Over the last six years a group of Estonian geneticists led by Associate Professor Agne Velthut-Meikas and Ph.D. student Ilmatar Rooda from the TalTech Department of Chemistry and Biotechnology have studied genes previously ...
May 6, 2020
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A team of reproductive biologists at Nanjing Agricultural University has found that spermidine, a polyamine metabolite, helps oocytes clear away damaged mitochondria in mice, thereby improving mitophagy during female reproductive ...
(HealthDay)—The demand for fertility preservation is increasing, and methods to address it include oocyte cryopreservation and ovarian-tissue cryopreservation, according to a review article published online Oct. 25 in the ...
Oct 27, 2017
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(Medical Xpress) -- A study published in Genes and Development from scientists at the Friedrich Miescher Institute for Biomedical Research pinpoints the importance of maternal epigenetic influences during early embryogenesis ...
May 7, 2012
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For the first time, Massachusetts General Hospital (MGH) researchers have isolated egg-producing stem cells from the ovaries of reproductive age women and shown these cells can produce what appear to be normal egg cells or ...
Feb 26, 2012
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A team of researchers with several members affiliated with Kyoto University and one with Tokyo Medical and Dental University has found a way to restore fertility to mice models with granulosa communication problems. In their ...
A higher number of eggs retrieved in an IVF treatment cycle is independently associated with more chromosomally normal embryos available for transfer, according to a new Australian study. However, the benefit of a greater ...
Jul 3, 2017
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A UNSW researcher explores the biology of infertility, and explains how a recent study in mice contributes to our understanding of reproductive aging, with the aim of improving IVF success rates in humans.
Feb 12, 2020
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Inheriting a normal and intact number of chromosomes in germ cells, egg and sperm, is essential for the preservation of all species. With increasing age, the risk of the egg cell not inheriting the normal set of chromosomes ...
Feb 4, 2022
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An existing drug may one day protect premenopausal women from life-altering infertility that commonly follows cancer treatments, according to a new study.
Sep 1, 2017
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An oocyte, ovocyte, or rarely ocyte, is a female gametocyte or germ cell involved in reproduction. In other words, it is an immature ovum, or egg cell. An oocyte is produced in the ovary during female gametogenesis. The female germ cells produce a primordial germ cell (PGC) which undergoes a mitotic division to form an oogonium. During oogenesis the oogonium becomes a primary oocyte (pronounced oh'a-site).
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