The effect of polymorphisms C677T and А1298С gene MTHFR on the reproductive function of men


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References. Disturbances of spermogram parameters are associated with infertility in men and are determined by polymorphisms of many genes involved in spermatogenesis. Folate metabolism plays an important role in spermatogenesis, as it is involved in the synthesis, repair and methylation of DNA. Objective: the distribution of C677T (rs1801133) and A1298C (rs1801131) polymorphisms of the MTHFR gene among infertile and fertile men in the Moscow region and to identify a possible Association of these polymorphisms with the risk of pathospermia. Materials and methods: the study included 127 infertile men with different forms of pathospermia and 68 fertile men (with one or more children). Genotyping of polymorphisms (C677T and A1298C) gene MTHFR was performed by real-time polymerase chain reaction (PCR-RV). Results. Analysis of the distribution of MTHFR genotypes (C677T and A1298C) revealed no significant differences in the distribution of genotypes in groups of infertile and fertile men. The frequency of minor allele 1298S in asthenospermia was 52%, in teratospermia was 36% and in men with azzospermia - 33% (х2=8.67; p=0.003). Discussion. To date, there are no published results on the study of the Association of polymorphisms of folate-metabolizing enzyme genes with the development of pathospermia among men in the Moscow region. The results of our study demonstrate that А1298С polymorphism of the MTHFR gene may be involved in the etiology of male infertility in patients of the Moscow region. Conclusion. Comparative analysis of gene and genotype frequencies by the studied polymorphisms in infertile men with different forms of pathospermia showed an associative relationship of allele 1298C of MTHFR gene with the risk of asthenozoospermia (p<0.05).

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Sobre autores

N. Kulchenko

Peoples’ Friendship University of Russia

Email: kle-kni@mail.ru

G. Myandina

Peoples’ Friendship University of Russia

Email: myandina_ gi@pfur.ru

H. Alhejoj

Peoples’ Friendship University of Russia

Email: alhedjoj_hasan@mail.ru

E. Tarasenko

Peoples’ Friendship University of Russia

Email: tarasenko_ ev@inbox.ru

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