Cited by 577Nitric Oxide and Endothelin EffectsAmino Acid Enzymes and MetabolismPolyamine Metabolism and Applications

ARGINASE: A CRITICAL REGULATOR OF NITRIC OXIDE SYNTHESIS AND VASCULAR FUNCTION

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Durante, William, Johnson, Fruzsina K, Johnson, Robert A·2007·Clinical and Experimental Pharmacology and Physiology

Abstract

SUMMARY: Arginase is the focal enzyme of the urea cycle hydrolysing l‐arginine to urea and l‐ornithine. Emerging studies have identified arginase in the vasculature and have implicated this enzyme in the regulation of nitric oxide (NO) synthesis and the development of vascular disease. Arginase inhibits the production of NO via several potential mechanisms, including competition with NO synthase (NOS) for the substrate l‐arginine, uncoupling of NOS resulting in the generation of the NO scavenger, superoxide and peroxynitrite, repression of the translation and stability of inducible NOS protein, inhibition of inducible NOS activity via the generation of urea and by sensitization of NOS to its endogenous inhibitor asymmetric dimethyl‐l‐arginine. Upregulation of arginase inhibits endothelial NOS‐mediated NO synthesis and may contribute to endothelial dysfunction in hypertension, ageing, ischaemia–reperfusion and diabetes. Arginase also redirects the metabolism of l‐arginine to l‐ornithine and the formation of polyamines and l‐proline, which are essential for smooth muscle cell growth and collagen synthesis. Therefore, the induction of arginase may also promote aberrant vessel wall remodelling and neointima formation. Arginase represents a promising novel therapeutic target that may reverse endothelial and smooth muscle cell dysfunction and prevent vascular disease.

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Crossref · 10.1111/j.1440-1681.2007.04638.x

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  1. Durante W, 2005, Arginase induces endothelial dysfunction and hypertension in obese Zucker rats, Diabetes, 54, A51

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Authors
Durante, W., Johnson, F. K., & Johnson, R. A.
Affiliations
  • University of Missouri (US)
  • Tulane University (US)
Corresponding author
Durante, William
Venue
Clinical and Experimental Pharmacology and Physiology
Publisher
Wiley
Published
2007-04-26
Volume
34
Issue
9
Pages
906-911
ISSN
  • 0305-1870 (ISSN-L)
  • 1440-1681
OpenAlex
W2125031388
Cited by
577
References
75
Citations by year
2026: 25 · 2025: 29 · 2024: 21 · 2023: 27 · 2022: 32 · 2021: 45 · 2020: 33 · 2019: 21 · 2018: 25 · 2017: 23 · 2016: 33 · 2015: 25 · 2014: 45 · 2013: 40 · 2012: 29
FWCI
2.88
Type
journal article
Language
en
Open access
Locations
  • Clinical and Experimental Pharmacology and Physiology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Heart, Lung, and Blood Institute (R01HL074966, R01HL076187, R01HL059976)
  • National Center for Research Resources (P20RR017659)
Topics
  • Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Amino Acid Enzymes and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Polyamine Metabolism and Applications
Keywords
arginase, nitric oxide production, nitric oxide synthase, arginine metabolism, urea cycle, endothelial dysfunction, vascular disease, asymmetric dimethylarginine, inducible nitric oxide synthase, superoxide, peroxynitrite, polyamines, proline, smooth muscle cell proliferation, neointima formation, hypertension, ischaemia-reperfusion, diabetes mellitus, aging
MeSH terms
Animals, Arginase, Arginine, Cardiovascular Diseases, Collagen, Endothelium, Vascular, Homeostasis, Humans, Muscle, Smooth, Vascular, Nitric Oxide, Urea, Reactive Oxygen Species, Cell Proliferation, Nitric Oxide Synthase Type III

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