最新报道:A 54-year-old American man, Bill Stewart, has received an experimental gene-edited pig kidney transplant at Massachusetts General Hospital, successfully ending his two-year dialysis dependence and returning to work. This marks progress in xenotransplantation as a solution to organ shortages, with another patient setting a seven-month survival record. The FDA has approved expanded clinical trials involving 30 patients, using CRISPR-edited pig organs to reduce immune rejection. Researchers caution long-term viability remains uncertain, but early outcomes offer hope for future applications.