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- Title
Association between angiotensin-converting enzyme gene polymorphism and competitive anxiety in Tunisian athlete.
- Authors
Znazen, Hela; Chtara, Mokhtar; Butovskaya, Marina; Siala, Hajer; Messaoud, Taieb; Souissi, Nizar
- Abstract
Objectives: The present study attempted to test whether the angiotensin-converting enzyme (ACE) genotypes can be associated with precompetitive anxiety that can be potentially used as predictors of athletic performance. Methods: Eighty-seven track and field athletes (47 males, 40 females; age 20.55 ± 2.22 years; body mass = 77.5 ± 7.1 kg, height = 170.7 ± 5.4 cm) competing at an international level voluntarily participated in this study. The athletes were prospectively classified into two groups according to their genetic polymorphism to physical efforts: endurance group (allele I, n = 48) and power group (allele D, n = 39). Suggested, this genetic predisposition was specifically associated with athlete's success in sports. Precompetitive anxiety was assessed before competition, and the ACE gene polymorphism was examined by polymerase chain reaction. Results: It was found that the score performances were associated with psychological factors. In carriers of allele I (related to the endurance), the self-confidence explained 18 % of the variance of score performance ( R = 0.46, R = 0.21, adjusted R = 0.15; F = 3.83, p < 0.02). In carriers of allele D (related to the power) ( R = 0.30, R = 0.09, adjusted R = 0.01; F = 1.19, p < 0.33), any factors of anxiety can explain the variance of performance. Conclusion: The current study is the first to interpret the relationship between the ACE gene and somatic anxiety, cognitive anxiety and self-confidence in sportsmen and has provided evidence of association between ACE I/D polymorphism predisposition and success in distance runners. Taking into account the effects of multiple comparisons, this result should be interpreted with caution and needs confirmation in a larger sample.
- Subjects
PHYSIOLOGICAL effects of angiotensins; THERAPEUTIC use of enzymes; COMPETITIVE state anxiety
- Publication
Sport Sciences for Health, 2016, Vol 12, Issue 2, p233
- ISSN
1824-7490
- Publication type
Article
- DOI
10.1007/s11332-016-0280-2