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Embryos that are human-pig hybrids offer hope for patients who need organ transplants

Embryos that are human-pig hybrids offer hope for patients who need organ transplants

In a bid to make organs for patients in need of transplants, scientists have created embryos that were hybrids of humans and pigs and grown them until they were on the verge of developing the body parts that might one day save lives.

Researchers reported Thursday in the journal Cell that they injected pig embryos with human stem cells that were capable of developing into a wide range of tissues. Those composite embryos were then transferred into the wombs of mother pigs.

By the time the scientists harvested...

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