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Glycosylation of HDL-Associated Proteins and Its Implications in Cardiovascular Disease Diagnosis, Metabolism and
Eduardo Z Romo1, Angela M Zivkovic1
1Department of Nutrition, University of California, Davis, Davis, CA, United States.
Insights
Glycosylation of high-density lipoprotein (HDL) particles is emerging as crucial for cardiovascular disease (CVD) prevention. Studying HDL glycosylation may reveal new diagnostic biomarkers and therapeutic targets for CVD.
Area of Science:
- Biochemistry
- Cardiovascular Research
- Glycobiology
Background:
- High-density lipoprotein (HDL) is vital in preventing cardiovascular disease (CVD).
- HDL particles are increasingly recognized to carry diverse glycosylated proteins.
- The role of this glycosylation in HDL structure, function, and metabolism is under investigation.
Purpose of the Study:
- To review the current evidence on HDL-associated protein glycosylation.
- To explore the potential of HDL glycosylation profiling for CVD diagnostics.
- To discuss how glycosylation impacts HDL function and potential therapeutic strategies.
Main Methods:
- Literature review of studies on HDL glycosylation and CVD.
- Analysis of existing data on differential glycosylation in pathological states.
- Synthesis of information on glycosylation pathways and their relevance to HDL.
Main Results:
- Early studies indicate differential glycosylation of HDL proteins in various diseases.
- Preliminary evidence suggests a link between HDL glycosylation profiles and cardiovascular outcomes.
- Glycosylation significantly influences HDL structure, function, and metabolism.
Conclusions:
- HDL glycosylation is a promising area for uncovering novel CVD mechanisms and biomarkers.
- HDL glycosylation profiling holds potential for diagnostic development in CVD.
- Modifying HDL glycosylation may offer future therapeutic benefits for cardiovascular health.
Abstract:
High-density lipoprotein (HDL) particles, long known for their critical role in the prevention of cardiovascular disease (CVD), were recently identified to carry a wide array of glycosylated proteins, and the importance of this glycosylation in the structure, function and metabolism of HDL are starting to emerge. Early studies have demonstrated differential glycosylation of HDL-associated proteins in various pathological states, which may be key to understanding their etiological role in these diseases and may be important for diagnostic development. Given the vast array and specificity of glycosylation pathways, the study of HDL-associated glycosylation has the potential to uncover novel mechanisms and biomarkers of CVD. To date, no large studies examining the relationships between HDL glycosylation profiles and cardiovascular outcomes have been performed. However, small pilot studies provide promising preliminary evidence that such a relationship may exist. In this review article we discuss the current state of the evidence on the glycosylation of HDL-associated proteins, the potential for HDL glycosylation profiling in CVD diagnostics, how glycosylation affects HDL function, and the potential for modifying the glycosylation of HDL-associated proteins to confer therapeutic value.
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