ArticleInternational ophthalmology2019
Efficacy of fumagillin bicyclohexylamine on experimental corneal neovascularization in rat model.
Article in International ophthalmology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed, 4 citations in OpenAlex.
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- Methionine aminopeptidases: Potential therapeutic target for microsporidia and other microbes.The Journal of eukaryotic microbiologyReview
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeFumagillin has been previously used to treat corneal microsporidial keratitis and also identified as an angiogenesis inhibitor. This study aimed to evaluate efficacy of fumagillin bicyclohexylamine on the rat model of corneal neovascularization induced by silver nitrate cauterization.
methodsTwenty-four Albino Wistar rats (n = 24) were divided into three groups. Following silver nitrate-induced corneal injury, eyes in Group 1 received one drop of 5 mg/mL topical fumagillin bicyclohexylamine four times daily for 10 days. Group 2 received subconjunctival injection of 0.1 mL fumagillin bicyclohexylamine (2.5 mg/mL) on day 1 and day 5. Group 3 received artificial tears and lubricants four times daily for 10 days as control. On day 10, animals were sacrificed. Corneal specimens were obtained and prepared to assess vascular endothelial growth factor (VEGF-C) levels and corneal angiogenic microvessel density.
resultsThere was no significant difference in VEGF-C levels between the groups (P = 0.994). Assessment of angiogenic microvessel density for peripheral corneal zone also did not reveal significant difference between the groups (P = 0.113). However, mean vascular density in Group 1 and Group 2 was significantly higher for both midperipheral and central corneal zones in comparison with Group 3 (P = 0.003, P = 0.015).
conclusionsPreviously proved to be effective for treatment of microsporidial keratitis in humans, topical and subconjunctival concentration or dosing of fumagillin bicyclohexylamine failed to reduce corneal neovascularization induced by silver nitrate in this study. Further studies comparing different concentrations and dosing may detect inhibitory effects of fumagillin on corneal neovascularization without inducing toxicity.
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Registered trials
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