Targeting Microglia to Treat Degenerative Eye Diseases

Microglia have been implicated in many degenerative eye disorders, including retinitis pigmentosa, age-related macular degeneration, glaucoma, diabetic retinopathy, uveitis, and retinal detachment. While the exact roles of microglia in these conditions are still being discovered, evidence from anima...

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Main Authors: Sean K. Wang, Constance L. Cepko
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-02-01
Series:Frontiers in Immunology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fimmu.2022.843558/full
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author Sean K. Wang
Constance L. Cepko
Constance L. Cepko
Constance L. Cepko
author_facet Sean K. Wang
Constance L. Cepko
Constance L. Cepko
Constance L. Cepko
author_sort Sean K. Wang
collection DOAJ
description Microglia have been implicated in many degenerative eye disorders, including retinitis pigmentosa, age-related macular degeneration, glaucoma, diabetic retinopathy, uveitis, and retinal detachment. While the exact roles of microglia in these conditions are still being discovered, evidence from animal models suggests that they can modulate the course of disease. In this review, we highlight current strategies to target microglia in the eye and their potential as treatments for both rare and common ocular disorders. These approaches include depleting microglia with chemicals or radiation, reprogramming microglia using homeostatic signals or other small molecules, and inhibiting the downstream effects of microglia such as by blocking cytokine activity or phagocytosis. Finally, we describe areas of future research needed to fully exploit the therapeutic value of microglia in eye diseases.
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spelling doaj.art-6a1b0674c93d4d3a8e65753a4a4a65d82022-12-21T19:35:57ZengFrontiers Media S.A.Frontiers in Immunology1664-32242022-02-011310.3389/fimmu.2022.843558843558Targeting Microglia to Treat Degenerative Eye DiseasesSean K. Wang0Constance L. Cepko1Constance L. Cepko2Constance L. Cepko3Department of Ophthalmology, Byers Eye Institute, Stanford University School of Medicine, Palo Alto, CA, United StatesDepartment of Genetics, Blavatnik Institute, Harvard Medical School, Boston, MA, United StatesDepartment of Ophthalmology, Harvard Medical School, Boston, MA, United StatesHoward Hughes Medical Institute, Chevy Chase, MD, United StatesMicroglia have been implicated in many degenerative eye disorders, including retinitis pigmentosa, age-related macular degeneration, glaucoma, diabetic retinopathy, uveitis, and retinal detachment. While the exact roles of microglia in these conditions are still being discovered, evidence from animal models suggests that they can modulate the course of disease. In this review, we highlight current strategies to target microglia in the eye and their potential as treatments for both rare and common ocular disorders. These approaches include depleting microglia with chemicals or radiation, reprogramming microglia using homeostatic signals or other small molecules, and inhibiting the downstream effects of microglia such as by blocking cytokine activity or phagocytosis. Finally, we describe areas of future research needed to fully exploit the therapeutic value of microglia in eye diseases.https://www.frontiersin.org/articles/10.3389/fimmu.2022.843558/fullmicrogliaretinaneurodegenerationneuroinflammationneuroprotectionimmunomodulation
spellingShingle Sean K. Wang
Constance L. Cepko
Constance L. Cepko
Constance L. Cepko
Targeting Microglia to Treat Degenerative Eye Diseases
Frontiers in Immunology
microglia
retina
neurodegeneration
neuroinflammation
neuroprotection
immunomodulation
title Targeting Microglia to Treat Degenerative Eye Diseases
title_full Targeting Microglia to Treat Degenerative Eye Diseases
title_fullStr Targeting Microglia to Treat Degenerative Eye Diseases
title_full_unstemmed Targeting Microglia to Treat Degenerative Eye Diseases
title_short Targeting Microglia to Treat Degenerative Eye Diseases
title_sort targeting microglia to treat degenerative eye diseases
topic microglia
retina
neurodegeneration
neuroinflammation
neuroprotection
immunomodulation
url https://www.frontiersin.org/articles/10.3389/fimmu.2022.843558/full
work_keys_str_mv AT seankwang targetingmicrogliatotreatdegenerativeeyediseases
AT constancelcepko targetingmicrogliatotreatdegenerativeeyediseases
AT constancelcepko targetingmicrogliatotreatdegenerativeeyediseases
AT constancelcepko targetingmicrogliatotreatdegenerativeeyediseases