Protein catabolism and high lipid metabolism associated with long-distance exercise are revealed by plasma NMR metabolomics in endurance horses.
Abstract: During long distance endurance races, horses undergo high physiological and metabolic stresses. The adaptation processes involve the modulation of the energetic pathways in order to meet the energy demand. The aims were to evaluate the effects of long endurance exercise on the plasma metabolomic profiles and to investigate the relationships with the individual horse performances. The metabolomic profiles of the horses were analyzed using the non-dedicated methodology, NMR spectroscopy and statistical multivariate analysis. The advantage of this method is to investigate several metabolomic pathways at the same time in a single sample. The plasmas were obtained before exercise (BE) and post exercise (PE) from 69 horses competing in three endurance races at national level (130-160 km). Biochemical assays were also performed on the samples taken at PE. The proton NMR spectra were compared using the supervised orthogonal projection on latent structure method according to several factors. Among these factors, the race location was not significant whereas the effect of the race exercise (sample BE vs PE of same horse) was highly discriminating. This result was confirmed by the projection of unpaired samples (only BE or PE sample of different horses). The metabolomic profiles proved that protein, energetic and lipid metabolisms as well as glycoproteins content are highly affected by the long endurance exercise. The BE samples from finisher horses could be discriminated according to the racing speed based on their metabolomic lipid content. The PE samples could be discriminated according to the horse ranking position at the end of the race with lactate as unique correlated metabolite. As a conclusion, the metabolomic profiles of plasmas taken before and after the race provided a better understanding of the high energy demand and protein catabolism pathway that could expose the horses to metabolic disorders.
Publication Date: 2014-03-21 PubMed ID: 24658361PubMed Central: PMC3962349DOI: 10.1371/journal.pone.0090730Google Scholar: Lookup
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- Journal Article
- Research Support
- Non-U.S. Gov't
Summary
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This research study examines how long-distance endurance exercise impacts the metabolic pathways in horses. Utilizing non-targeted NMR spectroscopy, this study captures changes in protein, energy, and lipid metabolisms, confirming that these metabolic processes are significantly affected by endurance exercise.
Overview of the Research
- This research aims to understand the effects of long-distance endurance exercise on the metabolic profiles of horses and how these changes correlate with individual racing performance.
- The study involved 69 horses taking part in three different endurance races (ranging from 130 to 160 km), with blood samples taken before and after the race to capture alterations in metabolic profiles.
Methodology
- Horses’ plasma metabolomic profiles were analyzed using Nuclear Magnetic Resonance (NMR) spectroscopy and multivariate statistical analysis.
- This non-dedicated method allows for a broad-spectrum analysis of multiple metabolomic pathways within a single sample.
- An orthogonal projection on latent structure method was also used to make comparisons among different influencing factors.
Key Findings
- Results showed no significant difference in metabolomic profiles based on race location. However, drastic changes were observed before and after the race, pointing towards the significant metabolic impact of prolonged exercise on horses.
- Specifically, long-distance endurance exercise resulted in noticeable changes in protein, energy, and lipid metabolisms, alongside glycoprotein content.
- Further, metabolomic lipid content in samples taken before the race (BE) could predict racing speed, suggesting a link between lipid metabolism and performance.
- Lactate, a metabolite linked to anaerobic metabolism and muscle fatigue, was the sole metabolite correlated with the horse’s ranking position at the end of the race in samples taken post exercise (PE).
Significance
- This research offers insights into how endurance exercise triggers various metabolic responses in racehorses, potentially leading to metabolic disorders.
- Such an understanding can help improve the management of racehorses’ health and maximize their performance.
Cite This Article
APA
Le Moyec L, Robert C, Triba MN, Billat VL, Mata X, Schibler L, Barrey E.
(2014).
Protein catabolism and high lipid metabolism associated with long-distance exercise are revealed by plasma NMR metabolomics in endurance horses.
PLoS One, 9(3), e90730.
https://doi.org/10.1371/journal.pone.0090730 Publication
Researcher Affiliations
- Unité de Biologie Intégrative et Adaptation à l'Exercice, Université d'Evry Val D'Essonne-Inserm, Evry, France.
- Génétique Animale et Biologie Intégrative, INRA, Jouy-en-Josas, France; Ecole Nationale Vétérinaire d'Alfort, Université Paris Est, Maisons-Alfort, France.
- Chimie Structures Propriétés de Biomatériaux et d'Agents Thérapeutiques, Université Paris 13 Sorbonne Paris Cité-CNRS, Bobigny, France.
- Unité de Biologie Intégrative et Adaptation à l'Exercice, Université d'Evry Val D'Essonne-Inserm, Evry, France.
- Génétique Animale et Biologie Intégrative, INRA, Jouy-en-Josas, France.
- Génétique Animale et Biologie Intégrative, INRA, Jouy-en-Josas, France.
- Unité de Biologie Intégrative et Adaptation à l'Exercice, Université d'Evry Val D'Essonne-Inserm, Evry, France; Génétique Animale et Biologie Intégrative, INRA, Jouy-en-Josas, France.
MeSH Terms
- Animals
- Energy Metabolism
- Horses / metabolism
- Lipid Metabolism
- Metabolomics
- Nuclear Magnetic Resonance, Biomolecular
- Physical Conditioning, Animal / physiology
- Physical Endurance / physiology
- Proteins / metabolism
Conflict of Interest Statement
The authors have declared that no competing interests exist.
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Citations
This article has been cited 14 times.- Mach N, Midoux C, Leclercq S, Pennarun S, Le Moyec L, Rué O, Robert C, Sallé G, Barrey E. Mining the equine gut metagenome: poorly-characterized taxa associated with cardiovascular fitness in endurance athletes.. Commun Biol 2022 Oct 3;5(1):1032.
- Park JW, Kim KH, Kim S, So JR, Cho BW, Song KD. Comparative metabolomic analysis in horses and functional analysis of branched chain (alpha) keto acid dehydrogenase complex in equine myoblasts under exercise stress.. J Anim Sci Technol 2022 Jul;64(4):800-811.
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- Mach N, Moroldo M, Rau A, Lecardonnel J, Le Moyec L, Robert C, Barrey E. Understanding the Holobiont: Crosstalk Between Gut Microbiota and Mitochondria During Long Exercise in Horse.. Front Mol Biosci 2021;8:656204.
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