Cited by 638Amyotrophic Lateral Sclerosis ResearchNeuroinflammation and Neurodegeneration MechanismsNF-κB Signaling Pathways

Microglia Induce Motor Neuron Death via the Classical NF-κB Pathway in Amyotrophic Lateral Sclerosis

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Frakes, Ashley E., Ferraiuolo, Laura, Haidet-Phillips, Amanda M., Schmelzer, Leah, Braun, Lyndsey, Miranda, Carlos J., Ladner, Katherine J., Bevan, Adam K. +5 more·2014·Neuron

Abstract

Neuroinflammation is one of the most striking hallmarks of amyotrophic lateral sclerosis (ALS). Nuclear factor-kappa B (NF-κB), a master regulator of inflammation, is upregulated in spinal cords of ALS patients and SOD1-G93A mice. In this study, we show that selective NF-κB inhibition in ALS astrocytes is not sufficient to rescue motor neuron (MN) death. However, the localization of NF-κB activity and subsequent deletion of NF-κB signaling in microglia rescued MNs from microglial-mediated death in vitro and extended survival in ALS mice by impairing proinflammatory microglial activation. Conversely, constitutive activation of NF-κB selectively in wild-type microglia induced gliosis and MN death in vitro and in vivo. Taken together, these data provide a mechanism by which microglia induce MN death in ALS and suggest a novel therapeutic target that can be modulated to slow the progression of ALS and possibly other neurodegenerative diseases by which microglial activation plays a role.

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Crossref · 10.1016/j.neuron.2014.01.013

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  • Multiple sclerosis, ALS, and spinal cord injury are associated with chronic activation of resident immune cells, microglia.

    “These disorders (e.g. multiple sclerosis, ALS, spinal cord injury) are associated with chronic activation of resident immune cells, microglia2–4.”
  • Restraining microglial activation by ablating NF-kappaB signaling rescues motor neurons from microglia-mediated death in vitro and extends survival of SOD1G93A mice.

    “restraining microglial activation by ablating NF-κB signaling rescued motor neurons from microglia-mediated death in vitro and extended survival of SOD1G93A mice (151).”

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  1. Crosio C Valle C Casciati A Iaccarino C Carrì MT 2011b Astroglial Inhibition of NF-κB Does Not Ameliorate Disease Onset and Progression in a Mouse Model for Amyotrophic Lateral Sclerosis (ALS) PLoS ONE 6 e17187 21445241 PMC3060799

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Authors
Frakes, A. E., Ferraiuolo, L., Haidet-Phillips, A. M., Schmelzer, L., Braun, L., Miranda, C. J., Ladner, K. J., Bevan, A. K., Foust, K. D., Godbout, J. P., Popovich, P. G., Guttridge, D. C., & Kaspar, B. K.
Affiliations
  • Nationwide Children's Hospital (US)
  • The Ohio State University (US)
Corresponding author
Kaspar, Brian K.
Venue
Neuron
Publisher
Elsevier BV
Published
2014-03
Volume
81
Issue
5
Pages
1009-1023
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2101321540
Cited by
638
References
63
Citations by year
2026: 33 · 2025: 43 · 2024: 54 · 2023: 54 · 2022: 61 · 2021: 61 · 2020: 76 · 2019: 57 · 2018: 51 · 2017: 45 · 2016: 47 · 2015: 40 · 2014: 16
FWCI
32.15
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute of Neurological Disorders and Stroke (R01NS644912, R01NS064492, T32NS077984)
Topics
  • Health Sciences › Medicine › Neurology › Amyotrophic Lateral Sclerosis Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
Keywords
amyotrophic lateral sclerosis, microglia, motor neuron degeneration, NF-κB signaling, neuroinflammation, microglial activation, gliosis, SOD1 G93A mice, astrocytes, neurodegeneration, therapeutic target
MeSH terms
Superoxide Dismutase-1, Age Factors, Amyotrophic Lateral Sclerosis, Animals, Animals, Newborn, Astrocytes, Cell Communication, Disease Models, Animal, Female, Mice, Inbred Strains, Mice, Transgenic, Motor Neurons, Superoxide Dismutase, Signal Transduction, NF-kappa B, Cell Death, Microglia, Coculture Techniques, Mice, Primary Cell Culture

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