Researchers announce babies born from a trial of three-person IVF
By Jessica Hamzelou,
MIT Technology Review
| 07. 16. 2025
Eight babies have been born in the UK thanks to a technology that uses DNA from three people: the two biological parents plus a third person who supplies healthy mitochondrial DNA. The babies were born to mothers who carry genes for mitochondrial diseases and risked passing on severe disorders. The eight babies are healthy, say the researchers behind the trial.
“Mitochondrial disease can have a devastating impact on families,” Doug Turnbull of Newcastle University, one of the researchers behind the study, said in a statement. “Today’s news offers fresh hope to many more women at risk of passing on this condition, who now have the chance to have children growing up without this terrible disease.”
The study, which makes use of a technology called mitochondrial donation, has been described as a “tour de force” and “a remarkable accomplishment” by others in the field. In the team’s approach, patients’ eggs are fertilized with sperm, and the DNA-containing nuclei of those cells are transferred into donated fertilized eggs that have had their own nuclei removed. The new embryos contain the DNA of...
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