The number of patients on transplant lists far outweighs the number of available organs, but a new development in gene editing could change things. Researchers have created gene-edited piglets without viruses that can cause diseases in humans. These animals could be harvested for their organs to be transplanted into human patients.

“They could be a real game changer,” said David Klassen, MD, CMO at the United Network for Organ Sharing, a private, nonprofit organization that manages the nation’s transplant system.

The organs could be used as liver, heart and other transplantations in the hopes that to reduce transplant waiting lists.

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