Cited by 346Retinal Diseases and TreatmentsRetinal Development and DisordersRetinal and Macular Surgery

Transplantation of fetal retinal pigment epithelium in age-related macular degeneration with subfoveal neovascularization

Algvere, Peep V., Berglin, Lennart, Gouras, Peter, Sheng, Yaohua·1994·Graefe's Archive for Clinical and Experimental Ophthalmology

Abstract

Background Age-related macular degeneration (ARMD) is caused by abnormal retinal pigment epithelium (RPE) and may be complicated by choroidal neovascularization. The object of treatment would be to replace the diseased RPE with normal human RPE.Method Five patients with ARMD (preoperative visual acuity 0.08-0.2) underwent removal of subretinal fibrovascular membranes using pars plana vitrectomy techniques. Human fetal RPE (15-17 weeks gestational age) was cultured and transplanted as a monolayer patch into the subretinal space. Transplants were followed by funduscopy and fluorescein angiography. Macular function was assessed using scanning laser ophthalmoscopic (SLO) microperimetry.Results Three RPE transplants were placed in the fovea; two were placed parafoveally. All transplants have survived for 3 months. They have grown and increased in size covering part of the epithelial defect caused by removal of the fibrovascular membrane. SLO microperimetry indicated that visual function was present in four of the transplants at 1 month but in only two at 3 months after surgery. Function over the transplants, especially those in the fovea, was compromised by cystoidlike macular edema.Conclusions Human fetal RPE transplants survive well in the macula for as long as 3 months. They are capable of growing to cover epithelial defects caused by removal of subretinal neovascular membranes. The causes for development of macular edema in transplants directly in the fovea warrant further evaluation.

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Crossref · 10.1007/bf00184273

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Authors
Algvere, P. V., Berglin, L., Gouras, P., & Sheng, Y.
Affiliations
  • Karolinska Institutet (SE)
  • Columbia University (US)
Venue
Graefe's Archive for Clinical and Experimental Ophthalmology
Published
1994-12
Volume
232
Issue
12
Pages
707-716
ISSN
  • 0721-832X (ISSN-L)
  • 1435-702X
OpenAlex
W1993096645
Cited by
346
References
16
Citations by year
2026: 4 · 2025: 7 · 2024: 8 · 2023: 8 · 2022: 9 · 2021: 5 · 2020: 7 · 2019: 6 · 2018: 4 · 2017: 8 · 2016: 7 · 2015: 11 · 2014: 8 · 2013: 7 · 2012: 15
FWCI
13.36
Type
journal article
Language
en
Open access
closed
Locations
  • Graefe s Archive for Clinical and Experimental Ophthalmology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Ophthalmology › Retinal Diseases and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Retinal Development and Disorders
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Retinal and Macular Surgery
Keywords
age-related macular degeneration, subfoveal neovascularization, choroidal neovascularization, retinal pigment epithelium transplantation, pars plana vitrectomy, cystoid macular edema, fovea, visual function
MeSH terms
Aged, Cell Membrane, Cell Survival, Cells, Cultured, Choroid, Female, Fluorescein Angiography, Fovea Centralis, Fundus Oculi, Humans, Macular Degeneration, Middle Aged, Neovascularization, Pathologic, Pigment Epithelium of Eye, Postoperative Complications, Visual Acuity, Vitrectomy, Fetal Tissue Transplantation, Visual Field Tests

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