Goat Testicles in Men, Human Organs in Pigs: the Past and Future of Xenotransplantation

June 19, 2017

(The Verge) – But we might be able to get around some of these issues with advances in genome editing. Just a few months ago, scientists debuted the world’s first human-pig chimeras, or pig embryos injected with human stem cells. The pigs, which weren’t allowed to develop past the fetal stage, started to grow organs with human cells in them. They set the stage for a world where we could grow human organs in other animals. One day, we may even be able to use stem cells to grow our own organs in other animals. But all of this comes with ethical questions.

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