Cited by 2,070Nitric Oxide and Endothelin EffectsCardiovascular Health and Disease PreventionEicosanoids and Hypertension Pharmacology

Hypertension in mice lacking the gene for endothelial nitric oxide synthase

Huang, Paul L., Huang, Zhihong, Mashimo, Hiroshi, Bloch, Kenneth D., Moskowitz, Michael A., Bevan, John A., Fishman, Mark C.·1995·Nature

Abstract

Nitric oxide (NO), a potent vasodilator produced by endothelial cells, is thought to be the endothelium-dependent relaxing factor (EDRF) which mediates vascular relaxation in response to acetylcholine, bradykinin and substance P in many vascular beds. NO has been implicated in the regulation of blood pressure and regional blood flow, and also affects vascular smooth-muscle proliferation and inhibits platelet aggregation and leukocyte adhesion. Abnormalities in endothelial production of NO occur in atherosclerosis, diabetes and hypertension. Pharmacological blockade of NO production with arginine analogues such as L-nitroarginine (L-NA) or L-N-arginine methyl ester affects multiple isoforms of nitric oxide synthase (NOS), and so cannot distinguish their physiological roles. To study the role of endothelial NOS (eNOS) in vascular function, we disrupted the gene encoding eNOS in mice. Endothelium-derived relaxing factor activity, as assayed by acetylcholine-induced relaxation, is absent, and the eNOS mutant mice are hypertensive. Thus eNOS mediates basal vasodilation. Responses to NOS blockade in the mutant mice suggest that non-endothelial isoforms of NOS may be involved in maintaining blood pressure.

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Crossref · 10.1038/377239a0

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27 of 27 references verified0 citation errors · 0 not checkable

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  • eNOS is the constitutive NOS form in endothelial cells and the main contributor to vascular NO levels in physiological conditions.

    “eNOS is the constitutive NOS form in endothelial cells (ECs), and as such, it is the main contributor to vascular NO levels in physiological conditions”

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Authors
Huang, P. L., Huang, Z., Mashimo, H., Bloch, K. D., Moskowitz, M. A., Bevan, J. A., & Fishman, M. C.
Affiliations
  • Massachusetts General Hospital (US)
  • Harvard University (US)
  • University of Vermont (US)
Venue
Nature
Published
1995-09
Volume
377
Issue
6546
Pages
239-242
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2091193879
Cited by
2,070
References
27
Citations by year
2026: 11 · 2025: 21 · 2024: 27 · 2023: 32 · 2022: 29 · 2021: 50 · 2020: 52 · 2019: 52 · 2018: 34 · 2017: 44 · 2016: 47 · 2015: 58 · 2014: 60 · 2013: 63 · 2012: 82
FWCI
43.74
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Health and Disease Prevention
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Eicosanoids and Hypertension Pharmacology
Keywords
endothelial nitric oxide synthase, eNOS knockout mice, hypertension, nitric oxide, endothelium-derived relaxing factor, acetylcholine-induced relaxation, vasodilation, blood pressure regulation, nitric oxide synthase isoforms, L-arginine analogues, vascular function
MeSH terms
Amino Acid Oxidoreductases, Animals, Aorta, Arginine, Blood Pressure, Endothelium, Vascular, Homeostasis, Hypertension, Mutation, Vasodilation, Nitric Oxide Synthase, Mice, In Vitro Techniques

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