Phenotyping cardiomyopathy in adult zebrafish

Hypertrophic cardiomyopathy (HCM) is usually manifested by increased myofilament Ca2+ sensitivity, excessive contractility, and impaired relaxation. In contrast, dilated cardiomyopathy (DCM) originates from insufficient sarcomere contractility and reduced cardiac pump function, subsequently resultin...

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Bibliographic Details
Published in:Progress in biophysics and molecular biology 2018-10, Vol.138, p.116-125
Main Authors: Dvornikov, Alexey V., de Tombe, Pieter P., Xu, Xiaolei
Format: Article
Language:English
Subjects:
Cardiac remodeling
Cardiomyopathy
Sarcomere
Zebrafish
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Summary:Hypertrophic cardiomyopathy (HCM) is usually manifested by increased myofilament Ca2+ sensitivity, excessive contractility, and impaired relaxation. In contrast, dilated cardiomyopathy (DCM) originates from insufficient sarcomere contractility and reduced cardiac pump function, subsequently resulting in heart failure. The zebrafish has emerged as a new model of human cardiomyopathy with high-throughput screening, which will facilitate the discovery of novel genetic factors and the development of new therapies. Given the small hearts of zebrafish, better phenotyping tools are needed to discern different types of cardiomyopathy, such as HCM and DCM. This article reviews the existing models of cardiomyopathy, available morphologic and functional methods, and current understanding of the different types of cardiomyopathy in adult zebrafish.
ISSN:0079-6107
1873-1732
DOI:10.1016/j.pbiomolbio.2018.05.013