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Antibodies and T cells caused rejection of edited pig kidneys in a brain-dead human, but drugs reversed it, aiding progress toward solving organ shortages.
Scientists have identified the immune system's role in rejecting genetically edited pig kidneys transplanted into a brain-dead human, a breakthrough that could help address the severe shortage of human donor organs.
In a study published in Nature, NYU Langone researchers monitored the kidney for 61 days, finding rejection was driven by antibodies and T cells, which were successfully reversed using FDA-approved drugs.
Blood biomarkers detected rejection up to five days before tissue damage, enabling earlier treatment.
With over 100,000 Americans awaiting kidney transplants and 12 dying daily, the findings bring pig-to-human transplants closer to reality, though challenges remain.
Los anticuerpos y las células T causaron el rechazo de los riñones de cerdo editados en un humano con muerte cerebral, pero las drogas lo revirtieron, ayudando al progreso hacia la solución de la escasez de órganos.