A recent study suggests that transplanted hearts adapt to the age of their new host. Hearts from young donors age faster in older recipients, while older hearts become rejuvenated in younger recipients. This research, not yet peer-reviewed, indicates that older donors might be viable sources for heart transplants, potentially increasing the availability of organs. As heart transplants become more common, especially in older patients, the demand for organs continues to grow, leading to innovative solutions like using animal organs. The study, conducted by Jesse Poganik and his team at Harvard University, involved analyzing DNA methylation in mice and human heart transplants, revealing that the biological age of the heart changes to match the recipient’s age. This finding could influence future organ donation guidelines and practices.
QUESTION: How might the ability to use older donor hearts impact the future of organ transplantation and waiting lists?
Old hearts age backwards: transplanted organs adjust to host’s biological age
