This week, I’ve been working on a big story about a controversial treatment that creates babies with three genetic parents. The “three-parent baby” technique was thought to help parents avoid passing diseases on to their kids. But new evidence suggests it doesn’t always work—and could create babies at risk of severe diseases.
The evidence comes from two babies born after the procedure was used to help couples with a different problem: infertility. It’s lucky we found the problem in these cases—these babies didn’t have parents with disease-causing mutations, so they should be fine.
In recent months, news came out about several distressing cases that have underscored the risks of gene therapy, which delivers DNA to a patient’s cells to treat disease. All of these cases have one thing in common that’s not apparent...
Heritable genome editing in human embryos is once again under intense scrutiny after the publication of an opinion piece in Trends in Genetics at the end of last month.1 In the paper, Cathy Tie, the founder and chief...
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