Analyze Diet
The Veterinary clinics of North America. Equine practice2025; S0749-0739(24)00088-9; doi: 10.1016/j.cveq.2024.10.002

Genetics of Muscle Disease.

Abstract: In the field of equine muscle disorders, many conditions have a genetic basis. Therefore, genetic testing is an important part of the diagnostic evaluation. Validated genetic tests are currently available for 5 equine muscle disorders: hyperkalemic periodic paralysis, malignant hyperthermia, glycogen branching enzyme disease, type 1 polysaccharide storage myopathy, and myosin heavy chain myopathy. These diseases should be tested for in the appropriate breeds with clinical signs of disease or as part of breeding management. Genetic testing in veterinary medicine is not regulated, and therefore, any new genetic test offered in horses should be carefully evaluated and confirmed to be a valid test before use.
Publication Date: 2025-01-28 PubMed ID: 39880731DOI: 10.1016/j.cveq.2024.10.002Google Scholar: Lookup
The Equine Research Bank provides access to a large database of publicly available scientific literature. Inclusion in the Research Bank does not imply endorsement of study methods or findings by Mad Barn.
  • Journal Article
  • Review

Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

This research presents an analysis of five equine muscle disorders, highlighting their genetic basis and the significance of genetic testing as part of the diagnostic process. The paper also raises concerns about the lack of regulation for genetic testing in veterinary medicine and urges careful examination of any new genetic test before employing it.

Explanation of the Research

The focus of the research is on the genetic basis of equine muscle disorders. That is, how certain muscular diseases in horses are related to abnormalities in their genes. The importance of genetics in the horse’s health is highlighted, as many conditions that affect horses have a genetic basis.

In the paper, the researchers provide detailed coverage of five specific equine muscle disorders for which validated genetic tests are currently available:

  • Hyperkalemic periodic paralysis,
  • Malignant hyperthermia,
  • Glycogen branching enzyme disease,
  • Type 1 polysaccharide storage myopathy, and
  • Myosin heavy chain myopathy.

These genetic tests are critical in diagnosing these diseases. They can also be used for breeding management, helping breeders select horses that are less likely to pass on these genetic disorders.

Concerns Regarding the Regulation of Genetic Testing

The study also emphasizes a specific problem in veterinary medicine: the lack of regulation for genetic testing. In human medicine, there are strict standards and regulations for genetic tests to ensure their accuracy and reliability. Unfortunately, these safeguards are not currently extended to veterinary medicine.

The authors stress that any new genetic test offered in horses should be thoroughly evaluated to confirm its validity before use. This is because an incorrect or unreliable genetic test has the potential to lead to misdiagnosis, incorrect treatment, and poor management of breeding programs.

The research is an essential step towards understanding and managing equine muscle diseases. It underscores the need for more reliable and validated genetic tests in veterinary medicine, contributing to better disease diagnosis and improved breeding in horses.

Cite This Article

APA
Finno CJ. (2025). Genetics of Muscle Disease. Vet Clin North Am Equine Pract, S0749-0739(24)00088-9. https://doi.org/10.1016/j.cveq.2024.10.002

Publication

ISSN: 1558-4224
NlmUniqueID: 8511904
Country: United States
Language: English
PII: S0749-0739(24)00088-9

Researcher Affiliations

Finno, Carrie J
  • Department of Veterinary Population Health and Reproduction, School of Veterinary Medicine, University of California Davis, Room 4206 Vet Med 3A One Shields Avenue, Davis, CA 95616, USA. Electronic address: cjfinno@ucdavis.edu.

Conflict of Interest Statement

Disclosure A portion of proceeds from the genetic testing for MYHM that is performed at the UC Davis Veterinary Genetics Laboratory is returned to Dr C.J. Finno’s laboratory to support ongoing genetic research.

Citations

This article has been cited 0 times.