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Donated livers can be made biologically younger
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Donated livers can be made biologically younger

Scientists at Mass General Brigham have discovered something remarkable - when donated livers are kept on perfusion machines instead of just packed in ice, they actually become biologically younger at the molecular level. The team used sophisticated 'aging clocks' to measure the epigenetic patterns in liver samples, finding that machine-perfused organs showed biological ages roughly 30% lower than their chronological age would suggest. This discovery helps explain why organs from younger donors have better transplant success rates, and why perfused organs are less likely to fail after transplantation. The research opens exciting possibilities for better assessing organ health and potentially saving organs that might otherwise be discarded.
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