Surgeons have successfully transplanted a genetically engineered pig kidney into a patient who was declared brain dead. The surgery marks the longest time a pig organ has functioned in a human and is a step toward establishing an alternative source of life-saving organs, doctors at NYU Langone Health said. The surgeons used a kidney from pigs engineered to suppress the expression of the protein alpha-gal, which triggers an immediate rejection response by the human immune system. The team also embedded
