High-density lipoproteins: marker of cardiovascular risk and therapeutic target

Area of Science:

• Cardiovascular Science
• Lipid Metabolism
• Atherosclerosis Research

Background:

• High-density lipoproteins (HDL) are crucial for cardiovascular health, with high HDL cholesterol (HDL-C) levels predicting reduced risk of atherosclerosis and related events.
• HDL's protective effects are linked to reverse cholesterol transport and other vasculoprotective functions, including antioxidant and anti-inflammatory properties.

Purpose of the Study:

• To explore the multifaceted roles of HDL in cardiovascular protection.
• To investigate the mechanisms behind HDL's antiatherogenic properties.
• To highlight the challenge of HDL dysfunction and the development of novel therapeutic strategies.

Main Methods:

• Review of existing literature on HDL structure, function, and metabolism.
• Analysis of the molecular mechanisms underlying HDL's vasculoprotective effects.
• Examination of current drug development targeting HDL function.

Main Results:

• HDL-C levels are a significant predictor of cardiovascular event risk.
• HDL possesses diverse atheroprotective functions beyond cholesterol transport, including antioxidant, anti-inflammatory, and endothelial-protective effects.
• HDL can exhibit dysfunctional, pro-inflammatory phenotypes, particularly in patients with coronary artery disease.

Conclusions:

• Elevated HDL-C is associated with reduced cardiovascular risk, primarily through reverse cholesterol transport and other beneficial functions.
• HDL dysfunction represents a critical challenge in atherosclerosis, necessitating therapeutic interventions.
• Development of drugs targeting HDL aims to increase functional, antiatherogenic HDL species to combat atherosclerotic disease.