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Primate embryos grown in the lab for longer than ever before

The 20-day-old monkey embryos could reopen the debate about how long the human variety should be allowed to grow in a dish.
By
  1. David Cyranoski

    1. David Cyranoski reports for Nature from Shanghai, China.

They are the longest lived primate embryos to thrive outside the body. Two groups working in China have succeeded in growing monkey embryos in a dish for 20 days. The work sheds light on a crucial but little-understood phase of early development, and will probably reignite the debate about how long human embryos should be permitted to develop in the lab.

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Nature 575, 17-18 (2019)

doi: https://doi.org/10.1038/d41586-019-03326-5

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