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The Cardioprotective Effects of Polyunsaturated Fatty Acids Depends on the Balance Between Their Anti- and Pro-Oxidative Properties

Polyunsaturated fatty acids (PUFAs) are not only structural components of membrane phospholipids and energy storage molecules in cells. PUFAs are important factors that regulate various biological functions, including inflammation, oxidation, and immunity. Both -3 and -6 PUFAs from cell membranes ca...

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Published in:Nutrients 2024-11, Vol.16 (22), p.3937
Main Author: Sidorkiewicz, Malgorzata
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description Polyunsaturated fatty acids (PUFAs) are not only structural components of membrane phospholipids and energy storage molecules in cells. PUFAs are important factors that regulate various biological functions, including inflammation, oxidation, and immunity. Both -3 and -6 PUFAs from cell membranes can be metabolized into pro-inflammatory and anti-inflammatory metabolites that, in turn, influence cardiovascular health in humans. The role that PUFAs play in organisms depends primarily on their structure, quantity, and the availability of enzymes responsible for their metabolism. -3 PUFAs, such as eicosapentaenoic (EPA) and docosahexaenoic (DHA), are generally known for anti-inflammatory and atheroprotective properties. On the other hand, -6 FAs, such as arachidonic acid (AA), are precursors of lipid mediators that display mostly pro-inflammatory properties and may attenuate the efficacy of -3 by competition for the same enzymes. However, a completely different light on the role of PUFAs was shed due to studies on the influence of PUFAs on new-onset atrial fibrillation. This review analyzes the role of PUFAs and PUFA derivatives in health-related effects, considering both confirmed benefits and newly arising controversies.
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subjects Analysis
Animals
Anti-Inflammatory Agents - pharmacology
Antioxidants - pharmacology
Arachidonic acid
Arachidonic Acid - metabolism
Atherosclerosis
Atrial fibrillation
Carbon
Cardiotonic Agents - pharmacology
Cardiovascular Diseases - prevention & control
Diet
Dietary supplements
Enzymes
Fatty acids
Fatty Acids, Omega-3 - pharmacology
Fatty Acids, Omega-6 - pharmacology
Fatty Acids, Unsaturated - pharmacology
Health aspects
Human body
Humans
Inflammation
Inflammation - metabolism
Inflammation - prevention & control
Lipids
Membranes
Metabolism
Metabolites
Nervous system
Oxidation-Reduction - drug effects
Oxidative Stress - drug effects
Physiological aspects
Polyunsaturated fatty acids
Review
Type 2 diabetes
Unsaturated fatty acids
title The Cardioprotective Effects of Polyunsaturated Fatty Acids Depends on the Balance Between Their Anti- and Pro-Oxidative Properties
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