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Variants within the MMP3 and COL5A1 genes associate with soft tissue injury history in elite male rugby athletes

Jon Brazier, Mark R. Antrobus, Peter C. Callus, Adam J. Herbert, Georgina K. Stebbings, Daniel Martin, Stephen H. Day, Liam Kilduff Orcid Logo, Mark Bennett, Robert M. Erskine, Stuart M. Raleigh, Tom Cullen, Malcolm Collins, Yannis P. Pitsiladis, Shane Heffernan Orcid Logo, Alun Williams

Journal of Science and Medicine in Sport

Swansea University Authors: Liam Kilduff Orcid Logo, Mark Bennett, Shane Heffernan Orcid Logo, Alun Williams

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Abstract

Objectives:To investigate associations between genetic variants within COLGALT1, COL1A1, COL3A1, COL5A1, KDR, MIR608, MMP3, NID1, TIMP2 and VEGFA and injury history in elite male rugby athletes.Design: A case-control genetic association study was conducted on 184 elite male rugby athletes.Methods: P...

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Published in: Journal of Science and Medicine in Sport
ISSN: 1440-2440
Published: Elsevier BV 2025
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URI: https://cronfa.swan.ac.uk/Record/cronfa69517
Abstract: Objectives:To investigate associations between genetic variants within COLGALT1, COL1A1, COL3A1, COL5A1, KDR, MIR608, MMP3, NID1, TIMP2 and VEGFA and injury history in elite male rugby athletes.Design: A case-control genetic association study was conducted on 184 elite male rugby athletes.Methods: Participants were genotyped for 13 genetic polymorphisms previously associated with soft tissue injury using standard PCR assays. Injury data were collected via a self-reported injury-history questionnaire. Single-locus association and Total Genotype Score (TGS) analyses were conducted using χ2 tests. In addition, multifactor dimensionality reduction and inferred haplotype analysis were used to identify genetic interactions.Results:The TT genotype of MMP3 rs679620 was underrepresented in the non-injured ligament group compared to the ligament sprain and ligament rupture groups (10%, 32%, 25%; P < 0.04, respectively). The T allele of MMP3 rs679620 was overrepresented in the non-injured tendon group compared to the tendinopathy group (50%, 38%; P < 0.02). The proportion of C allele carriers of COL5A1 rs12722 was higher in the tendon rupture group than the non-injured tendon group (96%, 75%; P < 0.02). Furthermore, the T-C inferred haplotype frequency of COL5A1 rs12722 and COL5A1 rs3196378 was higher in the tendon rupture, ligament sprain and total injured athlete groups compared to their respective non-injured groups (P < 0.02).Conclusion:This study is the first to identify associations between MMP3 rs679620 and COL5A1 rs12722 and soft-tissue injury history in elite male rugby athletes. These findings support the growing evidence that soft-tissue injury could be influenced by an athlete’s genetic predisposition.
Keywords: Genetics; Rugby; Tendon; Ligament; Soft Tissue; Elite
College: Faculty of Science and Engineering
Funders: This research received no specific grant from any funding agency in the public, commercial, or not-for-profit sectors.