Özet:

The aim of this study was to determine the allelic distribution of alpha- actinin-3 (ACTN3) R577X and angiotensin converting enzyme (ACE) I/D polymorphisms in a total of 24 elite young basketball players, 17 female and 7 male. DNA samples from the players were isolated from buccal cells by using commercial DNA isolation kit. Genotyping process for ACTN3 was carried out by polymerase chain reaction- restriction fragment length polymorphism (PCR- RFLP), and PCR for ACE. 16 of the examined players had RR, 6 had RX and 2 of the players had XX genotype for the ACTN3 R577X polymorphism. When we examine them according to genders, 11 of the 17 female players had RR, 4 had RX and 2 had XX genotypes. For males, 5 and 2 players had RR and RX genotypes, respectively. For ACE, 11 players were DD, 12 were ID and only one of them was II. 7 had DD and 10 had ID genotypes for the females; 4 had DD, 2 had ID and only one had II genotype. R allele of the ACTN3 was counted as 26 in females and 12 in males, whereas X allele was 8 in females and 2 in males. For ACE, D allele was counted as 24 in females and 10 in males, whereas I allele counted as 10 in females and 4 in males. Our results showed that ACTN3 RR genotype and R allele,ACE ID geotype and D allele dominated in our cohort. We hope that this first pilot study carried out in basketball players will guide further studies with extended numbers of players.

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