Cited by 94Gut microbiota and healthRetinal Diseases and TreatmentsComplement system in diseases

Associations of the intestinal microbiome with the complement system in neovascular age-related macular degeneration

Open access
Zysset-Burri, Denise C., Keller, Irene, Berger, Lieselotte E., Largiadèr, Carlo R., Wittwer, Matthias, Wolf, Sebastian, Zinkernagel, Martin S.·2020·npj Genomic Medicine

Abstract

Age-related macular degeneration (AMD) is a leading cause of severe vision loss in the aged population. The etiology of AMD is multifactorial including nutritional factors, genetic variants mainly in the complement pathway, environmental risk factors and alterations in the intestinal microbiome. However, it remains unexplored whether there is an interdependency of these factors leading to the development of AMD. To investigate this issue, a shotgun metagenomics analysis of 57 neovascular AMD and 58 healthy controls as well as of 16 complement C3-deficient mice and 16 wildtypes was performed. Whereas the class Negativicutes was more abundant in patients, the genus Oscillibacter and species Bacteroides had a significantly higher prevalence in persons without AMD. Similar taxonomic features were identified that distinguished wildtype mice from C3-deficient mice. Moreover, several purine signaling pathways were associated with both, neovascular AMD and C3 deficiency. While SNPs within the complement factor B gene were more abundant in controls, SNPs within the high temperature requirement A serine peptidase 1 and complement factor H (CFH) genes were associated with neovascular AMD. Using a classification model, Negativicutes was identified as a potential biomarker for AMD and furthermore, it positively correlated with CFH. This study suggests an association between the intestinal microbiome and the complement system in neovascular AMD.

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  • Association studies have linked intestinal microbial products with the development and progression of age-related choroidal neovascularization (CNV) and age-related macular degeneration (AMD).

    “Association studies have linked intestinal microbial products with the development and progression of age-related choroidal neovascularization (CNV) and age-related macular degeneration (AMD) [4, 131, 133].”

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  1. [36]Andriessen EM Gut microbiota influences pathological angiogenesis in obesity-driven choroidal neovascularization EMBO Mol. Med. 2016 8 1366 1379 27861126 PMC5167134

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Authors
Zysset-Burri, D. C., Keller, I., Berger, L. E., Largiadèr, C. R., Wittwer, M., Wolf, S., & Zinkernagel, M. S.
Affiliations
  • University of Bern (CH)
  • Spiez Laboratory (CH)
Venue
npj Genomic Medicine
Published
2020-09-01
Volume
5
Issue
1
Pages
34-34
ISSN
2056-7944 (ISSN-L)
OpenAlex
W3082307877
Cited by
94
References
61
Citations by year
2026: 15 · 2025: 15 · 2024: 20 · 2023: 15 · 2022: 19 · 2021: 10
FWCI
3.57
Type
journal article
Language
en
Open access
Locations
  • npj Genomic Medicine (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • BORIS (University Library Bern) (submittedVersion, cc-by)
  • Open Access CRIS of the University of Bern
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Medicine › Ophthalmology › Retinal Diseases and Treatments
  • Life Sciences › Immunology and Microbiology › Immunology › Complement system in diseases
Keywords
neovascular age-related macular degeneration, gut microbiota, complement system, complement C3 deficiency, Negativicutes, Oscillibacter, Bacteroides, complement factor H, factor B, HTRA1, genetic susceptibility, biomarkers, shotgun metagenomics, C3-deficient mice

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