Cited by 527Alzheimer's disease research and treatmentsNeurogenesis and neuroplasticity mechanismsAxon Guidance and Neuronal Signaling

Inhibition of neuronal maturation in primary hippocampal neurons from tau deficient mice

Dawson, Hana N., Ferreira, Adriana, Eyster, Michele V., Ghoshal, Nupur, Binder, Lester I., Vitek, Michael P.·2001·Journal of Cell Science

Abstract

Conflicting evidence supports a role for tau as an essential neuronal cytoskeletal protein or as a redundant protein whose function can be fulfilled by other microtubule-associated proteins. To investigate the function of tau in axonogenesis, we created tau deficient mice by disrupting the TAU gene. The engineered mice do not express the tau protein, appear physically normal and are able to reproduce. In contrast to a previously reported tau knockout mouse, embryonic hippocampal cultures from tau deficient mice show a significant delay in maturation as measured by axonal and neuritic extensions. The classic technique of selectively enhancing axonal growth by growth on laminin substrates failed to restore normal neuronal maturation of tau knockout neurons. By mating human TAU-gene transgenic and tau knockout mice, we reconstituted tau-deficient neurons with human tau proteins and restored a normal pattern of axonal growth and neuronal maturation. The ability of human tau proteins to rescue tau-deficient mouse neurons confirms that tau expression affects the rate of neurite extension.

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Crossref · 10.1242/jcs.114.6.1179

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2 of 2 references verified0 citation errors · 0 not checkable

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  • Genetic deletion studies indicate that endogenous tau participates in neuronal processes including cytoskeletal regulation, mitochondrial dynamics, synaptic plasticity, network activity, and DNA/RNA stability.

    “Genetic deletion studies indicate that endogenous tau participates in a range of neuronal processes, including cytoskeletal regulation, mitochondrial dynamics, synaptic plasticity, network activity [10–22], and stability of DNA and RNA stability [23].”
  • In tau knockout brains, no neuronal p-tau staining by VHH-A2-488 was observed, confirming a lack of nonspecific staining of non-tau protein by this nanobody.

    “In tau knockout brains (Dawson et al., 2001) we observed no neuronal p-tau staining by VHH-A2-488, confirming a lack of nonspecific staining of non-tau protein by this nanobody (Fig. 1B and Supp. Fig. 1).”

    From Spontaneous pathology in PS19 tauopathy mice progresses via brain networks (2025) · cites this paper as Dawson et al., 2001

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Authors
Dawson, H. N., Ferreira, A., Eyster, M. V., Ghoshal, N., Binder, L. I., & Vitek, M. P.
Affiliations
  • Duke University (US)
  • Northwestern University (US)
Venue
Journal of Cell Science
Published
2001-03-15
Volume
114
Issue
6
Pages
1179-1187
ISSN
  • 0021-9533 (ISSN-L)
  • 1477-9137
OpenAlex
W1893543180
Cited by
527
References
2
Citations by year
2026: 20 · 2025: 22 · 2024: 17 · 2023: 29 · 2022: 25 · 2021: 27 · 2020: 24 · 2019: 24 · 2018: 22 · 2017: 34 · 2016: 37 · 2015: 28 · 2014: 26 · 2013: 31 · 2012: 21
FWCI
5.78
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Cell Science (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5r01ag015383-02)
  • National Institute on Aging (AG15307, AG15383, AG0946)
  • National Institute of Neurological Disorders and Stroke (R01NS039080, NS 39080)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Axon Guidance and Neuronal Signaling
Keywords
tau protein, tau knockout mice, neuronal maturation, axonogenesis, hippocampal neurons, neurite outgrowth, axon growth, laminin substrate, microtubule-associated proteins, tau gene, transgenic rescue
MeSH terms
Animals, Axons, Cell Division, Cells, Cultured, Female, Hippocampus, Humans, Laminin, Male, Mice, Inbred C57BL, Microtubule-Associated Proteins, Neurons, Biomarkers, Gene Expression, tau Proteins, Mice, Knockout, Gene Targeting, Mice

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