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Unlocking longevity through the comparative biology of aging
Abstract
The comparative biology of aging leverages the remarkable diversity in aging rates and lifespans across species to uncover naturally evolved adaptations that promote longevity, disease resistance and injury resilience. The beauty of comparative biology is that it discovers adaptations that evolved outside of the protected laboratory environment, shaped by natural selection under real-world pressures. In this Review, we outline key approaches in comparative biology of aging studies, including the study of public mechanisms, which are shared between species, and private mechanisms, which are species-specific. Additionally, we present insights gained through high-throughput omics technologies-including genomics, transcriptomics, epigenomics, proteomics and metabolomics-and illustrate how these findings advance our understanding of how to ameliorate the hallmarks of aging, enhance cancer resistance and improve regeneration, with a focus on mammals. Finally, we offer practical guidance for designing and interpreting comparative studies aimed at understanding and translating longevity mechanisms.
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Long-lived animals share enhanced DNA repair, reduced molecular error rates and other processes.
“Long-lived animals share enhanced DNA repair3,5,9–11, reduced molecular error rates and other processes6,12–14.”
From A damage accumulation model identifies distinct aging regimes across species (2026) · cites this paper as [6]
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Body size, energy metabolism and lifespan
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Genome sequencing reveals insights into physiology and longevity of the naked mole rat
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Somatic mutation rates scale with lifespan across mammals
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Cited by
Sorted by citations
A damage accumulation model identifies distinct aging regimes across species
Raz, N., Yang, Y., Pridham, G., Shenhar, B., Frenkel, S., Levy, T., Tlusty, T., Mayo, A., & Alon, U. (2026) · Nature Aging · doi:10.1038/s43587-026-01138-7 · Cited by 7
Metadata
- Authors
- Rechsteiner, C., Morandini, F., Kim, S. J., Seluanov, A., & Gorbunova, V.
- Venue
- Nature Aging
- Published
- 2025-08-28
- Volume
- 5
- Issue
- 9
- Pages
- 1686-1703
- ISSN
- 2662-8465
- Cited by
- 16
- References
- 11
- Language
- en
- Licence
- Funders
- U.S. Department of Health & Human Services | NIH | National Institute on Aging
- Impetus Grant, Hevolution Foundation, Michael Antonov Foundation, Milky Way Research Foundation
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