Cited by 47Retinal Diseases and TreatmentsComplement system in diseasesOcular Diseases and Behçet’s Syndrome

Age-related Macular Degeneration and Modification of Systemic Complement Factor H Production Through Liver Transplantation

Khandhadia, Samir, Hakobyan, Svetlana, Heng, Ling Z., Gibson, Jane, Adams, David H., Alexander, Graeme J., Gibson, Jonathan M., Martin, Keith R. +7 more·2013·Ophthalmology

Abstract

Purpose To investigate whether modification of liver complement factor H (CFH) production, by alteration of liver CFH Y402H genotype through liver transplantation (LT), influences the development of age-related macular degeneration (AMD). Design Multicenter, cross-sectional study. Participants We recruited 223 Western European patients ≥ 55 years old who had undergone LT ≥ 5 years previously. Methods We determined AMD status using a standard grading system. Recipient CFH Y402H genotype was obtained from DNA extracted from recipient blood samples. Donor CFH Y402H genotype was inferred from recipient plasma CFH Y402H protein allotype, measured using enzyme-linked immunosorbent assays. This approach was verified by genotyping donor tissue from a subgroup of patients. Systemic complement activity was ascertained by measuring levels of plasma complement proteins using an enzyme-linked immunosorbent assay, including substrates (C3, C4), activation products (C3a, C4a, and terminal complement complex), and regulators (total CFH, C1 inhibitor). Main outcome measures We evaluated AMD status and recipient and donor CFH Y402H genotype. Results In LT patients, AMD was associated with recipient CFH Y402H genotype (P = 0.036; odds ratio [OR], 1.6; 95% confidence interval [CI], 1.0-2.4) but not with donor CFH Y402H genotype (P = 0.626), after controlling for age, sex, smoking status, and body mass index. Recipient plasma CFH Y402H protein allotype predicted donor CFH Y402H genotype with 100%…

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Crossref · 10.1016/j.ophtha.2013.01.004

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Authors
Khandhadia, S., Hakobyan, S., Heng, L. Z., Gibson, J., Adams, D. H., Alexander, G. J., Gibson, J. M., Martin, K. R., Menon, G., Nash, K., Sivaprasad, S., Ennis, S., Cree, A. J., Morgan, B. P., & Lotery, A. J.
Affiliations
  • University of Southampton (GB)
  • Cardiff University (GB)
  • University College London (GB)
  • Aston University (GB)
  • NIHR Birmingham Liver Biomedical Research Unit (GB)
  • University of Cambridge (GB)
  • Frimley Park Hospital (GB)
  • University Hospital Southampton NHS Foundation Trust (GB)
  • King's College Hospital (GB)
Corresponding author
Lotery, Andrew J.
Venue
Ophthalmology
Publisher
Elsevier BV
Published
2013-08
Volume
120
Issue
8
Pages
1612-1618
ISSN
0161-6420 (ISSN-L)
OpenAlex
W2113502029
Cited by
47
References
34
Citations by year
2026: 1 · 2025: 3 · 2024: 2 · 2023: 3 · 2022: 5 · 2021: 5 · 2020: 6 · 2019: 1 · 2018: 6 · 2017: 5 · 2016: 2 · 2015: 5 · 2014: 3
FWCI
3.28
Type
journal article
Language
en
Open access
closed
Locations
  • Ophthalmology (publishedVersion)
  • PubMed (publishedVersion)
  • ePrints Soton (University of Southampton) (submittedVersion)
  • UCL Discovery (University College London) (submittedVersion)
  • ORCA Online Research @Cardiff (Cardiff University) (submittedVersion)
  • University of Birmingham Research Portal (University of Birmingham) (submittedVersion)
Funders
  • Wellcome Trust (079249)
  • National Institute for Health and Care Research (NF-SI-0512-10080)
Topics
  • Health Sciences › Medicine › Ophthalmology › Retinal Diseases and Treatments
  • Life Sciences › Immunology and Microbiology › Immunology › Complement system in diseases
  • Health Sciences › Medicine › Ophthalmology › Ocular Diseases and Behçet’s Syndrome
Keywords
age-related macular degeneration, complement factor H, liver transplantation, C1 inhibitor
MeSH terms
Adult, Aged, Cross-Sectional Studies, Enzyme-Linked Immunosorbent Assay, Female, Genotype, Humans, Liver, Macular Degeneration, Male, Tissue Donors, Transplantation, Liver Transplantation, Complement Factor H, Polymorphism, Single Nucleotide, Genotyping Techniques

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