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Adult sox10+ Cardiomyocytes Contribute to Myocardial Regeneration in the Zebrafish.


ABSTRACT: During heart regeneration in the zebrafish, fibrotic tissue is replaced by newly formed cardiomyocytes derived from preexisting ones. It is unclear whether the heart is composed of several cardiomyocyte populations bearing different capacity to replace lost myocardium. Here, using sox10 genetic fate mapping, we identify a subset of preexistent cardiomyocytes in the adult zebrafish heart with a distinct gene expression profile that expanded after cryoinjury. Genetic ablation of sox10+ cardiomyocytes impairs cardiac regeneration, revealing that these cells play a role in heart regeneration.

SUBMITTER: Sande-Melon M 

PROVIDER: S-EPMC6856760 | BioStudies | 2019-01-01

REPOSITORIES: biostudies

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