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Plasma protein changes in horse after prolonged physical exercise: a proteomic study.
Fausto Scoppetta1, Micaela Tartaglia, Giovanni Renzone
1Biochemistry Laboratory, Sport Horse Research Centre, Department of Pathologic, Diagnostic and Clinical Veterinary Medicine, University of Perugia, 06126 Perugia, Italy.
Journal of Proteomics
|May 2, 2012
Summary
Novel protein biomarkers in horse plasma reveal metabolic changes after prolonged exercise. These findings aid in monitoring training and detecting exercise-related conditions in equine athletes.
Area of Science:
- Equine sports medicine
- Proteomics
- Biomarker discovery
Background:
- Physical exercise causes stress and metabolic adaptations in horses.
- Lack of biomarkers hinders monitoring of training and early detection of exercise-related diseases.
- Proteomic analysis offers a way to identify novel biomarkers.
Purpose of the Study:
- To investigate plasma protein modifications in horses after prolonged aerobic exercise.
- To identify potential biomarkers for monitoring training and health in equine athletes.
Main Methods:
- Proteomic approach using 2-DE (two-dimensional gel electrophoresis).
- Combined mass spectrometry procedures for protein identification.
- Analysis of plasma samples from horses post-endurance exercise.
Main Results:
- Significant quantitative changes in 38 protein spots from 13 genes were observed.
- Increased abundance of proteins involved in inflammation, immunity, and antioxidant activity (e.g., Cu amine oxidase, α-1 antitrypsin, caeruloplasmin).
- Decreased abundance of proteins related to transport, coagulation, and cellular integrity (e.g., haptoglobin, apolipoprotein A-I, fibrinogen).
Conclusions:
- Prolonged exercise significantly alters plasma protein profiles in horses.
- These protein changes reflect impacts on inflammation, coagulation, immunity, and oxidative stress pathways.
- Identified proteins serve as potential biomarkers for assessing exercise effects and equine health.
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