Cited by 95Pulmonary Hypertension Research and TreatmentsNitric Oxide and Endothelin EffectsVirus-based gene therapy research

Adenoviral gene transfer of endothelial nitric-oxide synthase (eNOS) partially restores normal pulmonary arterial pressure in eNOS-deficient mice

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Champion, Hunter C., Bivalacqua, Trinity J., Greenberg, Stanley S., Giles, Thomas D., Hyman, Albert L., Kadowitz, Philip J.·2002·Proceedings of the National Academy of Sciences

Abstract

It has been shown that mice deficient in the gene coding for endothelial nitric-oxide synthase (eNOS) have increased pulmonary arterial pressure and pulmonary vascular resistance. In the present study, the effect of transfer to the lung of an adenoviral vector encoding the eNOS gene (AdCMVeNOS) on pulmonary arterial pressure and pulmonary vascular resistance was investigated in eNOS-deficient mice. One day after intratracheal administration of AdCMVeNOS to eNOS(-/-) mice, there was an increase in eNOS protein, cGMP levels, and calcium-dependent conversion of l-arginine to l-citrulline in the lung. The increase in eNOS protein and activity in eNOS(-/-) mice was associated with a reduction in mean pulmonary arterial pressure and pulmonary vascular resistance when compared with values in eNOS-deficient mice treated with vehicle or a control adenoviral vector coding for beta-galactosidase, AdCMVbetagal. These data suggest that in vivo gene transfer of eNOS to the lung in eNOS(-/-) mice can increase eNOS staining, eNOS protein, calcium-dependent NOS activity, and cGMP levels and partially restore pulmonary arterial pressure and pulmonary vascular resistance to near levels measured in eNOS(+/+) mice. Thus, the major finding in this study is that in vivo gene transfer of eNOS to the lung in large part corrects a genetic deficiency resulting from eNOS deletion and may be a useful therapeutic intervention for the treatment of pulmonary hypertensive disorders in which eNOS activity is reduced.

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  1. [2]Nathan C. FASEB J. 1992;6:3051–3064. [PubMed] [Google Scholar]

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Authors
Champion, H. C., Bivalacqua, T. J., Greenberg, S. S., Giles, T. D., Hyman, A. L., & Kadowitz, P. J.
Affiliations
Tulane University (US)
Venue
Proceedings of the National Academy of Sciences
Published
2002-09-17
Volume
99
Issue
20
Pages
13248-13253
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W1982535785
Cited by
95
References
27
Citations by year
2025: 4 · 2023: 2 · 2022: 3 · 2021: 2 · 2020: 1 · 2018: 1 · 2017: 2 · 2016: 4 · 2015: 2 · 2014: 3 · 2013: 6 · 2012: 9
FWCI
5.21
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • American Heart Association
  • National Institutes of Health
  • National Heart, Lung, and Blood Institute (HL-62000, R01HL062000)
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Pulmonary Hypertension Research and Treatments
  • Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Virus-based gene therapy research
Keywords
endothelial nitric oxide synthase, eNOS deficiency, adenoviral gene transfer, pulmonary artery pressure, pulmonary vascular resistance, pulmonary hypertension, cyclic GMP, eNOS-deficient mice, nitric oxide
MeSH terms
Adenoviridae, Animals, Cyclic GMP, Hemodynamics, Hypertension, Pulmonary, Lung, Pressure, Time Factors, Transfection, Gene Transfer Techniques, Nitric Oxide Synthase, Mice, Nitric Oxide Synthase Type II, Nitric Oxide Synthase Type III

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