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Chinese scientists found that specific cGAS mutations in naked mole-rats enhance DNA repair, extending lifespan and reducing aging signs in animals, suggesting a potential path for human longevity.
Chinese scientists have discovered that four specific mutations in the naked mole-rat’s cGAS enzyme boost DNA repair, contributing to its 40-year lifespan.
Unlike in humans and mice, where cGAS hinders repair, the mole-rat’s version enhances it, improving genomic stability.
Experiments showed fruit flies with the modified enzyme lived longer and stayed more active, while mice showed reduced aging signs in just two months.
Similar mutations exist in two other long-lived rodents.
Researchers say targeting cGAS could offer a new strategy for extending healthy human lifespan by improving DNA repair and reducing inflammation.
Los científicos chinos descubrieron que mutaciones específicas de cGAS en ratas topo desnudas mejoran la reparación del ADN, extienden la esperanza de vida y reducen los signos de envejecimiento en los animales, lo que sugiere un posible camino para la longevidad humana.