Mitochondrial Replacement Therapy

Recently, the U.K. made headlines with the news of a baby being born using mitochondrial replacement therapy (mitochondrial donation treatment), which involves three parents' DNAs.

Key Points

  • The U.K.'s Pioneering Approval: Eight years ago, the United Kingdom became the first country to approve mitochondrial replacement therapy (MRT). Since then, "less than five" children have been born using this procedure as of April 2023.
  • U.K.'s Fertility Regulator: The Human Fertilisation and Embryology Authority (HFEA), the U.K.'s fertility regulator, grants approval for MRT on a case-by-case basis.
  • Procedure Involved: During this procedure, nuclear genetic material from a mother's egg is transferred into a ....
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