Comparative Study
doi: 10.1073/pnas.71.6.2169.
Correlation between deoxyribonucleic acid excision-repair and life-span in a number of mammalian species
- PMID: 4526202
- PMCID: PMC388412
- DOI: 10.1073/pnas.71.6.2169
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Comparative Study
Correlation between deoxyribonucleic acid excision-repair and life-span in a number of mammalian species
Proc Natl Acad Sci U S A.
1974 Jun.
Abstract
The ability of fibroblasts to perform unscheduled DNA synthesis (a measure of excision-repair) after UV irradiation was measured radioautographically for seven species at several times after several UV fluences. Both the initial rate and the maximum incorporation of [(3)H]dThd increased with the life-span of the species (shrew, mouse, rat, hamster, cow, elephant, man). Unscheduled DNA synthesis was approximately proportional to the logarithm of life-span.
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