Cited by 710Retinal Diseases and TreatmentsOcular Diseases and Behçet’s SyndromeAntioxidant Activity and Oxidative Stress

Oxidative damage-induced inflammation initiates age-related macular degeneration

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Hollyfield, Joe G, Bonilha, Vera L, Rayborn, Mary E, Yang, Xiaoping, Shadrach, Karen G, Lu, Liang, Ufret, Rafael L, Salomon, Robert G +1 more·2008·Nature Medicine

Abstract

Oxidative damage and inflammation are postulated to be involved in age-related macular degeneration (AMD). However, the molecular signal(s) linking oxidation to inflammation in this late-onset disease is unknown. Here we describe AMD-like lesions in mice after immunization with mouse serum albumin adducted with carboxyethylpyrrole, a unique oxidation fragment of docosahexaenoic acid that has previously been found adducting proteins in drusen from AMD donor eye tissues and in plasma samples from individuals with AMD. Immunized mice develop antibodies to this hapten, fix complement component-3 in Bruch's membrane, accumulate drusen below the retinal pigment epithelium during aging, and develop lesions in the retinal pigment epithelium mimicking geographic atrophy, the blinding end-stage condition characteristic of the dry form of AMD. We hypothesize that these mice are sensitized to the generation of carboxyethylpyrrole adducts in the outer retina, where docosahexaenoic acid is abundant and conditions for oxidative damage are permissive. This new model provides a platform for dissecting the molecular pathology of oxidative damage in the outer retina and the immune response contributing to AMD.

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Authors
Hollyfield, J. G., Bonilha, V. L., Rayborn, M. E., Yang, X., Shadrach, K. G., Lu, L., Ufret, R. L., Salomon, R. G., & Perez, V. L.
Affiliations
  • Cleveland Clinic Lerner College of Medicine (US)
  • Case Western Reserve University (US)
Corresponding author
  • Hollyfield, Joe G
  • Perez, Victor L
Venue
Nature Medicine
Published
2008-01-27
Volume
14
Issue
2
Pages
194-198
ISSN
  • 1078-8956 (ISSN-L)
  • 1546-170X
OpenAlex
W2064170412
Cited by
710
References
31
Citations by year
2026: 18 · 2025: 23 · 2024: 25 · 2023: 24 · 2022: 28 · 2021: 39 · 2020: 32 · 2019: 32 · 2018: 23 · 2017: 34 · 2016: 40 · 2015: 48 · 2014: 61 · 2013: 50 · 2012: 69
FWCI
55.39
Type
journal article
Language
en
Open access
Locations
  • Nature Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Eye Institute (R21EY017153, R56EY014240, R56EY10240, R24EY015638, K08EY014912, R01EY014240)
  • National Institute of General Medical Sciences (R01-GM21249, R01GM021249)
Topics
  • Health Sciences › Medicine › Ophthalmology › Retinal Diseases and Treatments
  • Health Sciences › Medicine › Ophthalmology › Ocular Diseases and Behçet’s Syndrome
  • Health Sciences › Medicine › Biochemistry › Antioxidant Activity and Oxidative Stress
Keywords
age-related macular degeneration, oxidative damage, inflammation, docosahexaenoic acid, protein adducts, drusen, geographic atrophy, retinal pigment epithelium, Bruch's membrane, complement C3, mouse model, outer retina, dry age-related macular degeneration
MeSH terms
Aging, Animals, Antibodies, Antigens, Immunization, Inflammation, Macular Degeneration, Mice, Inbred BALB C, Mice, Inbred C57BL, Pigment Epithelium of Eye, Pyrroles, Time Factors, Complement C3d, Bruch Membrane, Titrimetry, Oxidative Stress, Protein Transport, Mice

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