Cited by 174Fatty Acid Research and HealthEicosanoids and Hypertension PharmacologyInflammatory mediators and NSAID effects

Cytochrome P450–dependent metabolism of ω-6 and ω-3 long-chain polyunsaturated fatty acids

Arnold, Cosima, Konkel, Anne, Fischer, Robert, Schunck, Wolf-Hagen·2010·Pharmacological Reports

Abstract

Dietary fish oil omega-3 fatty acids (n-3 PUFAs), such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), protect against arrhythmia and sudden cardiac death using largely unknown mechanisms. EPA and DHA may serve as efficient alternative substrates of arachidonic acid (AA) metabolizing cytochrome P450 (CYP) enzymes. For many of the CYP isoforms, the n-3 PUFAs are the preferred substrates. Moreover, the CYP enzymes oxygenate EPA and DHA with largely different regioselectivities compared to AA. In particular, the omega-3 double bond that distinguishes EPA and DHA from AA is a preferred site of CYP-catalyzed epoxidation reactions. Given the pivotal role of CYP-dependent AA metabolites in the regulation of vascular, renal and cardiac functions, their replacement by unique sets of epoxy- and hydroxy-metabolites derived from EPA and DHA may have far-reaching physiological implications. The currently available data suggest that some of the vasculo- and cardioprotective effects attributed to dietary n-3 PUFAs may be mediated by CYP-dependent metabolites of EPA and DHA.

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  • EPA and DHA are precursors to bioactive lipid metabolites, including specialized proresolving mediators and cytochrome P450-generated monoepoxides, that could contribute to lower CHD risk.

    “Both EPA and DHA are also precursors to bioactive lipid metabolites, including specialized proresolving mediators36 and cytochrome P450–generated monoepoxides,37 that could contribute to lower CHD risk.”

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Authors
Arnold, C., Konkel, A., Fischer, R., & Schunck, W.-H.
Affiliations
Max Delbrück Center (DE)
Corresponding author
Schunck, Wolf-Hagen
Venue
Pharmacological Reports
Published
2010-05
Volume
62
Issue
3
Pages
536-547
ISSN
1734-1140 (ISSN-L)
OpenAlex
W1998719368
Cited by
174
References
111
Citations by year
2026: 2 · 2025: 10 · 2024: 6 · 2023: 13 · 2022: 9 · 2021: 8 · 2020: 10 · 2019: 10 · 2018: 12 · 2017: 13 · 2016: 10 · 2015: 11 · 2014: 19 · 2013: 12 · 2012: 15
FWCI
1.47
Type
journal article
Language
en
Open access
closed
Locations
  • Pharmacological Reports (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Nursing › Nutrition and Dietetics › Fatty Acid Research and Health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Eicosanoids and Hypertension Pharmacology
  • Health Sciences › Medicine › Pharmacology › Inflammatory mediators and NSAID effects
Keywords
cytochrome P450, omega-3 fatty acids, omega-6 fatty acids, eicosapentaenoic acid, docosahexaenoic acid, arachidonic acid metabolism, fatty acid epoxidation, regioselectivity, epoxy fatty acids, hydroxy fatty acids, fish oil, cardioprotection, vascular protection, sudden cardiac death, cardiac arrhythmias
MeSH terms
Cytochrome P-450 CYP2J2, Animals, Cardiotonic Agents, Cardiovascular Diseases, Cytochrome P-450 Enzyme System, Docosahexaenoic Acids, Epoxide Hydrolases, Humans, Hydroxyeicosatetraenoic Acids, Eicosapentaenoic Acid, Fatty Acids, Omega-3, Arachidonic Acid, Death, Sudden, Cardiac, Cytochrome P-450 CYP1A1, Cytochrome P-450 CYP2E1, Fatty Acids, Omega-6

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