Journal
TRENDS IN MOLECULAR MEDICINE
Volume 16, Issue 4, Pages 193-202Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.molmed.2010.02.003
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Funding
- NEI NIH HHS [R01 EY013475-08, R01 EY013475, R01 EY013475-08S1] Funding Source: Medline
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The retina is subject to degenerative diseases that often lead to significant visual impairment. Non-mammalian vertebrates have the remarkable ability to replace neurons lost through damage. Fish, and to a limited extent birds, replace lost neurons by the dedifferentiation of Miller glia to a progenitor state followed by the replication of these neuronal progenitor cells. Over the past five years, studies have investigated whether regeneration can be stimulated in the mouse and rat retina. Several groups have reported that at least some types of neurons can be regenerated in the mammalian retina in vivo or in vitro, and that the regeneration of neurons can be stimulated using growth factors, transcription factors or subtoxic levels of excitatory amino acids. These recent results suggest that some part of the regenerative program that occurs in non-mammalian vertebrates remains in the mammalian retina, and could provide a basis to develop new strategies for retinal repair in patients with retinal degenerations.
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