Greenland whale's 200-year lifespan linked to DNA-repairing protein

Scientists have uncovered a biological mechanism that allows the Greenland whale to live for over 200 years, a discovery detailed in a new study published in the journal Nature. The research pinpoints a specific protein, known as Cirbp, which significantly enhances DNA repair processes in the long-lived cetacean.

This finding is not only crucial for understanding whale longevity but also holds potential for future research into human aging and age-related diseases. The study demonstrated that the Cirbp protein not only aids in repairing DNA damage in whales but also exhibited positive effects when tested in human and fruit fly cells, suggesting a conserved biological function.

The Greenland whale's remarkable lifespan has long fascinated scientists. This latest research offers a concrete molecular explanation, moving beyond previous hypotheses about their slow metabolism or cold-water habitat. The identification of Cirbp opens new avenues for exploring interventions that could promote healthier aging and potentially extend lifespan in other species, including humans.