Cited by 221Glaucoma and retinal disordersNeuroinflammation and Neurodegeneration MechanismsRetinal Development and Disorders

Neurotoxic Reactive Astrocytes Drive Neuronal Death after Retinal Injury

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Guttenplan, Kevin A., Stafford, Benjamin K., El-Danaf, Rana N., Adler, Drew I., Münch, Alexandra E., Weigel, Maya K., Huberman, Andrew D., Liddelow, Shane A.·2020·Cell Reports

Abstract

Glaucoma is a neurodegenerative disease that features the death of retinal ganglion cells (RGCs) in the retina, often as a result of prolonged increases in intraocular pressure. We show that preventing the formation of neuroinflammatory reactive astrocytes prevents the death of RGCs normally seen in a mouse model of glaucoma. Furthermore, we show that these spared RGCs are electrophysiologically functional and thus still have potential value for the function and regeneration of the retina. Finally, we demonstrate that the death of RGCs depends on a combination of both an injury to the neurons and the presence of reactive astrocytes, suggesting a model that may explain why reactive astrocytes are toxic only in some circumstances. Altogether, these findings highlight reactive astrocytes as drivers of RGC death in a chronic neurodegenerative disease of the eye.

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Crossref · 10.1016/j.celrep.2020.107776

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  • In vivo, genomic deletion of Il1a, Tnf, and C1qa prevented death of retinal ganglion cell (RGC) neurons after optic nerve crush (ONC) or in the bead occlusion model of glaucoma.

    “In vivo, genomic deletion of Il1a, Tnf, and C1qa prevented death of retinal ganglion cell (RGC) neurons after optic nerve crush (ONC) or in the bead occlusion model of glaucoma3”
  • Elovl1 cKO mice still showed neuronal death following ONC, unlike Il1a−/−Tnf−/−C1qa−/− mice, which show no RGC death following axon crush, but the amount of death was reduced.

    “While Elovl1 cKO mice still showed neuronal death following ONC (unlike in Il1a−/−Tnf−/−C1qa−/− mice, which show no RGC death following axon crush2,3,20), the amount of death was reduced”

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Authors
Guttenplan, K. A., Stafford, B. K., El-Danaf, R. N., Adler, D. I., Münch, A. E., Weigel, M. K., Huberman, A. D., & Liddelow, S. A.
Affiliations
  • Stanford Medicine (US)
  • Salk Institute for Biological Studies (US)
  • New York University Abu Dhabi (AE)
  • NYU Langone Health (US)
Corresponding author
  • Guttenplan, Kevin A.
  • Liddelow, Shane A.
Venue
Cell Reports
Publisher
Elsevier BV
Published
2020-06
Volume
31
Issue
12
Pages
107776
ISSN
2211-1247 (ISSN-L)
OpenAlex
W3037075657
Cited by
221
References
50
Citations by year
2026: 23 · 2025: 30 · 2024: 39 · 2023: 36 · 2022: 48 · 2021: 34 · 2020: 10
FWCI
25.38
Type
journal article
Language
en
Update notices
erratum (2024-06-25)
Open access
Locations
  • Cell Reports (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • NYU Grossman School of Medicine
  • Cure Alzheimer's Fund
  • Glenn Foundation for Medical Research
Topics
  • Health Sciences › Medicine › Ophthalmology › Glaucoma and retinal disorders
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Retinal Development and Disorders
Keywords
reactive astrocytes, neurotoxicity, retinal ganglion cells, glaucoma, retinal damage, neuronal cell death, neuroinflammation, intraocular pressure, retinal regeneration, electrophysiological function
MeSH terms
Animals, Astrocytes, Axons, Dendrites, Disease Models, Animal, Glaucoma, Gliosis, Interleukin-1, Intraocular Pressure, Microspheres, Neurons, Neurotoxins, Retina, Retinal Ganglion Cells, Tumor Necrosis Factor-alpha, Complement C1q, Cell Death, Mice, Knockout, Cell Shape

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