NYU surgeon transplants an engineered pig kidney into the outside of a brain-dead patient (Joe Carrotta/NYU Langone Health)

No, sci­en­tists are not any clos­er to pig-to-hu­man trans­plants than they were last week

Steve Holtz­man was awok­en by a 1 a.m. call from a doc­tor at Duke Uni­ver­si­ty ask­ing if he could put some pigs on a plane and fly them from Ohio to North Car­oli­na that day. A mo­tor­cy­clist had got­ten in­to a hor­rif­ic crash, the doc­tor ex­plained. He be­lieved the pigs’ liv­ers, su­tured on­to the pa­tient’s skin like an ex­ter­nal fil­ter, might be able to tide the young man over un­til a donor liv­er be­came avail­able.

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