Cited by 435Retinal Development and DisordersNeurogenesis and neuroplasticity mechanismsZebrafish Biomedical Research Applications

A Role for 1 Tubulin-Expressing Muller Glia in Regeneration of the Injured Zebrafish Retina

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Fausett, B. V., Goldman, D.·2006·Journal of Neuroscience

Abstract

Alpha1 tubulin (alpha1T) is a neuron-specific microtubule protein whose expression is induced in the developing and regenerating CNS. In the adult CNS, alpha1T expression remains high in neural progenitors. Transgenic zebrafish harboring a 1.7 kb alpha1T promoter fragment along with the first exon and intron express the transgene in a manner that recapitulates expression of the endogenous gene. We recently showed that this promoter mediates gene induction in retinal ganglion cells during optic nerve regeneration and in a subset of Müller glia that proliferate after retinal injury (Senut et al., 2004). To further characterize these Müller glia, we generated transgenic fish harboring an alpha1T promoter fragment that is specifically induced in these cells after retinal damage. Transgene expression, bromodeoxyuridine (BrdU) labeling, and stem cell marker expression suggested that alpha1T-expressing Müller glia dedifferentiate and become multipotent in response to injury. In addition, green fluorescent protein and BrdU-mediated lineage tracing combined with retinal gene expression analysis indicated that alpha1T-expressing Müller glia were capable of generating retinal neurons and glia. These data strongly suggest alpha1T-expressing Müller glia dedifferentiate and mediate regeneration of the injured zebrafish retina.

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Crossref · 10.1523/jneurosci.0332-06.2006

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  1. Krebs W, Krebs I (1991) Primate retina and choroid: atlas of its fine struc- ture in man and monkey. New York: Springer.

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Authors
Fausett, B. V., & Goldman, D.
Affiliations
University of Michigan (US)
Venue
Journal of Neuroscience
Published
2006-06-07
Volume
26
Issue
23
Pages
6303-6313
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W2093315874
Cited by
435
References
44
Citations by year
2026: 22 · 2025: 17 · 2024: 16 · 2023: 31 · 2022: 30 · 2021: 28 · 2020: 25 · 2019: 25 · 2018: 20 · 2017: 26 · 2016: 24 · 2015: 22 · 2014: 22 · 2013: 26 · 2012: 20
FWCI
5.98
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Michigan Economic Development Corporation
  • National Institutes of Health
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Retinal Development and Disorders
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Zebrafish Biomedical Research Applications
Keywords
Müller cells, retinal regeneration, retinal damage, zebrafish, multipotency, retinal ganglion cells, optic nerve regeneration, lineage tracing, retinal progenitor cells, transgenic fish
MeSH terms
Animals, Cell Differentiation, Neuroglia, Neurons, Promoter Regions, Genetic, Regeneration, Retina, Tubulin, Wounds and Injuries, Zebrafish, Gene Expression, Transgenes, Animals, Genetically Modified, Multipotent Stem Cells, Cell Proliferation

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