Understanding high-density lipoprotein function in disease: recent advances in proteomics unravel the complexity of...

Area of Science:

• Biochemistry
• Cardiovascular Research
• Proteomics

Background:

• Epidemiology links HDL cholesterol and cardiovascular risk, but drug interventions targeting HDL-cholesterol haven't improved outcomes.
• HDL particles are protein-rich, with recent advances revealing a complex proteome beyond lipid transport.
• The proteomic complexity of HDL is increasingly recognized, with proteins involved in iron transport, immunity, and acute phase response identified.

Purpose of the Study:

• To review recent advances in HDL proteomics and lipidomics.
• To explore the potential of HDL proteomics for biomarker discovery.
• To understand HDL function in health and disease through proteomic and lipidomic insights.

Main Methods:

• Review of recent scientific literature on HDL proteomics and lipidomics.
• Analysis of proteomic data identifying proteins associated with HDL particles.
• Monitoring of HDL proteome changes in various disease states.

Main Results:

• Proteomics has significantly expanded the understanding of proteins carried by HDL particles.
• HDL particles contain proteins involved in lipid transport, iron transport, complement pathways, immune function, and acute phase response.
• Dynamic changes in HDL subgroups are being discovered, highlighting their complexity.

Conclusions:

• HDL proteomics offers a promising avenue for discovering novel biomarkers for disease diagnosis.
• HDL proteomic analysis can help measure the effectiveness of current and future therapeutic strategies.
• Understanding HDL's complex proteome is crucial for deciphering its role in health and disease.