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Oxidized High-Density Lipoprotein (OxHDL): From Molecular Modifications to Pathophysiological Implications in Cardiovascular Disease

Endocrinology Diagnostics

Key Summary of Oxidized High-Density Lipoprotein (OxHDL):

Molecular Structure

  • Formed through oxidative modifications
  • Targets apolipoprotein A-I
  • Involves lipid peroxidation

Oxidation Mechanisms

  • Triggered by myeloperoxidase system
  • Influenced by metal ions
  • Accelerated by environmental factors

Functional Consequences

  • Reduces cholesterol efflux capacity
  • Impairs anti-inflammatory properties
  • Compromises antioxidant capabilities

Cardiovascular Impact

  • Linked to atherosclerosis progression
  • Encourages plaque formation
  • Affects platelet function and blood clotting

Clinical Significance

  • Potential cardiovascular disease risk indicator
  • Emerging therapeutic approaches include:
    • Preventing HDL oxidation
    • Developing oxidation-resistant HDL
    • Neutralizing oxidized components
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