Protein and peptide letters · 2025
Serum and Urinary Proteomic Signatures Revealing Redox and Metabolic Dysregulation in Acute Achilles Tendon Rupture.
СтатьяНазвание и аннотация: Перевод в очереди
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Qianman Bayixiati, Jiasharete Tuomilisi, Wupuer Aikeremu, Tuerxun Aerziguli, Jialihasi Ayidaer, Mamately Abuduhilil, Yeerbo Naertai, Shawutali Nuerai, Badalihan Ayinazi, Aisaiding Amuding, Redati Darebai, Wuerliebieke Jianati, Aizezi Adili, Bahesutihan Yemenlehan, Zhao Bo, Ainiwaer Nuermaimaiti, Jielile Jiasharete
Аннотация
INTRODUCTION: The etiology of acute Achilles tendon rupture (ATR) remains unclear. This study conducted a comprehensive case-control study of the proteome profile to gain insights into the potential pathogenesis of acute ATR and identify novel biomarkers.
METHODS: Serum (iTRAQ) and urine (label-free proteomics) from 15 acute ATR patients and 15 healthy controls were analyzed. Significant differential expression was defined as ≥1.2-fold (serum) or ≥2-fold (urine) change with p < 0.05. Bioinformatics analyses (GO, KEGG, PPI) were performed.
RESULTS: 44 serum and 198 urine proteins were differentially expressed. Enriched pathways included immune response, metabolism, immune response, and redox regulation. protein-protein interaction analysis of the differentially expressed proteins (P < 0.05) highlighted abnormalities in major protein-protein interaction hubs, specifically pyruvate kinase (PKM), peroxiredoxin-1 (PRDX1), phosphoglycerate kinase 1 (PKG1), profilin-1, and apolipoprotein A-IV, observed in the serum and urine samples of acute ATR patients.
DISCUSSION: Metabolic dysregulation may affect tendon structure/strength; redox imbalance could promote degeneration. Immune-related proteins may reflect injury responses. Glycolytic enzymes (PKM, PGK1) suggest disrupted energy metabolism.
CONCLUSION: Proteomic abnormalities in metabolism, immune, and redox pathways, along with key proteins (PKM, PRDX1, PGK1), may contribute to ATR pathogenesis, offering potential biomarkers warranting further validation.
METHODS: Serum (iTRAQ) and urine (label-free proteomics) from 15 acute ATR patients and 15 healthy controls were analyzed. Significant differential expression was defined as ≥1.2-fold (serum) or ≥2-fold (urine) change with p < 0.05. Bioinformatics analyses (GO, KEGG, PPI) were performed.
RESULTS: 44 serum and 198 urine proteins were differentially expressed. Enriched pathways included immune response, metabolism, immune response, and redox regulation. protein-protein interaction analysis of the differentially expressed proteins (P < 0.05) highlighted abnormalities in major protein-protein interaction hubs, specifically pyruvate kinase (PKM), peroxiredoxin-1 (PRDX1), phosphoglycerate kinase 1 (PKG1), profilin-1, and apolipoprotein A-IV, observed in the serum and urine samples of acute ATR patients.
DISCUSSION: Metabolic dysregulation may affect tendon structure/strength; redox imbalance could promote degeneration. Immune-related proteins may reflect injury responses. Glycolytic enzymes (PKM, PGK1) suggest disrupted energy metabolism.
CONCLUSION: Proteomic abnormalities in metabolism, immune, and redox pathways, along with key proteins (PKM, PRDX1, PGK1), may contribute to ATR pathogenesis, offering potential biomarkers warranting further validation.