Role of high-density lipoproteins in cardioprotection and in reverse remodeling: Therapeutic implications

Area of Science:

• Cardiology
• Biochemistry
• Molecular Medicine

Background:

• Cardioprotection involves mechanisms preserving heart function by minimizing myocardial damage.
• High-density lipoproteins (HDLs) are key players in maintaining cardiac structure and function.
• HDLs exert protective effects on cardiomyocytes and other myocardial cells.

Purpose of the Study:

• To evaluate the cardioprotective potential of High-density lipoproteins (HDLs).
• To assess the efficacy of HDL-targeted therapies in preventing and treating cardiac conditions.
• To explore the role of HDLs in reversing adverse cardiac remodeling.

Main Methods:

• Review of animal intervention studies using HDL-targeted therapies.
• Analysis of HDL effects on ischemia-reperfusion injury and myocardial infarction.
• Investigation of HDL impact on pathological hypertrophy, cardiac remodeling, and heart failure in preclinical models.

Main Results:

• HDL-targeted therapies consistently reduce myocardial infarction size and infarct expansion post-injury in animal models.
• HDLs prevent pathological hypertrophy and adverse remodeling associated with diabetes and pressure overload.
• HDLs promote reverse remodeling, reducing cardiac hypertrophy, fibrosis, and capillary rarefaction, while restoring function.
• HDL interventions demonstrate effectiveness in treating heart failure in animal models.

Conclusions:

• Animal studies provide strong evidence for HDL's cardioprotective effects against ischemia-reperfusion injury and heart failure.
• HDL-targeted interventions show significant potential for clinical translation in preventing cardiomyopathy and treating heart failure.
• While direct coronary artery protection by HDLs remains unproven, their role in myocardial preservation is well-supported.