Cited by 102Amyotrophic Lateral Sclerosis ResearchHereditary Neurological DisordersAlzheimer's disease research and treatments

The Loss of TBK1 Kinase Activity in Motor Neurons or in All Cell Types Differentially Impacts ALS Disease Progression in SOD1 Mice

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Gerbino, Valeria, Kaunga, Esther, Ye, Junqiang, Canzio, Daniele, O’Keeffe, Sean, Rudnick, Noam D., Guarnieri, Paolo, Lutz, Cathleen M. +1 more·2020·Neuron

Abstract

DNA sequence variants in the TBK1 gene associate with or cause sporadic or familial amyotrophic lateral sclerosis (ALS). Here we show that mice bearing human ALS-associated TBK1 missense loss-of-function mutations, or mice in which the Tbk1 gene is selectively deleted in motor neurons, do not display a neurodegenerative disease phenotype. However, loss of TBK1 function in motor neurons of the SOD1 G93A mouse model of ALS impairs autophagy, increases SOD1 aggregation, and accelerates early disease onset without affecting lifespan. By contrast, point mutations that decrease TBK1 kinase activity in all cells also accelerate disease onset but extend the lifespan of SOD1 mice. This difference correlates with the failure to activate high levels of expression of interferon-inducible genes in glia. We conclude that loss of TBK1 kinase activity impacts ALS disease progression through distinct pathways in different spinal cord cell types and further implicate the importance of glia in neurodegeneration.

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Crossref · 10.1016/j.neuron.2020.03.005

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  • Tbk1 haploinsufficiency impairs motor neuron autophagy and accelerates clinical phenotypes as well as the accumulation of mutant SOD1 in transgenic ALS mouse models.

    “Tbk1 haploinsufficiency impairs motor neuron autophagy and accelerates clinical phenotypes as well as the accumulation of mutant SOD1 in transgenic ALS mouse models [214,215].”
  • Impaired autophagy sensitizes the nervous system to key pathogenic events occurring early in ALS pathogenesis.

    “These findings not only suggest that impaired autophagy sensitizes the nervous system to key pathogenic events occurring early in ALS pathogenesis”
  • Neuroinflammation is important in ALS disease progression.

    “but also highlight the importance of neuroinflammation in disease progression [215].”
  • Ubiquitous expression of ALS-related TBK1 mutations, heterozygous TBK1 deletion, or motor neuron-specific TBK1 deletion result in loss of function phenotypes but are insufficient to produce ALS-related neurodegeneration in mice.

    “Ubiquitous expression of ALS-related TBK1 mutations, heterozygous TBK1 deletion, or motor neuron-specific TBK1 deletion result in loss of function phenotypes but are insufficient to produce ALS-related neurodegeneration in mice [214,215].”
  • Loss of TBK1 activity in SOD1G93A mouse models of ALS curtails autophagy and accelerates the clinical manifestation of ALS.

    “Of note, loss of TBK1 activity in SOD1G93A mouse models of ALS curtails autophagy and accelerates the clinical manifestation of ALS (Gerbino et al, 2020).”

    From Autophagy in major human diseases (2021) · cites this paper as Gerbino et al, 2020

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Authors
Gerbino, V., Kaunga, E., Ye, J., Canzio, D., O’Keeffe, S., Rudnick, N. D., Guarnieri, P., Lutz, C. M., & Maniatis, T.
Affiliations
  • Mortimer B. Zuckerman Mind Brain Behavior Institute (US)
  • Columbia University (US)
  • Jackson Laboratory (US)
  • New York Genome Center (US)
Corresponding author
Maniatis, Tom
Venue
Neuron
Publisher
Elsevier BV
Published
2020-06
Volume
106
Issue
5
Pages
789-805.e5
ISSN
0896-6273 (ISSN-L)
OpenAlex
W3013449576
Cited by
102
References
71
Citations by year
2026: 11 · 2025: 16 · 2024: 14 · 2023: 10 · 2022: 22 · 2021: 20 · 2020: 9
FWCI
6.60
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • The Mouseion at the JAXlibrary (Jackson Laboratory) (submittedVersion)
Funders
  • Amyotrophic Lateral Sclerosis Association
  • Takeda Pharmaceuticals U.S.A.
Topics
  • Health Sciences › Medicine › Neurology › Amyotrophic Lateral Sclerosis Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Hereditary Neurological Disorders
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
Keywords
amyotrophic lateral sclerosis, SOD1 G93A mice, motor neurons, autophagy, SOD1 aggregation, interferon-stimulated genes, glia, disease onset, lifespan, neurodegeneration
MeSH terms
Superoxide Dismutase-1, Loss of Function Mutation, Amyotrophic Lateral Sclerosis, Animals, Autophagy, Disease Models, Animal, Inflammation, Motor Neurons, Neuromuscular Junction, Survival Rate, Protein Serine-Threonine Kinases, Microglia, Age of Onset, Mice, Knockout, Disease Progression, Mutation, Missense, Mice, Gene Knock-In Techniques

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