Dog Aging Study Finds Shared Longevity Clues With Humans — SkimNews
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- Dog Aging Project researchers published findings in The Journals of Gerontology showing that metabolic signals in dog blood linked to earlier or later death closely resembled patterns previously identified in humans.
- Dr. Kate Creevy, the project's chief veterinary officer at Texas A&M, said the molecules that are risky or protective for dogs are "very similar to those in people," suggesting shared features of aging biology.
- The study analyzed metabolites from dog blood samples and compared results with five large published human mortality studies using similar methods, finding broadly similar signals associated with mortality.
- Pet dogs offer researchers two key advantages: shared environments, diets, and activity patterns with their owners, and shorter lifespans of 12-13 years versus humans' average 70s, enabling faster observation of aging outcomes.
- Creevy cautioned that biomarkers don't necessarily cause outcomes, but identifying them provides "starting points" to investigate the mechanisms behind aging and potential targets for intervention.
- The Dog Aging Project, supported by the WoodNext Foundation, is a nationwide community science effort that tracks pet dogs through owner-contributed surveys and biological samples to study health over time.
Why it matters: The cross-species metabolic parallels give researchers a faster pipeline for aging research — dogs reach old age in 12-13 years compared to humans' 70s, and Creevy noted findings could let scientists "leverage human research to benefit dogs." For dog owners, Creevy said the practical takeaway is straightforward: the same diet, body weight, mobility, and cognitive health practices that help humans likely benefit dogs too.
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