https://pubs.acs.org/doi/full/10.1021/cen-09706-scicon6 (ACS membership required for full access). Progress on the growth of human organs in other species for transplant purposes. The article warns that human pluripotent stem cells (PSCs) could be used to “make an entire human in another animal.”
Cordwainer Smith’s (Colonel Paul Linebarger’s) science fiction included “A Planet Named Shayol” in which organs were grown in prison inmates (the entire planet was a prison) and “underpeople,” or human-animal hybrids whose struggle for basic rights was a theme of many of his stories. It is amazing how quickly science fiction (e.g. hand calculators in Isaac Asimov’s stories from the 1950s, and Star Trek “communicators,” e.g. cell phones) become reality.