Science
First complete model of the human embryo – Nature.com
Generation of human blastoids from cells in vitro.
A proper understanding of early human development is crucial if we are to improve assisted reproductive technologies and prevent pregnancy loss and birth defects. However, studying early development is a challenge few human embryos are available, and research is subject to considerable ethical and legal constraints. The emergence of techniques that use cells cultured in vitro to construct models of mammalian embryos therefore opens up exciting opportunities1. Two papers in Nature now make key advances…
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