A team of researchers from the U.S., China and Taiwan has found some rare instances of fathers passing mitochondrial DNA (mtDNA) to their offspring. In their paper published in Proceedings of the National Academy of Sciences, ...
University of California, Berkeley, biologists have discovered the switch that triggers the power kick sperm use to penetrate and fertilize a human egg, uncovering a possible source of male infertility but also a potential ...
Mar 17, 2016
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A genetic study of over 24,000 parents and their children has shown that the children of teenage fathers have unexpectedly high levels of DNA mutations.
Feb 18, 2015
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Scientists at the Universities of Birmingham and Warwick have shed new light on how sperm navigate the female reproductive tract, 'crawling' along the channel walls and swimming around corners; with frequent collisions.
May 7, 2012
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New research from Oregon Health & Science University describes the science behind a promising technique to treat infertility by turning a skin cell into an egg that is capable of producing viable embryos.
Mar 8, 2024
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A novel screening system developed at Kyoto University enables researchers to investigate sperm cell development and health at the molecular level.
Mar 5, 2024
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Early in the development of sperm, a strange event happens: the X and Y chromosomes condense into tight packages and are sequestered away from the other 44 human chromosomes. If any part of this process goes awry, the cells ...
Feb 22, 2024
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Surveys show most men in the United States are interested in using male contraceptives, yet their options remain limited to unreliable condoms or invasive vasectomies. Recent attempts to develop drugs that block sperm production, ...
Feb 20, 2024
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Discovery of a pair of genes that work in perfect harmony to protect male fertility, could provide new insights into some unexplained cases of the most severe form of infertility, research suggests.
Feb 14, 2024
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Millions of couples worldwide experience infertility with half of the cases originating in men. For 10% of infertile males, little or no sperm are produced. Now, new research from the Stowers Institute for Medical Research, ...
Oct 20, 2023
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