The DOI matches its Crossref record; 142 of the 142 references it cites were found in a registry or an index.
Cytochrome P450 and Vascular Homeostasis
Abstract
Since the initial reports that renal cytochrome P450 (CYP) enzymes can metabolize arachidonic acid to substances which affect arterial tone, it has become increasingly clear that CYP enzymes expressed within the cardiovascular system play a crucial role in the modulation of vascular homeostasis. There is strong evidence suggesting that the activation of a CYP epoxygenase in endothelial cells is an essential step in nitric oxide and prostacyclin-independent vasodilatation of several vascular beds, particularly in the heart and kidney. A smooth muscle CYP ω-hydroxylase, on the other hand, generates a vasoconstrictor eicosanoid that is central to the myogenic response. Moreover, CYP epoxygenase and ω-hydroxylase products, as well as CYP-derived reactive oxygen species, are intracellular signal transduction molecules involved in several signaling cascades affecting numerous cellular processes, including vascular cell proliferation and angiogenesis. This review summarizes the vascular effects of epoxyeicosatrienoic acids and 20-hydroxyeicosatetraenoic acid, both of which are CYP-derived metabolites of arachidonic acid, endogenously generated within endothelial and vascular smooth muscle cells. Although the link between CYP expression/activity and cardiovascular disease is currently tentative, the evidence being accumulated to suggest that CYP pathways are altered in animal models of hypertension and atherosclerosis can no longer be ignored. The development of selective pharmacological tools is, however, a prerequisite for the analysis of the involvement of specific CYP isoforms in the regulation of vascular homeostasis in human subjects.
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“The presence of these proteins in endothelial cells makes them a significant source of superoxide in the vasculature (295, 298).”
From Sources of Vascular Nitric Oxide and Reactive Oxygen Species and Their Regulation (2019) · cites this paper as [295]
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Metadata
- Authors
- Fleming, I.
- Affiliations
- Goethe University Frankfurt (DE)
- Corresponding author
- Fleming, Ingrid
- ORCID
- Fleming, Ingrid
- Venue
- Circulation Research
- Published
- 2001-10-26
- Volume
- 89
- Issue
- 9
- Pages
- 753-762
- ISSN
- 0009-7330 (ISSN-L)
- 1524-4571
- OpenAlex
- W2168349092
- Cited by
- 383
- References
- 142
- Citations by year
- 2026: 4 · 2025: 6 · 2024: 3 · 2023: 5 · 2022: 5 · 2021: 5 · 2020: 8 · 2019: 13 · 2018: 11 · 2017: 15 · 2016: 11 · 2015: 11 · 2014: 21 · 2013: 8 · 2012: 13
- FWCI
- 2.56
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Circulation Research (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Deutsche Forschungsgemeinschaft (SFB 553)
- Servier
- Institut de Recherches Servier
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Eicosanoids and Hypertension Pharmacology
- Health Sciences › Medicine › Pharmacology (medical) › Inflammatory mediators and NSAID effects
- Health Sciences › Medicine › Physiology (medical) › Nitric Oxide and Endothelin Effects
- Keywords
- cytochrome P450, vascular homeostasis, arachidonic acid metabolism, epoxyeicosatrienoic acids, 20-hydroxyeicosatetraenoic acid, endothelial cells, vascular smooth muscle cells, vasodilation, vasoconstriction, myogenic response, reactive oxygen species, signal transduction, angiogenesis, hypertension, atherosclerosis, cardiovascular disease
- MeSH terms
- Animals, Biological Factors, Cardiovascular System, Cytochrome P-450 Enzyme System, Endothelium, Vascular, Epoxy Compounds, Free Radicals, Homeostasis, Humans, Hydroxyeicosatetraenoic Acids, Mixed Function Oxygenases, Isoenzymes, Muscle, Smooth, Vascular, Vasomotor System, 8,11,14-Eicosatrienoic Acid, Arachidonic Acid, Cytochrome P-450 CYP4A
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