Embryos Current Events | Embryos News | 4
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Single thawed embryo transfer after PGD does not affect pregnancy rates
Transferring just one embryo at a time to a woman's womb after embryos have undergone preimplantation genetic diagnosis (PGD) and freezing at the blastocyst stage has become a real option after researchers achieved pregnancy rates that were as good as those for blastocysts that had not had a cell removed for PGD before freezing. view more (2009-06-30)
Study finds healthy intestinal bacteria within chicken eggs: Finding could have important implications for poultry industry, food safety
The conventional wisdom among scientists has long been that birds acquire the intestinal bacteria that are necessary for good health from their environment, but a new University of Georgia study finds that chickens are actually born with those bacteria. view more (2008-06-04)
Jefferson researchers find nanoparticle shows promise in reducing radiation side effects
Using transparent zebrafish embryos, researchers at Jefferson Medical College have shown that a microscopic nanoparticle can help fend off damage to normal tissue from radiation. view more (2005-11-15)
Scientists trace molecular origin of proportional development
When it comes to embryo formation in the lowly fruit fly, a little molecular messiness actually leads to enhanced developmental precision, according to a study in the Oct. 14 Developmental Cell from Cincinnati Children's Hospital Medical Center. view more (2008-10-14)
How IVF could be causing genetic errors in embryos
The conditions in which embryos are cultured in the laboratory during in vitro fertilisation could be causing genetic errors that are associated with certain developmental syndromes and other abnormalities in growth and development, such as low birth weight. view more (2006-06-19)
Should embryos with a hereditary disorder be transferred if no unaffected embryos are available?
The numbers of cycles of preimplantation genetic diagnosis or screening are rising steadily in Europe with over 2,700 reported in 2004 (the most recent year for which data are available). view more (2008-07-08)
First calves from gene diagnosed embryos born at MTT Agrifood Research Finland
Results from quantitative trait gene mapping (QTL) have been utilised for the first time in the selection of bovine embryos. The genotypes of two genes affecting milk yield and composition have been analysed from pre-implantation embryo biopsies. The first four female calves with known milk production genotypes were recently born at the... view more... (2003-08-14)
Birth defect gene identified
Birth defects of the face and skull are relatively common in humans, striking one in 500 to 1,000 babies. Defects can include cleft lip or palate, congenitally missing teeth and severe malformations of the skull. view more (2005-12-23)
Reproductive tourism: Italy faces 'womb drain' as ART becomes better and safer in other European countries
Vienna, Austria: Fertility experts meeting in Vienna are warning that Italy risks facing a "womb drain" as Italian women start going to other countries for safer and more effective assisted reproduction. At present "reproductive tourists" travel to Italy to take advantage of its lack of regulations for IVF techniques, but this... view more... (2002-07-01)
How insulin-producing cells develop -- new finding could help fight against diabetes
A key aspect of how embryos create the cells which secrete insulin is revealed in a new study published tomorrow (18 May) in the Journal of Biological Chemistry. view more (2007-05-18)
New hope for regenerative medicine
In the February 15th issue of G&D, Dr. K. John McLaughlin and colleagues report on their success in using uniparental embryonic stem cells to replace blood stem cells in mice. view more (2007-02-15)
Chromosomal chaos in early embryonic development is linked to abnormalities in cytokinesis and spindle formation
Berlin, Germany: Abnormalities in the spindles (the bi-polar thread like structures that link and pull the chromosomes during cell division) of human embryos before implantation may be the primary reason for many of the chromosome defects observed in early human development, a scientist said on Wednesday 30 June 2004 at the 20th annual conference... view more... (2004-06-29)
New method of testing eggs for abnormalities could solve problems of embryo freezing
Italian researchers have shown for the first time that it is possible to test a woman's egg, before fertilisation, for chromosomal abnormalities that might make an embryo less likely to implant successfully or more likely to miscarry at a later stage. view more (2006-06-19)
Dartmouth professor makes case for ethically universal stem cell lines
Human embryonic stem cells (hESC), those very young cells that are a biological blank slate, have the potential to become more specialized, contributing to the workings of a wide variety of organs and tissues. view more (2007-06-08)
Don't ban embryo-based research says new chairman of European fertility organisation
The incoming chairman of an organisation representing over 4,000 international fertility experts has urged the EU not to go down the road of attempting to ban research on embryonic stem cells. Professor Arne Sunde, who takes over tomorrow as chairman of the European Society of Human Reproduction and Embryology, told a news briefing today (Monday... view more... (2003-06-27)
Animal eggs not suitable substitutes to produce stem cells
Since the cloning of Dolly the Sheep over a decade ago, somatic cell nuclear transfer (SCNT) has been considered a promising way to generate human, patient-specific stem cells for therapeutic applications. view more (2009-02-03)
New role for tamoxifen as fertility drug for breast cancer patients?
US fertility experts have discovered a potential new role for the wonder drug tamoxifen - helping breast cancer patients to have babies by IVF. In a study published today (Wednesday 8 January) in Europe's leading reproductive medicine journal Human Reproduction [1], researchers from New York's Cornell University report the first IVF pregnancy to... view more... (2003-01-03)
Europe's healthcare systems supports trend for quality and quantity in ART
Madrid, Spain: Europe's systems for healthcare are generally more able to support couples seeking fertility treatment than anywhere else in the world, experts will tell the annual meeting of the European Society of Human Reproduction and Embryology today (Wednesday, 2 July). view more (2003-07-01)
New fertility guidelines limit embryo transfers
The March of Dimes applauds new fertility treatment guidelines from the American Society of Reproductive Medicine (ASRM) calling for a limited number of embryos - in some cases only one - to be transferred during in-vitro fertilization procedures. view more (2006-10-25)
The skeleton: Size matters
Vertebrates have in common a skeleton made of segments, the vertebrae. During development of the embryo, each segment is added in a time dependent manner, from the head-end to the tail-end: the first segments to be added become the vertebrae of the neck, later segments become the vertebrae with ribs and the last ones the vertebra located in the... view more... (2009-10-28)
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