American Association for the Advancement of Science Oct 10 2025 The secret to the naked mole-rats' extraordinarily long life may lie in subtle changes to just four amino acids, researchers report. According to a new study, evolutionary mutations in cGAS – an enzyme in the innate immune system that senses DNA to trigger immune responses – may enhance the animal's ability to repair aging-related genetic damage, whereas in other species, such as mice and humans, cGAS can suppress DNA repair.

Tag-uri: DNA