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Lipid peroxidation generates reactive carbonyl species (RCS) and advanced lipoxidation end-products (ALEs). These are implicated in cardiovascular diseases (CVD) and offer potential therapeutic targets.

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4-Hydroxy-2-nonenalAdvanced lipoxidation end-productsCardiovascular diseasesLipoproteinLipoxidationMass spectrometry

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Area of Science:

  • Biochemistry
  • Cardiovascular Biology
  • Oxidative Stress Research

Background:

  • Lipid peroxidation is an endogenous process generating reactive carbonyl species (RCS).
  • RCS form advanced lipoxidation end-products (ALEs) by binding to macromolecules like proteins and phospholipids.
  • Lipoxidation and ALEs are increasingly recognized for their role in cardiovascular diseases (CVD), particularly atherosclerosis.

Purpose of the Study:

  • To review current knowledge on lipid sources undergoing oxidation in CVD.
  • To discuss methods for detecting and characterizing oxidative lipid products and protein adducts.
  • To explore the potential of ALEs as biomarkers and therapeutic targets in oxidative-based diseases, including CVD.

Main Methods:

  • Literature review of lipid sources, oxidative degradation pathways, and ALE formation in CVD.
  • Examination of analytical techniques for identifying and quantifying lipid oxidation products and protein adducts.
  • Analysis of proposed therapeutic strategies targeting the ALE cascade.

Main Results:

  • Oxidized lipids and ALEs are extensively characterized in atherosclerosis, contributing to endothelial dysfunction and inflammation.
  • Lipoxidation products and ALEs serve as potential biomarkers and therapeutic targets for CVD.
  • Various therapeutic strategies aim to inhibit ALE formation, catabolism, or their biological effects.

Conclusions:

  • Lipoxidation is a significant factor in the pathogenesis of cardiovascular diseases.
  • Understanding ALE formation and targets is crucial for developing novel therapeutic interventions.
  • Further research into ALE mechanisms could expand therapeutic strategies for oxidative-based diseases.