Articles with the keyword: 
Further review of "three-parent" embryo technique
Darkfrog submitted, created time 9 months 3 weeks (www.nature.com)
This is another discussion of the mother-father-mitochondiadonor embryo that I mentioned the other day. It is significantly more revealing. It seems that the mitochondrial transfer involved moving nuclear DNA from the diseased embryo to the healthy one instead of into an ovum from another source.
It also discusses their methods. It seems that the exchange was performed in embryos that had failed in other experiments. The ten successes came from many failures. The specific success to failure ratio is not given. 
jiangyun submitted, created time 1 year 3 months (www.pnas.org)
Estrogen is known to influence pain, but the specific roles of the two estrogen receptors (ERs) in the spinal cord are unknown. In the present study, we have examined the expression of ER and ER in the spinal cord and have looked for defects in pain pathways in ER knockout (ER–/–) mice. In the spinal cords of 10-month-old WT mice, ER-positive cells were localized in lamina II, whereas ER-positive cells were mainly localized in lamina I
Ovary transplant produces embryo in sister
DanyC submitted, created time 1 year 3 months (www.newscientist.com)
A woman has produced an embryo after receiving an ovarian transplant from her sister. Crucially, the women received the graft from a sibling who was not her identical twin, the first time an embryo has been produced from such a match.
Embryos get better start with IVF on a chip
sumsung submitted, created time 1 year 4 months (www.eurekalert.org)
Can conception be replaced by an automated artificial uterus? Researchers in Japan are building a tiny womb-on-a-chip in which an egg and sperm are fed in at one end and an early embryo comes out the other, ready to implant in a real mother.
Study provides new data about the laws governing embryo development in organisms
bianjie submitted, created time 1 year 4 months (www.eurekalert.org)
Research aimed at understanding the mechanisms underlying embryo development has taken a step forward thanks to collaborative work between biologists specialized in the study of the fruit fly and scientists specialized in the design of mathematical models that simulate the functioning of biological systems.
Germany's embryo protection law is 'killing embryos rather than protecting them
bianjie submitted, created time 1 year 4 months (www.eurekalert.org)
Instead of preserving life, Germany's embryo protection law has had the unintended consequence of increasing the number of fetuses killed after fertility treatment, according to new figures presented at the European Society of Human Reproduction and Embryology. A representative of the German IVF registry has called for the law to be changed urgently to ensure that this situation does not continue.
The New Question: What to Do with Those Rescued Embryos?
BIOBOSS submitted, created time 1 year 5 months (www.genome-technology.com)
Scientists have found a way to create a line of human embryonic stem cells without destroying the embryo.
Structures of CSL, Notch and Mastermind proteins: piecing together an active transcription complex
athena submitted, created time 1 year 7 months (www.sciencedirect.com)
"Notch signaling mediates communication between cells, and is essential for proper cell fate decisions in the developing embryo and the adult organism. Signaling initiates proteolytic release of the receptor Notch from the membrane, whereupon the intracellular portion of Notch (NotchIC) localizes to the nucleus and engages the DNA-binding transcription factor CSL. CSL is required for both repression and activation of Notch target genes, and is the focal point of a transcriptional switch, mediating interactions with transcriptional coregulators
Female Butterflies Get Frisky When Males Become Scarce
catherine submitted, created time 1 year 9 months (www.sciam.com)
Common sense portends that when the males of a particular species suddenly become scarce, the females will have a tough time finding mates to fertilize their eggs. But new research, led by a group at University College London, finds that females do not resign themselves to forced virginity. Instead they become promiscuous scavengers, taking advantage of a single male's high capacity for mating.
Researchers found the populations had female-to-male ratios ranging from even to groups in which females outnumbered males 40 to one
Scientists Discover Stage At Which An Embryonic Cell Is Fated To Become A Stem Cell
Hunter9 submitted, created time 1 year 10 months (www.sciencedaily.com)
After fertilisation, the cells of the embryo at first undergo equal, symmetrical divisions and unequal, asymmetrical ones that direct smaller daughter cells towards the inside of the embryo. These become the inner cell mass of stem cells. Previously, it was believed that the mammalian embryo starts its development with identical cells and only as these inside and outside cells form do differences between cells first emerge
Researcher: Keep Embryonic Stem Cell Work
drunkard submitted, created time 1 year 10 months (www.cbsnews.com)
The author of a study on amniotic stem cells urged Congress on Tuesday not to consider his work a substitute for the search for disease-fighting material from embryonic stem cells.
"Some may be interpreting my research as a substitute for the need to pursue other forms of regenerative medicine therapies, such as those involving embryonic stem cells. I disagree with that assertion," wrote Anthony Atala of Wake Forest University, the author of a study published this week and widely seized upon by opponents of embryonic stem cell research as a more moral option
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