Microglia in Retinal Degeneration

The retina is a complex tissue with multiple cell layers that are highly ordered. Its sophisticated structure makes it especially sensitive to external or internal perturbations that exceed the homeostatic range. This necessitates the continuous surveillance of the retina for the detection of noxiou...

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Main Authors: Khalid Rashid, Isha Akhtar-Schaefer, Thomas Langmann
Format: Article
Language:English
Published: Frontiers Media S.A. 2019-08-01
Series:Frontiers in Immunology
Subjects:
Online Access:https://www.frontiersin.org/article/10.3389/fimmu.2019.01975/full
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author Khalid Rashid
Isha Akhtar-Schaefer
Thomas Langmann
Thomas Langmann
author_facet Khalid Rashid
Isha Akhtar-Schaefer
Thomas Langmann
Thomas Langmann
author_sort Khalid Rashid
collection DOAJ
description The retina is a complex tissue with multiple cell layers that are highly ordered. Its sophisticated structure makes it especially sensitive to external or internal perturbations that exceed the homeostatic range. This necessitates the continuous surveillance of the retina for the detection of noxious stimuli. This task is mainly performed by microglia cells, the resident tissue macrophages which confer neuroprotection against transient pathophysiological insults. However, under sustained pathological stimuli, microglial inflammatory responses become dysregulated, often worsening disease pathology. In this review, we provide an overview of recent studies that depict microglial responses in diverse retinal pathologies that have degeneration and chronic immune reactions as key pathophysiological components. We also discuss innovative immunomodulatory therapy strategies that dampen the detrimental immunological responses to improve disease outcome.
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spelling doaj.art-1d6de7cf24e34a7d8bc91b69bce8c1c72022-12-22T01:54:28ZengFrontiers Media S.A.Frontiers in Immunology1664-32242019-08-011010.3389/fimmu.2019.01975474669Microglia in Retinal DegenerationKhalid Rashid0Isha Akhtar-Schaefer1Thomas Langmann2Thomas Langmann3Laboratory for Experimental Immunology of the Eye, Department of Ophthalmology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, GermanyLaboratory for Experimental Immunology of the Eye, Department of Ophthalmology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, GermanyLaboratory for Experimental Immunology of the Eye, Department of Ophthalmology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, GermanyCenter for Molecular Medicine Cologne, Cologne, GermanyThe retina is a complex tissue with multiple cell layers that are highly ordered. Its sophisticated structure makes it especially sensitive to external or internal perturbations that exceed the homeostatic range. This necessitates the continuous surveillance of the retina for the detection of noxious stimuli. This task is mainly performed by microglia cells, the resident tissue macrophages which confer neuroprotection against transient pathophysiological insults. However, under sustained pathological stimuli, microglial inflammatory responses become dysregulated, often worsening disease pathology. In this review, we provide an overview of recent studies that depict microglial responses in diverse retinal pathologies that have degeneration and chronic immune reactions as key pathophysiological components. We also discuss innovative immunomodulatory therapy strategies that dampen the detrimental immunological responses to improve disease outcome.https://www.frontiersin.org/article/10.3389/fimmu.2019.01975/fullretinamicroglianeuroprotectionchronic inflammationimmunomodulation
spellingShingle Khalid Rashid
Isha Akhtar-Schaefer
Thomas Langmann
Thomas Langmann
Microglia in Retinal Degeneration
Frontiers in Immunology
retina
microglia
neuroprotection
chronic inflammation
immunomodulation
title Microglia in Retinal Degeneration
title_full Microglia in Retinal Degeneration
title_fullStr Microglia in Retinal Degeneration
title_full_unstemmed Microglia in Retinal Degeneration
title_short Microglia in Retinal Degeneration
title_sort microglia in retinal degeneration
topic retina
microglia
neuroprotection
chronic inflammation
immunomodulation
url https://www.frontiersin.org/article/10.3389/fimmu.2019.01975/full
work_keys_str_mv AT khalidrashid microgliainretinaldegeneration
AT ishaakhtarschaefer microgliainretinaldegeneration
AT thomaslangmann microgliainretinaldegeneration
AT thomaslangmann microgliainretinaldegeneration