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https://www.nature.com/articles/d41586-021-01001-2
First monkey–human embryos reignite debate over hybrid animals
The chimaeras lived up to 19 days — but some scientists question the need for such research.
Scientists have successfully grown monkey embryos containing human cells for the first time — the latest milestone in a rapidly advancing field that has drawn ethical questions.
In the work, published on 15 April in Cell, the team injected monkey embryos with human stem cells and watched them develop. They observed human and monkey cells divide and grow together in a dish, with at least 3 embryos surviving to 19 days after fertilization.
First monkey–human embryos reignite debate over hybrid animals
The chimaeras lived up to 19 days — but some scientists question the need for such research.
Scientists have successfully grown monkey embryos containing human cells for the first time — the latest milestone in a rapidly advancing field that has drawn ethical questions.
In the work, published on 15 April in Cell, the team injected monkey embryos with human stem cells and watched them develop. They observed human and monkey cells divide and grow together in a dish, with at least 3 embryos surviving to 19 days after fertilization.
