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Cell-free Biochemical Fluorometric Enzymatic Assay for High-throughput Measurement of Lipid Peroxidation in High Density Lipoprotein
Published on: October 12, 2017
Anti-oxidant properties of high-density lipoprotein and atherosclerosis
1Department of Molecular Cardiology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA. podreze@ccf.org
Insights
High-density lipoprotein (HDL) offers cardiovascular protection through its cholesterol transport and potent anti-inflammatory and antioxidant functions. These beneficial effects are linked to HDL
Area of Science:
- Cardiovascular Science
- Lipid Metabolism
- Immunology
Background:
- High-density lipoprotein (HDL) is a primary blood cholesterol carrier with significant cardiovascular benefits.
- HDL's key role in reverse cholesterol transport facilitates cholesterol removal from peripheral cells to the liver.
- Emerging research highlights HDL's anti-inflammatory and antioxidant properties, crucial for cardiovascular health.
Purpose of the Study:
- To review the antioxidant and anti-inflammatory functions of HDL.
- To examine the role of HDL components in these protective mechanisms.
- To explore the relationship between HDL's functions and atherosclerosis prevention.
Main Methods:
- Literature review focusing on HDL's biological activities.
- Analysis of studies investigating HDL composition and function.
- Synthesis of evidence linking HDL's properties to atheroprotection.
Main Results:
- HDL possesses significant antioxidant and anti-inflammatory activities.
- These activities are associated with protection against cardiovascular disease.
- HDL's functional capacity and atheroprotective effects are dependent on its composition and can be impaired in inflammatory conditions.
Conclusions:
- HDL's antioxidant and anti-inflammatory functions are critical for preventing atherosclerosis.
- The protein and lipid constituents of HDL determine its atheroprotective capabilities.
- Understanding HDL's functional roles is essential for developing strategies against cardiovascular disease.
Abstract:
1. High-density lipoprotein (HDL) is one of the major carriers of cholesterol in the blood. It attracts particular attention because, in contrast with other lipoproteins, many physiological functions of HDL influence the cardiovascular system in favourable ways unless HDL is modified pathologically. 2. The best known function of HDL is the capacity to promote cellular cholesterol efflux from peripheral cells and deliver cholesterol to the liver for excretion, thereby playing a key role in reverse cholesterol transport. The functions of HDL that have recently attracted attention include anti-inflammatory and anti-oxidant activities. High anti-oxidant and anti-inflammatory activities of HDL are associated with protection from cardiovascular disease. 3. Atheroprotective activities, as well as a functional deficiency of HDL, ultimately depend on the protein and lipid composition of HDL. Conversely, these activities are compromised in many pathological states associated with inflammation. 4. The focus of the present review is on the anti-oxidant and anti-inflammatory functions of HDL and its individual components in relation to protection from atherosclerosis.
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