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Article Dans Une Revue Journal of visualized experiments : JoVE Année : 2023

Generating Retinal Injury Models in Xenopus Tadpoles

Résumé

Retinal neurodegenerative diseases are the leading causes of blindness. Among numerous therapeutic strategies being explored, stimulating self-repair recently emerged as particularly appealing. A cellular source of interest for retinal repair is the Müller glial cell, which harbors stem cell potential and an extraordinary regenerative capacity in anamniotes. This potential is, however, very limited in mammals. Studying the molecular mechanisms underlying retinal regeneration in animal models with regenerative capabilities should provide insights into how to unlock the latent ability of mammalian Müller cells to regenerate the retina. This is a key step for the development of therapeutic strategies in regenerative medicine. To this aim, we developed several retinal injury paradigms in Xenopus: a mechanical retinal injury, a transgenic line allowing for nitroreductase-mediated photoreceptor conditional ablation, a retinitis pigmentosa model based on CRISPR/Cas9-mediated rhodopsin knockout, and a cytotoxic model driven by intraocular CoCl2 injections. Highlighting their advantages and disadvantages, we describe here this series of protocols that generate various degenerative conditions and allow the study of retinal regeneration in Xenopus.
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Dates et versions

hal-04308410 , version 1 (27-11-2023)

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Karine Parain, Alicia Donval, Albert Chesneau, Jing Xian Lun, Caroline Borday, et al.. Generating Retinal Injury Models in Xenopus Tadpoles. Journal of visualized experiments : JoVE, 2023, 200, ⟨10.3791/65771⟩. ⟨hal-04308410⟩
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