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Barshop Institute for Longevity and Aging Studies

Aging Animal and Longevity Assessment Core


Aging Animal and Longevity Assessment Core

Core Leader: James Nelson, PhD
Core Co-leader: Randy Strong PhD
Core Supervisor: Vivian Diaz

The Aging Animal and Longevity Assessment Core plays a crucial role in helping investigators establish whether aging has been altered in their animal models.  If lifespan is extended, strong evidence is provided that the aging process has been influenced by the intervention under study.  However, increased lifespan alone is insufficient to indicate broad anti-aging actions and therefore must be complemented by other measures. These are provided by the Healthspan and Functional Assessment Core and the Pathology Core, as well as specific measurements made by investigators testing their own hypotheses concerning aging processes. 

The Aging Animal and Longevity and Assessment Core maintains and monitors aging colonies of new and established rodent models, determines longevity, and distributes these animals to investigators for basic research on aging.


  • Breed and maintain new and established rodent models to provide investigators with resources to study the mechanisms of aging and age-related disease processes;
  • Conduct lifespan studies of genetically, nutritionally or pharmacologically manipulated models according to the requirements of investigators funded by the NIA and other granting sources;
  • Provide animal models of exceptional biogerontological interest for baseline pilot studies;
  • Provide diets containing rapamycin and other drugs to the biogerontological community at large;
  • Educate and advise faculty, fellows and students in animal husbandry and experimental design specific to the use of animals in aging research.

Services are partially underwritten by the NIA Nathan Shock Center.  To ensure cost recovery, fees in addition to LAR per diem are charged.  Contact the Core Leader or Core Supervisor for details.




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The Sam and Ann Barshop Institute for Longevity and Aging Studies

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San Antonio, Texas  78245
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Updated: 6/22/2011
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