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The Companion Dog as a Model for the Longevity Dividend
Kate E Creevy1, Steven N Austad2, Jessica M Hoffman3
1Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, University of Georgia, Athens, Georgia 30602.
Cold Spring Harbor Perspectives in Medicine
|January 6, 2016
Summary
Companion dogs, with their diverse breeds and shared environments with humans, offer a unique model for studying the longevity dividend (LD). Research suggests dogs can significantly advance our understanding of aging and its impacts.
Area of Science:
- Comparative biology
- Aging research
- Veterinary medicine
Background:
- Companion dogs exhibit extreme phenotypic diversity, impacting longevity and disease susceptibility.
- Dogs share human environments and risk factors, alongside robust veterinary health records.
- Significant overlaps exist between canine and human physiology and disease, making dogs valuable research models.
Purpose of the Study:
- To review existing knowledge on canine age-specific morbidity and mortality patterns.
- To explore the applicability of companion dogs as a model for the longevity dividend (LD).
- To identify potential limitations and benefits of using dogs in aging research.
Main Methods:
- Literature review of age-specific morbidity and mortality in companion dogs.
- Analysis of breed-based health profiles and shared environmental factors.
- Discussion of the potential of companion dogs as a model for longevity research.
Main Results:
- Evidence suggests age-specific patterns of canine morbidity and mortality are influenced by breed.
- The companion dog model shows potential for understanding the longevity dividend.
- Limitations include premature euthanasia, affecting natural lifespan studies.
Conclusions:
- Companion dogs present a high-potential model system for advancing longevity dividend research.
- Further investigation into canine aging can yield insights applicable to human health.
- The unique characteristics of companion dogs facilitate deeper understanding of aging processes.
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