Is the relinquishment and transfer of genetic parental rights
in embryo placement complicated by a lack of clarity regarding the parental status of the genetic couple?
Issues and ethics related to embryo placement: a national discussion
(12.) Magli MC, Gianaroli L, Ferraretti AP; Chromosomal abnormalities
in embryos. Mol Cell Endocrinol 2001; 183 (Suppl.
A preliminary study on chromosome aneuploidy & mosaicism in early pre-implantation human embryo by fluorescence in situ hybridization
Identifying the symbolic component
in embryo research (and other biological controversies) is essential to sharpen debate and give competing considerations their due.
Symbolic issues in embryo research
In nonexposed embryos, we detected no luciferase activity with IVIS and barely any luciferase activity
in embryo lysates.
In vivo imaging of activated estrogen receptors in utero by estrogens and bisphenol A
This account of cloning by embryo splitting and the ethical issues it poses suggests that, contrary to initial impressions, there is no major ethical barrier to proceeding with further research
in embryo splitting as a treatment or adjunct to IVF.
The question of human cloning
This protects the human interests
in embryo diagnosis and acts as a brake to overeager expansion of embryo technologies.
Genetic diagnosis of human embryos
Chromosomal abnormalities are responsible for a high proportion of embryonic loss, as they cause slow-cleavage rates
in embryos. From previous study, it is known that aneuploid embryos are more likely to be developmentally blocked on day 3 and days 5-6 than those diagnosed as euploid (16).
The Frequency of Chromosomal Euploidy Among 3PN Embryos
This is the first study examining the risk of regret and anxiety following screening for chromosomal abnormalities
in embryos before IVF.
Women don't regret embryo testing before IVF
"The concept of altering the human germline
in embryos for clinical purposes has been debated over many years from many different perspectives, and has been viewed almost universally as a line that should not be crossed," Dr Francis Collins, director of the (https://www.nih.gov/about-nih/who-we-are/nih-director/statements/statement-nih-funding-research-using-gene-editing-technologies-human-embryos) National Institutes of Health said in April 2015.
Should Human Embryos Be Genetically Edited?
Seeking to resolve this dilemma, Lanza and his colleagues looked to a technique commonly used to diagnose genetic diseases
in embryos. Known as pre-implantation genetic diagnosis, the procedure removes one cell from an eight-cell-stage embryo and examines its DNA for defects.
Do no harm: stem cells created without destroying healthy embryos
A clone's DNA comes from one parent, whereas the DNA
in embryos produced by sexual reproduction comes from two parents--one set of chromosomes comes from each parent.
Medical milestone: South Korean scientists have cloned human cells to help treat disease. Find out how, and why it could change the future
These are a few examples of how the transplantation technique can facilitate the investigation of physiological and developmental events
in embryos of Helisoma and other encapsulated species.
Long-term culture of decapsulated gastropod embryos: a transplantation study
Embryonic soluble HLA-G as a marker of developmental potential
in embryos. Hum Reprod.
Down-regulation of HLA-G attenuates cleavage rate in human triploid embryos
It is further believed that the developing embryo is more vulnerable to the effects of environmental estrogens than adult animals, but until now it has been difficult to determine these effects directly
in embryos. In this issue, Josephine G.
A hazard in utero? Bisphenol a more potent than expected
Midbody sealing after cytokinesis
in embryos of the sea urchin Arbacia punctulata.
The sea urchin embryo as a model for mammalian developmental neurotoxicity: ontogenesis of the high-affinity choline transporter and its role in cholinergic trophic activity