Bioengineered lungs grown in a lab have been successfully transplanted into living pigs, as reported in Science Translational Medicine. During two months of post-transplant observation, the researchers found no signs that the animals' immune systems had rejected the new lungs.

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Bioengineered lungs grown in a lab have been successfully transplanted into living pigs, as reported in Science Translational Medicine. During two months of post-transplant observation, the researchers found no signs that the animals' immune systems had rejected the new lungs.