Scientists use stem cells to create synthetic mouse embryos

The lab-created embryos mirror a natural mouse embryo up to 8 1/2 days after fertilization. They can be used to better understand early stages of development without the need for as many lab animals and create better research.

By

National News

August 25, 2022 - 2:43 PM

Scientists have created “synthetic” mouse embryos from stem cells without a dad’s sperm or a mom’s egg or womb.

The lab-created embryos mirror a natural mouse embryo up to 8 ½ days after fertilization, containing the same structures, including one like a beating heart.

In the near term, researchers hope to use these so-called embryoids to better understand early stages of development and study mechanisms behind disease without the need for as many lab animals. The feat could also lay the foundation for creating synthetic human embryos for research in the future.

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