Unilateral Zebrafish Corneal Injury Induces Bilateral Cell Plasticity Supporting Wound Closure

Overview

Journal Sci Rep

Specialty Science

Date 2022 Jan 8

PMID 34997071

Citations 5

Authors

Kaisa Ikkala

Vassilis Stratoulias

Frederic Michon

Affiliations

Soon will be listed here.

Abstract

The cornea, transparent and outermost structure of camera-type eyes, is prone to environmental challenges, but has remarkable wound healing capabilities which enables to preserve vision. The manner in which cell plasticity impacts wound healing remains to be determined. In this study, we report rapid wound closure after zebrafish corneal epithelium abrasion. Furthermore, by investigating the cellular and molecular events taking place during corneal epithelial closure, we show the induction of a bilateral response to a unilateral wound. Our transcriptomic results, together with our TGF-beta receptor inhibition experiments, demonstrate conclusively the crucial role of TGF-beta signaling in corneal wound healing. Finally, our results on Pax6 expression and bilateral wound healing, demonstrate the decisive impact of epithelial cell plasticity on the pace of healing. Altogether, our study describes terminally differentiated cell competencies in the healing of an injured cornea. These findings will enhance the translation of research on cell plasticity to organ regeneration.

Citing Articles

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