New Genetic Link to Male Infertility Identified by Hannah Joy on April 5, 2021 at 10:18 PM
Men who have the unstable Y chromosome are at higher risk of genomic rearrangements, which affect the sperm production process (spermatogenesis). This, in turn, makes men nine times more likely to have fertility issues, reveals a new study published in
eLife.
Molecular diagnostics of this genetic variant could help identify those at higher risk in their early adulthood, giving them the chance to make decisions about future family planning early on. Currently, the exact cause of infertility remains unknown in more than half of men with spermatogenic impairment.
Large study identified new genetic link to male infertility
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New genetic link to male infertility found
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The latest study report results for the first week of March.
The study does not include results for Paide in central Estonia this week as samples did not give a reliable picture of the situation, the university said. Veljo Kisand, Associate Professor of Molecular Ecology at the University of Tartu, said the sample from Paide was probably affected by the huge amount of snowmelt that had overly diluted human waste water. The E. coli content in the sample was also 100–1,000 times lower than usual. Normally, large quantities of the bacteria reach the sewage from the human digestive tract. This is why the Paide sample cannot be regarded as a reliable reflection of the actual coronavirus concentration, Kisand said.