Cited by 187Nitric Oxide and Endothelin EffectsAngiogenesis and VEGF in CancerPeripheral Artery Disease Management

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Chronic sodium nitrite therapy augments ischemia-induced angiogenesis and arteriogenesis

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Kumar, Dinesh, Branch, Billy G., Pattillo, Christopher B., Hood, Jay, Thoma, Stephen, Simpson, Stephen, Illum, Sandra, Arora, Neeraj, Chidlow, John H., Langston, Will, Teng, Xinjun, Lefer, David J., Patel, Rakesh P., Kevil, Christopher G.·2008·Proceedings of the National Academy of Sciences

Abstract

Chronic tissue ischemia due to defective vascular perfusion is a hallmark feature of peripheral artery disease for which minimal therapeutic options exist. We have reported that sodium nitrite therapy exerts cytoprotective effects against acute ischemia/reperfusion injury in both heart and liver, consistent with the model of bioactive NO formation from nitrite during ischemic stress. Here, we test the hypothesis that chronic sodium nitrite therapy can selectively augment angiogenic activity and tissue perfusion in the murine hind-limb ischemia model. Various therapeutic doses (8.25-3,300 mug/kg) of sodium nitrite or PBS were administered. Sodium nitrite significantly restored ischemic hind-limb blood flow in a time-dependent manner, with low-dose sodium nitrite being most effective. Nitrite therapy significantly increased ischemic limb vascular density and stimulated endothelial cell proliferation. Remarkably, the effects of sodium nitrite therapy were evident within 3 days of the ischemic insult demonstrating the potency and efficacy of chronic sodium nitrite therapy. Sodium nitrite therapy also increased ischemic tissue nitrite and NO metabolites compared to nonischemic limbs. Use of the NO scavenger carboxy PTIO completely abolished sodium nitrite-dependent ischemic tissue blood flow and angiogenic activity consistent with nitrite reduction to NO being the proangiogenic mechanism. These data demonstrate that chronic sodium nitrite therapy is a recently discovered therapeutic treatment for peripheral artery disease and critical limb ischemia.

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Metadata

Authors
Kumar, D., Branch, B. G., Pattillo, C. B., Hood, J., Thoma, S., Simpson, S., Illum, S., Arora, N., Chidlow, J. H., Langston, W., Teng, X., Lefer, D. J., Patel, R. P., & Kevil, C. G.
Affiliations
  • Louisiana State University Health Sciences Center Shreveport (US)
  • Departments of †Pathology and
  • University of Alabama at Birmingham (US)
  • Albert Einstein College of Medicine (US)
Venue
Proceedings of the National Academy of Sciences
Published
2008-05-27
Volume
105
Issue
21
Pages
7540-7545
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2014848058
Cited by
187
References
49
Citations by year
2025: 1 · 2024: 3 · 2023: 2 · 2022: 4 · 2021: 6 · 2020: 5 · 2019: 7 · 2018: 9 · 2017: 12 · 2016: 6 · 2015: 18 · 2014: 9 · 2013: 21 · 2012: 26
FWCI
12.86
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Heart, Lung, and Blood Institute (HL-80482, HL60849, R01HL080482, R01HL060849)
  • National Institute of Diabetes and Digestive and Kidney Diseases (P01DK043785, DK-43785)
Topics
  • Health Sciences › Medicine › Physiology (medical) › Nitric Oxide and Endothelin Effects
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Angiogenesis and VEGF in Cancer
  • Health Sciences › Medicine › Surgery › Peripheral Artery Disease Management
Keywords
nitric oxide, angiogenesis, arteriogenesis, hindlimb ischemia, peripheral arterial disease, critical limb ischemia, ischemia-reperfusion injury, endothelial cell proliferation, vessel density, blood flow recovery
MeSH terms
Animals, Arteries, Cyclic N-Oxides, Disease Models, Animal, Endothelium, Vascular, Hindlimb, Imidazoles, Ischemia, Male, Mice, Inbred C57BL, Nitric Oxide, Sodium Nitrite, Free Radical Scavengers, Peripheral Vascular Diseases, Neovascularization, Physiologic, Cytoprotection, Mice

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