid in cardiovascular diseases.
P K Nigam1, V S Narain, Ajay Kumar
1Department of Cardiology, King George's Medical University, 226 003 Lucknow.
Indian Journal of Clinical Biochemistry : IJCB
|October 30, 2012
Summary
Serum sialic acid levels may indicate cardiovascular disease risk. Elevated levels are often linked to coronary heart disease and atherosclerosis severity, though more research is needed to confirm its role as a cardiovascular marker.
Area of Science:
- Biochemistry
- Cardiovascular Science
- Biomarkers
Background:
- Sialic acids are terminal sugars on glycoproteins and glycolipids, regulating biological processes.
- Serum sialic acid is implicated in predicting coronary heart disease and stroke mortality.
- Elevated serum sialic acid is frequently observed in coronary heart disease patients.
Purpose of the Study:
- To investigate the role of serum sialic acid as a potential biomarker for cardiovascular disease.
- To explore the correlation between serum sialic acid levels and the severity of atherosclerotic lesions.
- To examine racial differences in serum sialic acid and their relation to atherosclerosis prevalence.
Main Methods:
- Review of existing studies on serum sialic acid and cardiovascular outcomes.
- Analysis of correlations between serum sialic acid concentrations and coronary lesion severity.
- Investigation of potential roles of reduced sialic acid content in platelets, erythrocytes, and lipoproteins in atherosclerosis.
Main Results:
- Serum sialic acid levels generally predict coronary heart disease and stroke mortality.
- A positive correlation is often observed between elevated serum sialic acid and coronary lesion severity.
- Contradictory reports and racial variations in serum sialic acid levels exist, impacting atherosclerosis prevalence.
Conclusions:
- Serum sialic acid shows potential as a cardiovascular risk marker, but further research is required.
- Understanding the mechanisms behind altered sialic acid concentrations could enhance its clinical utility.
- Additional studies are necessary to definitively establish sialic acid as a validated cardiovascular risk factor.
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