Embryo Development Current Events | Embryo Development News
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How do you know whether you are male or female?
New research published online this week in the open-access journal PLoS Biology investigates this basic and much-studied question in the fruit fly, and comes to a surprising new conclusion. view more (2007-12-27)
Scientists discover stage at which an embryonic cell is fated to become a stem cell
Cambridge scientists have discovered the stage at which some of the cells of a fertilised mammalian egg are fated to develop into stem cells and why this occurs. view more (2007-01-11)
Differences between parental selection for adoption and embryo donation unfair
The magnitude of the difference between the selection criteria for adoption and embryo donation is unfair and unjustifiable. The procedures should be reassessed, argues an analysis in the Journal of Medical Ethics. The differences hinge on the social and emotional suitability criteria for adoption - fitness to parent - and the medical suitability... view more... (2002-05-27)
The difference between fish and humans: scientists answer century-old developmental question
Embryologists at UCL (University College London) have helped solve an evolutionary riddle that has been puzzling scientists for over a century. view more (2007-10-11)
Toothed Embryo Of Mammoth
For the first time, a well-preserved lower jawbone of a mammoth embryo is found by paleontologist E.N. Mashchenko and his colleagues in the Tomsk area. Judging from the size and structure of the bone, the embryo is from 14 to 16 weeks old, which is the last stage of its development (the pregnancy of mammoths as well as elephants lasts for almost... view more... (2002-06-17)
Weizmann Institute scientists discover how an injured embryo can regenerate itself
More than 80 years have passed since the German scientist Hans Spemann conducted his famous experiment that laid the foundations for the field of embryonic development. view more (2008-06-26)
Digital zebrafish embryo provides the first complete developmental blueprint of a vertebrate
Researchers at the European Molecular Biology Laboratory (EMBL) have generated a digital zebrafish embryo - the first complete developmental blueprint of a vertebrate. With a newly developed microscope scientists could for the first time track all cells for the first 24 hours in the life of a zebrafish. view more (2008-10-10)
Cracking the egg
Sexual reproduction is not necessarily sexy (especially when scientists start analyzing it), but it is fascinating. As we all know, the basics entail bringing together an egg and a sperm, a whole lot of cell division and growth, and sooner or later a young organism that carries a mix of genes from both parents. view more (2006-10-04)
Secrets in a seed: Clues into the evolution of the first flowers
Approximately 120-130 million years ago, one of the most significant events in the history of the Earth occurred: the first flowering plants, or angiosperms, arose. view more (2009-09-15)
Generation and regeneration: a scientific media briefing on developmental biology
Might our descendants donate cells at birth which would be stored and grown into bone, skin, blood vessels and cartilage to replace tissues they damaged in accidents? This briefing will discuss how our cells are generated and how much we understand at the moment about regenerating tissues. Embryo development starts with a single cell and ends up... view more... (1999-03-23)
Parthenogenetic stem cells don`t solve embryo ethical problems
The isolation by Advanced Cell Technologies of primate stem cells derived from parthenogenetic embryos represents a significant technical development, but not the ethical breakthrough which the paper hopes for. Indeed it raises some disturbing ethical issues. view more (2002-02-01)
New gene may offer clues to infertility in both cows and women
A newly identified gene that controls embryo development in cows may someday offer clues into the cause of infertility in women. view more (2007-10-30)
First study to show that when counting frozen as well as fresh embryos, single embryo transfer does not reduce the chances of having a baby
Doctors in Australia have found that transferring one embryo instead of two during an IVF cycle does not reduce the chances of a woman having a baby, when frozen as well as fresh embryos are taken into account. Dr Jim Catt, Embryology director of Sydney IVF, Australia, and his colleagues have conducted the first study looking at cumulative... view more... (2003-06-27)
Jumping genes discovery 'challenges current assumptions'
Jumping genes do most of their jumping, not during the development of sperm and egg cells, but during the development of the embryo itself. view more (2009-06-12)
Gap junction protein vital to successful pregnancy, researchers find
Researchers studying a critical stage of pregnancy - implantation of the embryo in the uterus - have found a protein that is vital to the growth of new blood vessels that sustain the embryo. Without this protein, which is produced in higher quantities in the presence of estrogen, the embryo is unlikely to survive. view more (2008-09-11)
Identifying the metabolism of a healthy embryo could improve infertility treatment
Embryos that are most likely to result in a pregnancy are crucial to the success of in vitro fertilization (IVF) but are difficult to identify. Researchers at Yale School of Medicine, led by Emre Seli, M.D., are developing a fast, non-invasive test to help assess embryo viability for IVF. view more (2009-10-21)
Female Sterility And Local Immunity
Extracorporal fertilisation applied to sterility treatment has become not only a rescue for a lot of women, but also a convenient research method for physicians. The method can help detect previously unknown reasons for female sterility. The number of sterile married couple is growing worldwide: 20 to 30 percent of sterility cases are caused by... view more... (2004-04-16)
Changes in chromosomal constitution of preimplantation embryos suggest caution in genetic screening
Embryos that are selected out as abnormal can undergo chromosomal modifications, a scientist will tell the annual conference of the European Society of Human Genetics today. view more (2007-06-19)
New method of assessing women's eggs could enhance IVF success, Stanford study shows
Many couples who have trouble conceiving a child have turned to a process known as in vitro fertilization. The resulting embryos are then transferred back into the woman or placed in storage. view more (2009-03-24)
Therapeutic Cloning No Longer A Dream, Says Scientist Who Produced First Cloned Embryonic Stem Cell
A member of the team who were the first in the world to produce stem cells from a cloned human embryo told the 20th annual conference of the European Society for Human Reproduction and Embryology on Wednesday 30 June that the work could generate potentially unlimited undifferentiated stem cells. These could eventually be used for tissue repair and... view more... (2004-06-30)
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