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Establishment and Characterization of a Unilateral UV-Induced Photoreceptor Degeneration Model in the C57Bl/6J Mouse
PURPOSE: To investigate whether UV irradiation of the mouse eye can induce photoreceptor degeneration, producing a phenotype reminiscent of the rd10 mouse, left eyes of female C57Bl/6J mice were irradiated with a UV LED array (370 nm). A lens was placed between the cornea and LED, allowing illuminat...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
The Association for Research in Vision and Ophthalmology
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7443125/ https://www.ncbi.nlm.nih.gov/pubmed/32879777 http://dx.doi.org/10.1167/tvst.9.9.21 |
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author | Meer, Anna-Marina van der Berger, Tanja Müller, Frank Foldenauer, Ann Christina Johnen, Sandra Walter, Peter |
author_facet | Meer, Anna-Marina van der Berger, Tanja Müller, Frank Foldenauer, Ann Christina Johnen, Sandra Walter, Peter |
author_sort | Meer, Anna-Marina van der |
collection | PubMed |
description | PURPOSE: To investigate whether UV irradiation of the mouse eye can induce photoreceptor degeneration, producing a phenotype reminiscent of the rd10 mouse, left eyes of female C57Bl/6J mice were irradiated with a UV LED array (370 nm). A lens was placed between the cornea and LED, allowing illumination of about one-third of the retina. The short-term and long-term effects on the retina were evaluated. METHODS: First, a dose escalation study, in which corneal dosages between 2.8 and 9.3 J/cm(2) were tested, was performed. A dosage of 7.5 J/cm(2) was chosen for the following characterization study. Before and after irradiation slit-lamp examinations, full-field electroretinography, spectral domain optical coherence tomography and macroscopy were performed. After different time spans (5 days to 12 weeks) the animals were sacrificed and the retinae used for immunohistochemistry or multielectrode array testing. Right eyes served as untreated controls. RESULTS: In treated eyes, spectral domain optical coherence tomography revealed a decrease in retinal thickness to 53%. Full-field electroretinography responses decreased significantly from day 5 on in treated eyes. Multielectrode array recordings revealed oscillatory potentials with a mean frequency of 5.2 [Formula: see text] 0.6 Hz in the illuminated area. Structural changes in the retina were observed in immunohistochemical staining. CONCLUSIONS: UV irradiation proved to be efficient in inducing photoreceptor degeneration in the mouse retina, while leaving the other retinal layers largely intact. The irradiated area of treated eyes can be identified easily in spectral domain optical coherence tomography and in explanted retinae. TRANSLATIONAL RELEVANCE: This study provides information on anatomic and functional changes in UV-treated retina, enabling the use of this model for retinitis pigmentosa-like diseases in animals suited for experimental retinal surgery. |
format | Online Article Text |
id | pubmed-7443125 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2020 |
publisher | The Association for Research in Vision and Ophthalmology |
record_format | MEDLINE/PubMed |
spelling | pubmed-74431252020-09-01 Establishment and Characterization of a Unilateral UV-Induced Photoreceptor Degeneration Model in the C57Bl/6J Mouse Meer, Anna-Marina van der Berger, Tanja Müller, Frank Foldenauer, Ann Christina Johnen, Sandra Walter, Peter Transl Vis Sci Technol Article PURPOSE: To investigate whether UV irradiation of the mouse eye can induce photoreceptor degeneration, producing a phenotype reminiscent of the rd10 mouse, left eyes of female C57Bl/6J mice were irradiated with a UV LED array (370 nm). A lens was placed between the cornea and LED, allowing illumination of about one-third of the retina. The short-term and long-term effects on the retina were evaluated. METHODS: First, a dose escalation study, in which corneal dosages between 2.8 and 9.3 J/cm(2) were tested, was performed. A dosage of 7.5 J/cm(2) was chosen for the following characterization study. Before and after irradiation slit-lamp examinations, full-field electroretinography, spectral domain optical coherence tomography and macroscopy were performed. After different time spans (5 days to 12 weeks) the animals were sacrificed and the retinae used for immunohistochemistry or multielectrode array testing. Right eyes served as untreated controls. RESULTS: In treated eyes, spectral domain optical coherence tomography revealed a decrease in retinal thickness to 53%. Full-field electroretinography responses decreased significantly from day 5 on in treated eyes. Multielectrode array recordings revealed oscillatory potentials with a mean frequency of 5.2 [Formula: see text] 0.6 Hz in the illuminated area. Structural changes in the retina were observed in immunohistochemical staining. CONCLUSIONS: UV irradiation proved to be efficient in inducing photoreceptor degeneration in the mouse retina, while leaving the other retinal layers largely intact. The irradiated area of treated eyes can be identified easily in spectral domain optical coherence tomography and in explanted retinae. TRANSLATIONAL RELEVANCE: This study provides information on anatomic and functional changes in UV-treated retina, enabling the use of this model for retinitis pigmentosa-like diseases in animals suited for experimental retinal surgery. The Association for Research in Vision and Ophthalmology 2020-08-12 /pmc/articles/PMC7443125/ /pubmed/32879777 http://dx.doi.org/10.1167/tvst.9.9.21 Text en Copyright 2020 The Authors http://creativecommons.org/licenses/by-nc-nd/4.0/ This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. |
spellingShingle | Article Meer, Anna-Marina van der Berger, Tanja Müller, Frank Foldenauer, Ann Christina Johnen, Sandra Walter, Peter Establishment and Characterization of a Unilateral UV-Induced Photoreceptor Degeneration Model in the C57Bl/6J Mouse |
title | Establishment and Characterization of a Unilateral UV-Induced Photoreceptor Degeneration Model in the C57Bl/6J Mouse |
title_full | Establishment and Characterization of a Unilateral UV-Induced Photoreceptor Degeneration Model in the C57Bl/6J Mouse |
title_fullStr | Establishment and Characterization of a Unilateral UV-Induced Photoreceptor Degeneration Model in the C57Bl/6J Mouse |
title_full_unstemmed | Establishment and Characterization of a Unilateral UV-Induced Photoreceptor Degeneration Model in the C57Bl/6J Mouse |
title_short | Establishment and Characterization of a Unilateral UV-Induced Photoreceptor Degeneration Model in the C57Bl/6J Mouse |
title_sort | establishment and characterization of a unilateral uv-induced photoreceptor degeneration model in the c57bl/6j mouse |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7443125/ https://www.ncbi.nlm.nih.gov/pubmed/32879777 http://dx.doi.org/10.1167/tvst.9.9.21 |
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