ArticleNitric oxide : biology and chemistry2021
Supplemental nitrite increases choroidal neovascularization in mice.
Article in Nitric oxide : biology and chemistry, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 3 citations in OpenAlex.
- Association of perchlorate, nitrate, and thiocyanate with age-related macular degeneration in the United States.PloS one · 2025Article
- Intravitreal Metformin Protects Against Choroidal Neovascularization and Light-Induced Retinal Degeneration.International journal of molecular sciences · 2024Article
- Effects of endogenous dopamine induced by low concentration atropine eye drops on choroidal neovascularization in high myopia mice.International journal of ophthalmology · 2023Article
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Authors and funding
5 authors at 1 institution in 1 country.
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Abstract
Low doses of nitrite, close to physiological levels, increase blood flow in normal and ischemic tissues through a nitric oxide (NO) dependent mechanism. Given that nitrite therapy and dietary supplementation with vegetables high in nitrate (e.g. beets) are gaining popularity we decided to determine if low doses of nitrite impact the development of choroidal neovascularization (CNV), a key feature of wet age related macular degeneration (AMD). Sodium nitrite (at 50 mg/L, 150 mg/L, and 300 mg/L), nitrate (1 g/L) or water alone were provided in the drinking water of C57BL/6 J mice aged 2 or 12 months. Mice were allowed to drink ad libitum for 1 week at which time laser-induced choroidal neovascularization (L-CNV) was induced. The mice continued to drink the supplemented water ad libitum for a further 14 days at which point optical coherence tomography (OCT) was performed to determine the volume of the CNV lesion. Blood was drawn to determine nitrite and nitrate levels and eyes taken for histology. CNV volume was 2.86 × 10
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