U.S. Researcher Says He’s Ready to Start Four Pregnancies with ‘Three-Parent’ Embryos

April 19, 2019

(STAT News) – Researchers at Columbia University in New York have created embryos containing genetic material from three people and are ready to use them to start pregnancies. But they’re at a legal impasse. At a public forum at Harvard Law School on Wednesday, Dietrich Egli, assistant professor of developmental cell biology at Columbia, said his team has used a controversial technique called mitochondrial replacement therapy to make embryos for four female patients. The women are all carriers of genetic disorders that are passed down through maternal mitochondria, the energy-generating organelles inside cells.

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