Cited by 55Muscle Physiology and DisordersZebrafish Biomedical Research ApplicationsNutrition and Health in Aging

Zebrafish models of sarcopenia

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Daya, Alon, Donaka, Rajashekar, Karasik, David·2020·Disease Models & Mechanisms

Abstract

Sarcopenia - the accelerated age-related loss of muscle mass and function - is an under-diagnosed condition, and is central to deteriorating mobility, disability and frailty in older age. There is a lack of treatment options for older adults at risk of sarcopenia. Although sarcopenia's pathogenesis is multifactorial, its major phenotypes - muscle mass and muscle strength - are highly heritable. Several genome-wide association studies of muscle-related traits were published recently, providing dozens of candidate genes, many with unknown function. Therefore, animal models are required not only to identify causal mechanisms, but also to clarify the underlying biology and translate this knowledge into new interventions. Over the past several decades, small teleost fishes had emerged as powerful systems for modeling the genetics of human diseases. Owing to their amenability to rapid genetic intervention and the large number of conserved genetic and physiological features, small teleosts - such as zebrafish, medaka and killifish - have become indispensable for skeletal muscle genomic studies. The goal of this Review is to summarize evidence supporting the utility of small fish models for accelerating our understanding of human skeletal muscle in health and disease. We do this by providing a basic foundation of the (zebra)fish skeletal muscle morphology and physiology, and evidence of muscle-related gene homology. We also outline challenges in interpreting zebrafish mutant phenotypes and in translating them to human disease. Finally, we conclude with recommendations on future directions to leverage the large body of tools developed in small fish for the needs of genomic exploration in sarcopenia.

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Authors
Daya, A., Donaka, R., & Karasik, D.
Affiliations
  • Ruppin Academic Center (IL)
  • The Musculoskeletal Genetics Laboratory, The Azrieli Faculty of Medicine, Bar-Ilan University, Safed 130010, Israel
  • Bar-Ilan University (IL)
Corresponding author
Karasik, David
Venue
Disease Models & Mechanisms
Published
2020-03-01
Volume
13
Issue
3
Pages
dmm042689
ISSN
  • 1754-8403 (ISSN-L)
  • 1754-8411
OpenAlex
W3015072723
Cited by
55
References
143
Citations by year
2026: 4 · 2025: 9 · 2024: 15 · 2023: 14 · 2022: 5 · 2021: 5 · 2020: 3
FWCI
0.65
Type
journal article
Language
en
Open access
Locations
  • Disease Models & Mechanisms (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • HighWire Press Open Archive (submittedVersion)
Funders
Israel Science Foundation (1121/19)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Zebrafish Biomedical Research Applications
  • Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
Keywords
sarcopenia, zebrafish model, skeletal muscle, muscle mass, muscle strength, aging, frailty, teleosts, medaka, killifish, gene homology, genome-wide association study, animal models of human disease
MeSH terms
Animals, Disease Models, Animal, Zebrafish, Muscle, Skeletal, Biomedical Research, Genome-Wide Association Study, Sarcopenia

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