Cited by 201Retinal Diseases and TreatmentsGut microbiota and healthOcular Diseases and Behçet’s Syndrome

Gut microbiota influences pathological angiogenesis in obesity‐driven choroidal neovascularization

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Andriessen, Elisabeth MMA, Wilson, Ariel M, Mawambo, Gaelle, Dejda, Agnieszka, Miloudi, Khalil, Sennlaub, Florian, Sapieha, Przemyslaw·2016·EMBO Molecular Medicine

Abstract

Age-related macular degeneration in its neovascular form (NV AMD) is the leading cause of vision loss among adults above the age of 60. Epidemiological data suggest that in men, overall abdominal obesity is the second most important environmental risk factor after smoking for progression to late-stage NV AMD To date, the mechanisms that underscore this observation remain ill-defined. Given the impact of high-fat diets on gut microbiota, we investigated whether commensal microbes influence the evolution of AMD Using mouse models of NV AMD, microbiotal transplants, and other paradigms that modify the gut microbiome, we uncoupled weight gain from confounding factors and demonstrate that high-fat diets exacerbate choroidal neovascularization (CNV) by altering gut microbiota. Gut dysbiosis leads to heightened intestinal permeability and chronic low-grade inflammation characteristic of inflammaging with elevated production of IL-6, IL-1β, TNF-α, and VEGF-A that ultimately aggravate pathological angiogenesis.

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  1. Combadière C, Feumi C, Raoul W, Keller N, Rodéro M, Pézard A, Lavalette S, Houssier M, Jonet L, Picard E et al (2007) CX3CR1‐dependent subretinal microglia cell accumulation is associated with cardinal features of age‐related macular degeneration. J Clin Invest 117: 2920– 2928 17909628 PMC1994614

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Authors
Andriessen, E. M., Wilson, A. M., Mawambo, G., Dejda, A., Miloudi, K., Sennlaub, F., & Sapieha, P.
Affiliations
  • Hôpital Maisonneuve-Rosemont (CA)
  • Polytechnique Montréal (CA)
  • McGill University (CA)
  • Centre National de la Recherche Scientifique (FR)
Corresponding author
Sapieha, Przemyslaw
Venue
EMBO Molecular Medicine
Published
2016-11-15
Volume
8
Issue
12
Pages
1366-1379
ISSN
  • 1757-4676 (ISSN-L)
  • 1757-4684
OpenAlex
W2552235278
Cited by
201
References
70
Citations by year
2026: 23 · 2025: 16 · 2024: 26 · 2023: 32 · 2022: 35 · 2021: 28 · 2020: 18 · 2019: 8 · 2018: 10 · 2017: 4 · 2016: 1
FWCI
8.14
Type
journal article
Language
en
Open access
Locations
  • EMBO Molecular Medicine (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • PolyPublie (École Polytechnique de Montréal) (submittedVersion, cc-by)
  • HAL (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • Foundation Fighting Blindness Canada
  • Canadian Institutes of Health Research (324573)
  • Canadian Diabetes Association (OG‐3‐11‐3329‐PS)
  • Natural Sciences and Engineering Research Council of Canada (418637)
  • Fondation de l'Avenir pour la Recherche Médicale Appliquée (RMA‐2015‐010)
Topics
  • Health Sciences › Medicine › Ophthalmology › Retinal Diseases and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Medicine › Ophthalmology › Ocular Diseases and Behçet’s Syndrome
Keywords
gut microbiota, choroidal neovascularization, age-related macular degeneration, obesity, abdominal obesity, high-fat diet, gut dysbiosis, intestinal permeability, inflammaging, pathological angiogenesis, VEGF-A, low-grade inflammation, microbiota transplantation
MeSH terms
Gastrointestinal Microbiome, Fecal Microbiota Transplantation, Animals, Disease Models, Animal, Inflammation, Macular Degeneration, Neovascularization, Pathologic, Obesity, Cytokines, Choroidal Neovascularization, Gastrointestinal Tract, Mice, Diet, High-Fat, Dysbiosis

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