Supercooled Kidneys Successfully Transplanted Into Pigs

Researchers at Texas A&M University have developed a novel device capable of supercooling pig kidneys to -4°C (25°F) without causing ice crystal formation, a significant advancement over current organ preservation methods. This "landmark achievement," as described by Kevin Myer, president and CEO of LifeGift, allows organs to be preserved for days rather than hours. In trials, these supercooled kidneys were successfully transplanted into pigs and demonstrated better function compared to organs preserved on ice.

The current standard for organ preservation involves cooling to approximately 4°C (39°F) on ice, with a limited viability window of about 24 hours. This short preservation time contributes to a substantial loss of viable organs; in some years, up to one-third of donated kidneys are discarded because they degrade before reaching a recipient. The organ shortage crisis is severe, with over 104,000 people on the waiting list for a kidney transplant in the US, and an estimated 17 deaths daily due to lack of available organs.

This new supercooling technology offers a potential solution to extend organ viability, thereby increasing the chances of finding suitable recipients and reducing organ wastage. The ability to preserve organs for longer periods could dramatically improve transplant outcomes and alleviate the critical shortage of donor organs. The research team, led by Matthew Powell Palm, aims to address the limitations of current organ transport and storage, which often fall short of the time needed for successful transplantation.