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Home / Equine Research Bank / Comp Biochem Physiol A Comp Physiol / Muscle buffering capacity and dipeptide content in the thoro...
Comparative biochemistry and physiology. A, Comparative physiology1990; 97(2); 249-251; doi: 10.1016/0300-9629(90)90180-z

Muscle buffering capacity and dipeptide content in the thoroughbred horse, greyhound dog and man.

Abstract: 1. Muscle buffering capacity (beta m) and dipeptide content were measured in locomotory muscles of the Thoroughbred horse, Greyhound dog and Man. 2. Beta m and carnosine contents were highest in the horse. Anserine was only found in dog muscle. 3. The higher beta m in horse and dog muscle, compared with man, appears to be predominantly due to higher muscle contents of histidine containing dipeptides in these species.
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Publication Date: 1990-01-01 PubMed ID: 1982938DOI: 10.1016/0300-9629(90)90180-zGoogle Scholar: Lookup
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  • Comparative Study
  • Journal Article
  • Research Support
  • Non-U.S. Gov't

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 studies the muscle buffering capacity and dipeptide content in thoroughbred horses, greyhound dogs, and humans. The results reveal that horses have the highest buffering capacity and dipeptide content, while dogs were the only specimen with detectable levels of the dipeptide, anserine.

Understanding Buffering Capacity and Dipeptide Content

  • Buffering capacity in this context refers to the ability of muscle to resist changes in acidity or pH during exercise. Increased buffering capacity allows for longer periods of intense physical activity.
  • Dipeptides are pairs of amino acids. The studied dipeptides, carnosine and anserine, have buffering properties in muscle tissue. Carnosine is found in most mammals, including horses and humans but the study reveals that anserine was only found in dogs.

Comparative Analysis Across Species

  • The study compares the muscle buffering capacities and dipeptide contents of thoroughbred horses, greyhound dogs, and humans.
  • The results show that horses possess the highest buffering capacity and carnosine content of the three species. Humans had lower levels of these aspects, while the greyhound dogs were the only species with detectable levels of anserine.

Implications of the Research

  • This research implies that the high performance of thoroughbred horses and greyhound dogs in physical activities could be due to their higher muscle buffering capacities.
  • Higher buffering capacity can lead to increased physical endurance and performance as it allows for prolonged periods of intense physical activity by resisting changes in muscle acidity or pH.
  • The presence of anserine only in greyhound dogs could also add an additional layer to their physical capabilities but requires further research for confirmation.

Contributions to Science

  • The research presents an insightful comparison of muscle biochemistry across different species, enhancing understanding of the differences in their physical capabilities and performances.
  • The findings can be instrumental in areas like animal physiology, sports science, and in designing more effective physical training or therapies for humans.

Cite This Article

APA
Harris RC, Marlin DJ, Dunnett M, Snow DH, Hultman E. (1990). Muscle buffering capacity and dipeptide content in the thoroughbred horse, greyhound dog and man. Comp Biochem Physiol A Comp Physiol, 97(2), 249-251. https://doi.org/10.1016/0300-9629(90)90180-z

Publication

Comparative biochemistry and physiology. A, Comparative physiology
ISSN: 0300-9629
NlmUniqueID: 1276312
Country: England
Language: English
Volume: 97
Issue: 2
Pages: 249-251

Researcher Affiliations

Harris, R C
  • Department of Comparative Physiology, Animal Health Trust, Newmarket, U.K.
Marlin, D J
    Dunnett, M
      Snow, D H
        Hultman, E

          MeSH Terms

          • Animals
          • Anserine / metabolism
          • Buffers
          • Carnosine / metabolism
          • Dogs
          • Horses
          • Humans
          • Hydrogen-Ion Concentration
          • Muscles / metabolism

          Citations

          This article has been cited 34 times.
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