Incomplete Recovery of Zebrafish Retina Following Cryoinjury.

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Version: Final published version
License: CC BY 4.0
Serval ID
serval:BIB_1A3CB13F391D
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Incomplete Recovery of Zebrafish Retina Following Cryoinjury.
Journal
Cells
Author(s)
Džulová D., Lawless D., Pinton G.G., Renner N.A., Schorderet D.F.
ISSN
2073-4409 (Electronic)
ISSN-L
2073-4409
Publication state
Published
Issued date
18/04/2022
Peer-reviewed
Oui
Volume
11
Number
8
Pages
1373
Language
english
Notes
Publication types: Journal Article
Publication Status: epublish
Abstract
Zebrafish show an extraordinary potential for regeneration in several organs from fins to central nervous system. Most impressively, the outcome of an injury results in a near perfect regeneration and a full functional recovery. Indeed, among the various injury paradigms previously tested in the field of zebrafish retina regeneration, a perfect layered structure is observed after one month of recovery in most of the reported cases. In this study, we applied cryoinjury to the zebrafish eye. We show that retina exposed to this treatment for one second undergoes an acute damage affecting all retinal cell types, followed by a phase of limited tissue remodeling and regrowth. Surprisingly, zebrafish developed a persistent retinal dysplasia observable through 300 days post-injury. There is no indication of fibrosis during the regeneration period, contrary to the regeneration process after cryoinjury to the zebrafish cardiac ventricle. RNA sequencing analysis of injured retinas at different time points has uncovered enriched processes and a number of potential candidate genes. By means of this simple, time and cost-effective technique, we propose a zebrafish injury model that displays a unique inability to completely recover following focal retinal damage; an outcome that is unreported to our knowledge. Furthermore, RNA sequencing proved to be useful in identifying pathways, which may play a crucial role not only in the regeneration of the retina, but in the first initial step of regeneration, degeneration. We propose that this model may prove useful in comparative and translational studies to examine critical pathways for successful regeneration.
Keywords
Animals, Heart Ventricles, Nerve Regeneration/physiology, Retina/physiology, Zebrafish/physiology, cryoinjury, regeneration, retina, zebrafish
Pubmed
Web of science
Open Access
Yes
Create date
02/05/2022 15:23
Last modification date
23/01/2024 8:21
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