ACTN3 Genotype and Athletic Performance
Author Information
Author(s): Alfred Tamuno, Ben-Shlomo Yoav, Cooper Rachel, Hardy Rebecca, Cooper Cyrus, Deary Ian J, Gunnell David, Harris Sarah E, Kumari Meena, Martin Richard M, Moran Colin N, Pitsiladis Yannis P, Ring Susan M, Sayer Avan Aihie, Smith George Davey, Starr John M, Kuh Diana
Primary Institution: University of Bristol
Hypothesis
The ACTN3 R577X genotype may be associated with athletic status and physical capability.
Conclusion
The study found that the ACTN3 R577X genotype is more common among sprint/power athletes in Europeans, but does not significantly influence physical capability in the general population.
Supporting Evidence
- The RR genotype is more common among sprint/power athletes compared to controls.
- No evidence was found that the X allele is advantageous for endurance athleticism.
- No association was found between R577X and grip strength in the general population.
Takeaway
This study looked at how a specific gene might help people be better athletes. It found that one version of the gene is more common in sprinters, but it doesn't really help with everyday physical tasks.
Methodology
A systematic review and meta-analysis of studies comparing ACTN3 genotype frequencies between athletes and controls, along with physical capability assessments in various cohorts.
Potential Biases
Potential bias due to the diversity of sports and levels of achievement among athletes in the included studies.
Limitations
The study could not obtain genotype frequencies from one large study and lacked precise athletic phenotypes among the athletic groups.
Participant Demographics
Participants included individuals aged 10 to 90+ years from various cohorts, primarily Europeans.
Statistical Information
P-Value
0.09
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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