The Role of Retinal Pigment Epithelial Cells in Age-Related Macular Degeneration: Phagocytosis and Autophagy

Age-related macular degeneration (AMD) causes vision loss in the elderly population. Dry AMD leads to the formation of Drusen, while wet AMD is characterized by cell proliferation and choroidal angiogenesis. The retinal pigment epithelium (RPE) plays a key role in AMD pathogenesis. In particular, he...

Full description

Bibliographic Details
Main Authors: Zhibo Si, Yajuan Zheng, Jing Zhao
Format: Article
Language:English
Published: MDPI AG 2023-05-01
Series:Biomolecules
Subjects:
Online Access:https://www.mdpi.com/2218-273X/13/6/901
_version_ 1797595795024773120
author Zhibo Si
Yajuan Zheng
Jing Zhao
author_facet Zhibo Si
Yajuan Zheng
Jing Zhao
author_sort Zhibo Si
collection DOAJ
description Age-related macular degeneration (AMD) causes vision loss in the elderly population. Dry AMD leads to the formation of Drusen, while wet AMD is characterized by cell proliferation and choroidal angiogenesis. The retinal pigment epithelium (RPE) plays a key role in AMD pathogenesis. In particular, helioreceptor renewal depends on outer segment phagocytosis of RPE cells, while RPE autophagy can protect cells from oxidative stress damage. However, when the oxidative stress burden is too high and homeostasis is disturbed, the phagocytosis and autophagy functions of RPE become damaged, leading to AMD development and progression. Hence, characterizing the roles of RPE cell phagocytosis and autophagy in the pathogenesis of AMD can inform the development of potential therapeutic targets to prevent irreversible RPE and photoreceptor cell death, thus protecting against AMD.
first_indexed 2024-03-11T02:42:30Z
format Article
id doaj.art-205a5bcca30a43a0884854680c706860
institution Directory Open Access Journal
issn 2218-273X
language English
last_indexed 2024-03-11T02:42:30Z
publishDate 2023-05-01
publisher MDPI AG
record_format Article
series Biomolecules
spelling doaj.art-205a5bcca30a43a0884854680c7068602023-11-18T09:30:25ZengMDPI AGBiomolecules2218-273X2023-05-0113690110.3390/biom13060901The Role of Retinal Pigment Epithelial Cells in Age-Related Macular Degeneration: Phagocytosis and AutophagyZhibo Si0Yajuan Zheng1Jing Zhao2Department of Ophthalmology, The Second Hospital of Jilin University, Changchun 130000, ChinaDepartment of Ophthalmology, The Second Hospital of Jilin University, Changchun 130000, ChinaDepartment of Ophthalmology, The Second Hospital of Jilin University, Changchun 130000, ChinaAge-related macular degeneration (AMD) causes vision loss in the elderly population. Dry AMD leads to the formation of Drusen, while wet AMD is characterized by cell proliferation and choroidal angiogenesis. The retinal pigment epithelium (RPE) plays a key role in AMD pathogenesis. In particular, helioreceptor renewal depends on outer segment phagocytosis of RPE cells, while RPE autophagy can protect cells from oxidative stress damage. However, when the oxidative stress burden is too high and homeostasis is disturbed, the phagocytosis and autophagy functions of RPE become damaged, leading to AMD development and progression. Hence, characterizing the roles of RPE cell phagocytosis and autophagy in the pathogenesis of AMD can inform the development of potential therapeutic targets to prevent irreversible RPE and photoreceptor cell death, thus protecting against AMD.https://www.mdpi.com/2218-273X/13/6/901age-related macular degenerationautophagyoxidative stressphagocytosisretinal pigment epithelial cell
spellingShingle Zhibo Si
Yajuan Zheng
Jing Zhao
The Role of Retinal Pigment Epithelial Cells in Age-Related Macular Degeneration: Phagocytosis and Autophagy
Biomolecules
age-related macular degeneration
autophagy
oxidative stress
phagocytosis
retinal pigment epithelial cell
title The Role of Retinal Pigment Epithelial Cells in Age-Related Macular Degeneration: Phagocytosis and Autophagy
title_full The Role of Retinal Pigment Epithelial Cells in Age-Related Macular Degeneration: Phagocytosis and Autophagy
title_fullStr The Role of Retinal Pigment Epithelial Cells in Age-Related Macular Degeneration: Phagocytosis and Autophagy
title_full_unstemmed The Role of Retinal Pigment Epithelial Cells in Age-Related Macular Degeneration: Phagocytosis and Autophagy
title_short The Role of Retinal Pigment Epithelial Cells in Age-Related Macular Degeneration: Phagocytosis and Autophagy
title_sort role of retinal pigment epithelial cells in age related macular degeneration phagocytosis and autophagy
topic age-related macular degeneration
autophagy
oxidative stress
phagocytosis
retinal pigment epithelial cell
url https://www.mdpi.com/2218-273X/13/6/901
work_keys_str_mv AT zhibosi theroleofretinalpigmentepithelialcellsinagerelatedmaculardegenerationphagocytosisandautophagy
AT yajuanzheng theroleofretinalpigmentepithelialcellsinagerelatedmaculardegenerationphagocytosisandautophagy
AT jingzhao theroleofretinalpigmentepithelialcellsinagerelatedmaculardegenerationphagocytosisandautophagy
AT zhibosi roleofretinalpigmentepithelialcellsinagerelatedmaculardegenerationphagocytosisandautophagy
AT yajuanzheng roleofretinalpigmentepithelialcellsinagerelatedmaculardegenerationphagocytosisandautophagy
AT jingzhao roleofretinalpigmentepithelialcellsinagerelatedmaculardegenerationphagocytosisandautophagy