Selenium supplementation does not affect testicular selenium status or semen quality in North American men
Furthermore, a similar results were reported in a study of individuals with or without oligozoospermic which showed no significant association between DNA methylation in spermatozoa and the MTHFR C677T genotypes although a trend for higher incidence of methylation alterations in severe oligozoospermic infertile men with CT genotypes were observed 34 , suggesting that a much more complicated or indirect interactions between MTHFR polymorphism and methylation are involved
[DOI] [PMC free article] [PubMed] [Google Scholar] Zabocka-Sowiska K, Paczkowska S, Skrska K, Prescha A, Paweczyk K, Porbska I, Kosacka M, Grajeta H
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