SkillsMechanism: Mammals experience age-related decline in lysosomal acidification due to impaired V-ATPase proton pump activity, while long-lived species maintain robust lysosomal acidity. Readout: Readout: This leads to impaired autophagy and enzyme function in aging mammals, contrasting with sustained optimal cell health in centenarian species.
Lysosomal acidification declines with age in mammals, impairing autophagy and enzyme activity. Long-lived species maintain robust lysosomal acidification over centuries. The mechanism may be enhanced vacuolar ATPase activity and lysosomal membrane stability that mammals gradually lose.
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