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A protein that drives ageing without triggering inflammation
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A protein that drives ageing without triggering inflammation

Researchers have identified granzyme K, an enzyme that contributes to ageing in the body’s tissues. Mice engineered to lack the protein had better heart and liver function, as well as less kidney damage. So, reducing granzyme K could offer a way to limit age-related tissue damage while leaving the body’s immune defences intact. It’s an encouraging finding, although treatments for people will need further research.
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