BANGKOK: Scientists have developed human embryo-like structures without using sperm, an egg or fertilisation, offering hope for research on miscarriage and birth defects but also raising fresh ethical concerns. Earlier this year, several labs around the world released pre-print studies that had not been pe
BANGKOK: Scientists have developed human embryo-like structures without using sperm, an egg or fertilisation, offering hope for research on miscarriage and birth defects but also raising fresh ethical concerns.
The research was welcomed by some scientists as an"impressive" advance that could help unlock secrets about the precarious early stages of pregnancies, when failure is most common. They produced embryo models up to 14 days old, which is the legal limit for human embryo lab research in many countries, and the point at which organs like the brain begin to develop.Commentary: World’s first ‘synthetic embryo’ - why this research is more important than you think
The model"seems to produce all of the different types of cells that form tissues at this early stage of development", said Briscoe, principal group leader and associate research director at the biomedical research charity. Professor Jacob Hanna, a specialist in molecular genetics at Israel's Weizmann Institute of Science, demonstrates his roller culture incubator used to grow synthetic mouse embryos in a lab in the Israeli central city of Rehovot on Aug 4, 2022.
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