Without Egg, Sperm or Womb: Mouse Embryos Created from Stem Cells
03 August 2022 | United States
An egg meets a sperm - that's a necessary first step in life's beginnings, and it's also a common first step in embryonic development research. But in study researchers have grown synthetic embryo models of mice outside the womb by starting solely with stem cells cultured in a petri dish - that is, without the use of fertilized eggs. The method opens new horizons for studying how stem cells form various organs in the developing embryo, and may one day make it possible to grow tissues and organs for transplantation using synthetic embryo models.
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