Mice produced from unfertilised eggs
Full-term mouse offspring were derived from single unfertilised eggs using targeted CRISPR/Cas9 epigenome editing...
BioNews
Blastocyst
A mammalian embryo in the first stage of development, when the fertilised egg has grown into a hollow ball made up of a few hundred cells.
160 articles
What were you reading in 2021?
In 2021 we published 99 comment pieces, 334 news articles and 74 reviews in BioNews...
Embryo-like structures created out of human stem cells
A new model of the human embryo made from stem cells has been developed by researchers in the USA...
Changing the Human Genome: What Next for Germline Genome Editing?
PET's latest online event discussed the recently published reports from the World Health Organisation on human genome editing...
Early pregnancy loss may be explained by embryo development discovery
Key molecular events regulating early embryo development have been revealed for the first time...
Image by Alan Handyside via the Wellcome Collection. Depicts equipment used for embryo biopsy.
Fertilisation, the 14-day rule and beyond
The first IVF baby was born in 1978, and represented a milestone at the cross section of basic science, clinical research and patient care...
Cells that initiate heart tissue development identified
Scientists at the Francis Crick Institute in London have shown the earliest known stage in mammalian heart development...
Human/monkey chimeric embryos: context and questions
On 15 April 2021, the journal Cell published a paper reporting the creation of part monkey, part human embryos...
First stage of human embryo development created with lab-grown stem cells
Human blastocysts have been created in a simple, efficient way from stem cells grown in a lab...
Synthetic mouse embryos made with stem cells show differentiation
Cells in synthetic mouse embryos have been shown to have gene expression profiles resembling those of the three initial cell lines of a mammalian embryo: the trophectoderm, epiblast and endoderm...