The Journal of sports medicine and physical fitness · 2006
The angiotensin converting enzyme I/D polymorphism in long distance runners.
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Hruskovicová H, Dzurenková D, Selingerová M, Bohus B, Timkanicová B, Kovács L
Аннотация
AIM: There is an assumption that ACE I/D polymorphism represents one of the possible genetic factors that might be associated with sports excellence. Recent studies have identified an increased frequency of I allele in elite endurance athletes, long distance runners, rowers and mountaineers. The aim of this study was to test the hypothesis that the ACE I/D polymorphism is associated with enhanced endurance performance.
METHODS: We examined this hypothesis by determining ACE I/D allele frequency in 215 marathon runners, 222 half-marathon runners and 18 inline skaters classified by performance (marathon competition results). ACE genotype and allele frequencies were compared with 252 healthy controls.
RESULTS: ACE genotype frequency in the whole cohort did not differ from that in the sedentary controls (P < 0.56). However, there was an increase of the I/I genotype incidence amongst successful marathon runners scoring on places from 1st to 150th (P < 0.01). These findings were confirmed in the group of inline skaters, similarly demonstrating an increase of the I/I genotype (P < 0.01). There was no association found between half marathon runners and the ACE genotype (P < 0.59).
CONCLUSIONS: An excess of the I allele in long distance runners confirms the association between the ACE I/D polymorphism and endurance sports performance.
METHODS: We examined this hypothesis by determining ACE I/D allele frequency in 215 marathon runners, 222 half-marathon runners and 18 inline skaters classified by performance (marathon competition results). ACE genotype and allele frequencies were compared with 252 healthy controls.
RESULTS: ACE genotype frequency in the whole cohort did not differ from that in the sedentary controls (P < 0.56). However, there was an increase of the I/I genotype incidence amongst successful marathon runners scoring on places from 1st to 150th (P < 0.01). These findings were confirmed in the group of inline skaters, similarly demonstrating an increase of the I/I genotype (P < 0.01). There was no association found between half marathon runners and the ACE genotype (P < 0.59).
CONCLUSIONS: An excess of the I allele in long distance runners confirms the association between the ACE I/D polymorphism and endurance sports performance.