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Doctors successfully attach a pig kidney to human body

New York City hospita doctors has successfully attached a kidney from a genetically modified pig to a brain-dead individual and it functioned well for the more than 2 days it was tracked.

Although xenotransplanation—the transplanting of animal organs into people—has been a dream of scientists’ for decades, it’s been incredibly tough to realize because the organs are often rejected by the human immune system.

As first reported in USA Today and picked up by outlets including The New York Times, the kidney in question was genetically engineered to eliminate a molecule that would prompt this kind of aggressive immune response.

The family of the patient agreed to the surgery, in which the kidney was hooked up to blood vessels in the upper leg and left to function for 54 hours. Scientists not involved in the research, which occurred at New York University Langone Health, hailed the advance but also urged caution, in part because data from the study haven’t yet been published.

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