CAG polymorphism of the androgen receptor gene in azoospermic and oligozoospermic men from Ukraine
2009
Fesai, O. A. | Kravchenko, S. A. | Tyrkus, M. Ya | Makuh, G. V. | Zinchenko, V. M. | Strelko, G. V. | Livshits, L. A.
An analysis of the number of CAG repeats in exon 1 of the gene was conducted in a group of 228 infertile males with azoospermia (n = 68) and oligozoospermia (n = 160), and in a control group (124 proven fathers) by means of polymerase chain reaction with subsequent fragment analysis on an ALF-Express automated fluorescent analyzer. Allele frequency with the number of CAG repeats ≤ 18 was found to be significantly higher (P < 0.01) in the group of patients with azoospermia (17.7%) as compared to the control group (2.4%), and in the group of patients with oligozoospermia (12.5%) as compared to the control group (2.4%). Allele frequency with the number of CAG repeats ≥ 28 was shown to be significantly higher (P < 0.01) in patients with oligozoospermia (12.5%) as compared to the control group (2.4%). Our data suggest an association between the number of CAG repeats and impaired spermatogenesis in azoospermic and oligozoospermic males.
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