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Association of COA1 with Patellar Tendonitis: A Genome-wide Association Analysis
Stuart K Kim1, Condor Nguyen1, Brandon H Horton2
1Department of Developmental Biology, Stanford University School of Medicine, Stanford, CA.
Medicine and Science in Sports and Exercise
|June 3, 2021
Summary
Genetic factors may predispose athletes to patellar tendinopathy. This study identified genetic markers in the COA1 gene associated with this condition, suggesting a potential risk factor. Further research is needed.
Area of Science:
- Genetics
- Sports Medicine
- Orthopedics
Background:
- Patellar tendinopathy affects athletes, but the reasons for individual susceptibility remain unclear despite similar training loads.
- Genetic variations may play a role in differentiating athletes who develop patellar tendinopathy from those who do not.
Purpose of the Study:
- To conduct a genome-wide screening to identify genetic markers associated with patellar tendinopathy.
- To explore the genetic underpinnings of patellar tendinopathy susceptibility in athletes.
Main Methods:
- Genome-wide association (GWA) analyses were conducted using data from the Kaiser Permanente Research Board (KPRB) and the UK Biobank.
- Patellar tendinopathy cases were identified via electronic health records. Logistic regression models adjusted for covariates, and a meta-analysis combined results from both cohorts.
Main Results:
- The study included 1670 cases and 293,866 controls across the two cohorts.
- Genome-wide significant associations were found for two single nucleotide polymorphisms within the intron of the cytochrome c oxidase assembly factor 1 (COA1) gene in the meta-analysis.
Conclusions:
- Genetic markers within the COA1 gene appear to be associated with patellar tendinopathy.
- These findings suggest COA1 may represent a potential genetic risk factor for patellar tendinopathy, warranting further investigation into its molecular mechanisms.
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