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Updated: Aug 9, 2026
07:29
Cell-free Biochemical Fluorometric Enzymatic Assay for High-throughput Measurement of Lipid Peroxidation in High Density Lipoprotein
Published on: October 12, 2017
Inhibition of lipoprotein lipid oxidation
1Fuji-Gotemba Research Laboratories, Chugai Pharmaceutical Co Ltd, Shizuoka, Japan.
Handbook of Experimental Pharmacology
|April 7, 2006
Summary
Antioxidants targeting low-density lipoprotein (LDL) oxidation show promise for atherosclerosis, but clinical results are complex. Further research is needed to understand vitamin E
Area of Science:
- Biochemistry
- Cardiovascular Science
- Pharmacology
Background:
- The oxidative modification hypothesis suggests antioxidants inhibiting low-density lipoprotein (LDL) oxidation should treat atherosclerosis.
- Despite in vitro success, antioxidants, including vitamin E, have yielded disappointing results in human trials for atherosclerosis.
- The role of vitamin E in LDL oxidation and in vitro/in vivo correlations are more complex than initially understood.
Purpose of the Study:
- To review the complexities of antioxidant therapy for atherosclerosis.
- To propose a novel method for assessing lipoprotein lipid oxidizability in vitro.
- To summarize the current status of antioxidant drug development for cardiovascular disorders.
Main Methods:
- Literature review of antioxidant mechanisms and clinical trial outcomes.
- Discussion of the limitations of current in vitro models for predicting in vivo efficacy.
- Introduction of a new assay for evaluating lipoprotein lipid "oxidizability".
Main Results:
- Clinical outcomes of antioxidant supplementation for atherosclerosis have been largely disappointing.
- The relationship between in vitro LDL oxidation inhibition and in vivo effects is not straightforward.
- Oxidative events beyond extracellular LDL oxidation are critical for therapeutic considerations.
Conclusions:
- Antioxidant therapy for atherosclerosis requires a more nuanced understanding beyond simple LDL oxidation inhibition.
- A novel in vitro method for assessing lipoprotein lipid oxidizability may improve drug development.
- Further research into complex oxidative pathways is essential for developing effective cardiovascular drugs.
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