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Updated: May 30, 2026
13:05
Enzymatic Synthesis of Epoxidized Metabolites of Docosahexaenoic, Eicosapentaenoic, and Arachidonic Acids
Published on: June 28, 2019
Cytochrome P450-dependent eicosanoid production and crosstalk
1Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe University, Frankfurt, Germany. fleming@em.uni-frankfurt.de
Current Opinion in Lipidology
|August 10, 2011
Summary
Soluble epoxide hydrolase (sEH) inhibitors show promise for treating hypertension and inflammation by modulating lipid signaling. Targeting the cytochrome P450/sEH axis offers therapeutic potential in vascular disease.
Area of Science:
- Biochemistry
- Vascular Biology
- Lipid Metabolism
Background:
- Eicosanoids, particularly fatty acid epoxides and diols derived from arachidonic acid, are crucial lipid signaling molecules.
- These molecules play significant roles in vascular smooth muscle function, including hyperpolarization and relaxation.
- The cytochrome P450 (CYP) epoxygenase and soluble epoxide hydrolase (sEH) enzymes form a critical axis in eicosanoid metabolism.
Purpose of the Study:
- To review recent advancements in eicosanoid biology, focusing on the CYP/sEH axis.
- To highlight the role of this axis in vascular biology and disease.
- To discuss the therapeutic potential of targeting the CYP/sEH pathway.
Main Methods:
- Review of current literature on eicosanoid metabolism and the CYP/sEH axis.
- Analysis of studies involving genetic manipulation (sEH-/- mice) and pharmacological inhibition of sEH.
- Examination of the impact of targeting the CYP/sEH axis on hypertension, adipocyte metabolism, and insulin resistance.
Main Results:
- Fatty acid epoxides and diols are confirmed as important lipid mediators.
- Directly targeting CYP epoxygenases is challenging due to their involvement in drug metabolism.
- Inhibition of sEH effectively modulates lipid mediator levels in vivo, offering a viable therapeutic strategy.
- sEH-/- mice exhibit protection against hypertension and altered metabolic profiles, effects mimicked by sEH inhibitors.
Conclusions:
- Elevated epoxide levels correlate with reduced blood pressure and inflammation in animal models.
- Soluble epoxide hydrolase inhibitors are under development for treating human hypertension and inflammatory conditions like atherosclerosis.
- Further research is needed to fully understand both the beneficial and potentially adverse effects of modulating the CYP/sEH axis.
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