Abstract
The Cytochrome P450 4 (CYP4) family of enzymes in humans is comprised of thirteen isozymes that typically catalyze the ω-oxidation of endogenous fatty acids and eicosanoids. Several CYP4 enzymes can biosynthesize 20- hydroxyeicosatetraenoic acid, or 20-HETE, an important signaling eicosanoid involved in regulation of vascular tone and kidney reabsorption. Additionally, accumulation of certain fatty acids is a hallmark of the rare genetic disorders, Refsum disease and X-ALD. Therefore, modulation of CYP4 enzyme activity, either by inhibition or induction, is a potential strategy for drug discovery. Here we review the substrate specificities, sites of expression, genetic regulation, and inhibition by exogenous chemicals of the human CYP4 enzymes, and discuss the targeting of CYP4 enzymes in the development of new treatments for hypertension, stroke, certain cancers and the fatty acid-linked orphan diseases.
Keywords: 20-HETE, CYP4, HET0016, hypertension, stroke, cancer, Refsum disease, X-ALD.
Current Topics in Medicinal Chemistry
Title:CYP4 Enzymes As Potential Drug Targets: Focus on Enzyme Multiplicity, Inducers and Inhibitors, and Therapeutic Modulation of 20- Hydroxyeicosatetraenoic Acid (20-HETE) Synthase and Fatty Acid ω- Hydroxylase Activities
Volume: 13 Issue: 12
Author(s): Katheryne Z. Edson and Allan E. Rettie
Affiliation:
Keywords: 20-HETE, CYP4, HET0016, hypertension, stroke, cancer, Refsum disease, X-ALD.
Abstract: The Cytochrome P450 4 (CYP4) family of enzymes in humans is comprised of thirteen isozymes that typically catalyze the ω-oxidation of endogenous fatty acids and eicosanoids. Several CYP4 enzymes can biosynthesize 20- hydroxyeicosatetraenoic acid, or 20-HETE, an important signaling eicosanoid involved in regulation of vascular tone and kidney reabsorption. Additionally, accumulation of certain fatty acids is a hallmark of the rare genetic disorders, Refsum disease and X-ALD. Therefore, modulation of CYP4 enzyme activity, either by inhibition or induction, is a potential strategy for drug discovery. Here we review the substrate specificities, sites of expression, genetic regulation, and inhibition by exogenous chemicals of the human CYP4 enzymes, and discuss the targeting of CYP4 enzymes in the development of new treatments for hypertension, stroke, certain cancers and the fatty acid-linked orphan diseases.
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Cite this article as:
Edson Z. Katheryne and Rettie E. Allan, CYP4 Enzymes As Potential Drug Targets: Focus on Enzyme Multiplicity, Inducers and Inhibitors, and Therapeutic Modulation of 20- Hydroxyeicosatetraenoic Acid (20-HETE) Synthase and Fatty Acid ω- Hydroxylase Activities, Current Topics in Medicinal Chemistry 2013; 13(12) . https://dx.doi.org/10.2174/15680266113139990110
DOI https://dx.doi.org/10.2174/15680266113139990110 |
Print ISSN 1568-0266 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4294 |

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