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Journal Context: Aging (Albany NY) / PubMed | Identifiers: DOI: 10.18632/aging.110204 / PMID: 32343285
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Principal Investigators: Cohen, P., Yen, K., Barzilai, N., Milman, S., et al. (Leonard Davis School of Gerontology, University of Southern California / Albert Einstein College of Medicine)
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Methodology: Longitudinal comparative profiling analyzing circulating serum Humanin levels in a human cohort composed of Ashkenazi centenarians, their offspring, and age-matched controls. Parallel animal arms utilized C. elegans and mouse models treated with continuous Humanin gradients to monitor alterations in total lifespan, structural healthspan parameters, and metabolic degradation boundaries.
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Key Findings: The clinical data revealed that Humanin levels are heavily elevated in centenarians and their direct offspring compared to standard controls, directly validating it as an inheritable marker of exceptional human longevity. In the animal testing arm, continuous Humanin sequencing successfully extended the chronological lifespan of C. elegans. Furthermore, it protected aging mice from metabolic decline by optimizing mitochondrial respiration profiles, illustrating its capacity to preserve structural cellular viability

