The team, led by Professor Magdalena Zernicka-Goetz, developed the embryo model without eggs or sperm, and instead used stem cells – the body’s master cells, which can develop into almost any cell type in the body.
The researchers mimicked natural processes in the lab by guiding the three types of stem cells found in early mammalian development to the point where they start interacting. By inducing the expression of a particular set of genes and establishing a unique environment for their interactions, the researchers were able to get the stem cells to ‘talk’ to each other.
Researchers have created model embryos from mouse stem cells that form a brain, a beating heart, and the foundations of all the other organs of the body.
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