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KMID : 0381120110330040407
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Genes and Genomics
2011 Volume.33 No. 4 p.407 ~ p.412
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Relationships between digit ratio (2D:4D), ACE gene polymorphism, and physical performance in the Korean population
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Kim Wook
Cho Hyun-Ik
Kim Ki-Cheol
So Young-Ho
Oh Jang-Gun
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Abstract
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The aim of this study is to assess the possible contribution of the ratio of the length of second-to-fourth digits (2D:4D) and angiotensin-converting enzyme (ACE) gene variants to differences in elite athletic performance. We have therefore examined a population-based association study in 151 Korean elite athletes and 183 controls with the digit ratio (2D:4D) and I/D polymorphism of ACE gene. Genotype distribution of the ACE gene showed no significant deviation from Hardy-Weinberg equilibrium in both groups of elite athletes and controls. No statistically significant difference in the distribution of the ACE genotype frequency was observed between the elite athletes and control groups. In contrast, the digit ratio (2D:4D) appeared to be statistically significant difference between the elite athletes and control groups (p<0.001), although there was no genotype effect of the ACE gene on the digit ratio (2D:4D) in this survey. Thus, our data are consistent with hypothesis that digit ratios, as markers for prenatal testosterone action may provide a significant effect on elite athlete status, although larger sample sizes functional studies are necessary to further substantiate these findings.
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KEYWORD
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Digit ratio, 2D:4D, ACE gene, I/D polymorphism, alleles, Physical performance
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