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<p>This study aimed to perform metabolic profiling of elite wrestlers across three weight categories and compare the metabolic shifts that occur during three simulated wrestling matches using a&#xa0;metabolomics approach. Ten elite wrestlers from different weight categories participated in three simulated matches on the same day. Each match followed international wrestling rules, consisting of two 3 min periods with a&#xa0;30 s break in between. Saliva samples were collected before and after each of the three matches and analyzed using liquid chromatography–mass spectrometry (LC-MS). The metabolic changes in lightweight wrestlers were primarily linked to the biosynthesis and metabolism of aromatic amino acids (phenylalanine, tyrosine, and tryptophan), along with the metabolism of glyoxylate and carboxylates. Enhanced aerobic carbohydrate metabolism, contributing to increased ATP production, was also observed in this group. Middleweight wrestlers exhibited notable involvement in purine and pyrimidine metabolism, while heavyweight wrestlers showed pronounced disturbances in glutathione and purine metabolism. Significant differences in both the quantity and type of metabolites were observed across the three weight categories following simulated wrestling matches. These findings highlight the importance of weight-specific metabolic considerations for optimizing training programs in elite wrestlers.</p>

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An exploratory sportomics analysis: metabolic profiling of elite wrestlers across weight categories during simulated matches

  • 期刊论文

  • 发表日期：

    2026年5月20日

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  • Foad Rahmani,
  • Bahman Mirzaei

摘要

This study aimed to perform metabolic profiling of elite wrestlers across three weight categories and compare the metabolic shifts that occur during three simulated wrestling matches using a metabolomics approach. Ten elite wrestlers from different weight categories participated in three simulated matches on the same day. Each match followed international wrestling rules, consisting of two 3 min periods with a 30 s break in between. Saliva samples were collected before and after each of the three matches and analyzed using liquid chromatography–mass spectrometry (LC-MS). The metabolic changes in lightweight wrestlers were primarily linked to the biosynthesis and metabolism of aromatic amino acids (phenylalanine, tyrosine, and tryptophan), along with the metabolism of glyoxylate and carboxylates. Enhanced aerobic carbohydrate metabolism, contributing to increased ATP production, was also observed in this group. Middleweight wrestlers exhibited notable involvement in purine and pyrimidine metabolism, while heavyweight wrestlers showed pronounced disturbances in glutathione and purine metabolism. Significant differences in both the quantity and type of metabolites were observed across the three weight categories following simulated wrestling matches. These findings highlight the importance of weight-specific metabolic considerations for optimizing training programs in elite wrestlers.