Cited by 454Retinal Development and DisordersNeurogenesis and neuroplasticity mechanismsRetinal Diseases and Treatments

Potential for neural regeneration after neurotoxic injury in the adult mammalian retina

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Ooto, Sotaro, Akagi, Tadamichi, Kageyama, Ryoichiro, Akita, Joe, Mandai, Michiko, Honda, Yoshihito, Takahashi, Masayo·2004·Proceedings of the National Academy of Sciences

Abstract

It has long been believed that the retina of mature mammals is incapable of regeneration. In this study, using the N -methyl- d -aspartate neurotoxicity model of adult rat retina, we observed that some Müller glial cells were stimulated to proliferate in response to a toxic injury and produce bipolar cells and rod photoreceptors. Although these newly produced neurons were limited in number, retinoic acid treatment promoted the number of regenerated bipolar cells. Moreover, misexpression of basic helix–loop–helix and homeobox genes promoted the induction of amacrine, horizontal, and rod photoreceptor specific phenotypes. These findings demonstrated that retinal neurons regenerated even in adult mammalian retina after toxic injury. Furthermore, we could partially control the fate of the regenerated neurons with extrinsic factors or intrinsic genes. The Müller glial cells constitute a potential source for the regeneration of adult mammalian retina and can be a target for drug delivery and gene therapy in retinal degenerative diseases.

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Crossref · 10.1073/pnas.0402129101

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Authors
Ooto, S., Akagi, T., Kageyama, R., Akita, J., Mandai, M., Honda, Y., & Takahashi, M.
Affiliations
Kyoto University (JP)
Venue
Proceedings of the National Academy of Sciences
Published
2004-09-07
Volume
101
Issue
37
Pages
13654-13659
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2116718309
Cited by
454
References
39
Citations by year
2026: 9 · 2025: 7 · 2024: 12 · 2023: 13 · 2022: 14 · 2021: 20 · 2020: 17 · 2019: 25 · 2018: 23 · 2017: 32 · 2016: 26 · 2015: 30 · 2014: 20 · 2013: 26 · 2012: 24
FWCI
6.27
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Retinal Development and Disorders
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Health Sciences › Medicine › Ophthalmology › Retinal Diseases and Treatments
Keywords
retinal regeneration, Müller cells, NMDA neurotoxicity, bipolar cells, rod photoreceptors, retinoic acid, basic helix-loop-helix genes, homeobox genes, neuronal fate specification, retinal degeneration, gene therapy, drug delivery
MeSH terms
PAX6 Transcription Factor, Aging, Animals, Cell Differentiation, Cell Division, Eye Proteins, Gene Expression Regulation, Immunohistochemistry, Male, Nerve Regeneration, Nerve Tissue Proteins, Neuroglia, Neurons, Repressor Proteins, Retina, Rhodopsin, Tretinoin, Trans-Activators, N-Methylaspartate, Rats, Sprague-Dawley, Homeodomain Proteins, Rats, Paired Box Transcription Factors, Basic Helix-Loop-Helix Proteins

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