The idea behind "chimeric animals" is not limited to pigs either, rat stem cells have been injected in to mouse embryos producing mice with rat organs. The research could spell an end to the long waiting lists patients have to endure when in need of a transplant.
Scientists have found they can create chimeric animals that have organs belonging to another species by injecting stem cells into the embryo of another species. The researchers injected stem cells from rats into the embryos of mice that had been genetically altered so they could not produce their own organs, creating mice that had rat organs.
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