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The C. elegans healthspan and stress-resistance assay toolkit

A wealth of knowledge on the genetic mechanisms that govern aging has emerged from the study of mutants that exhibit enhanced longevity and exceptional resilience to adverse environmental conditions. In these studies, lifespan has been an excellent proxy for establishing the rate of aging, but it is...

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Bibliographic Details
Published in:Methods (San Diego, Calif.) Calif.), 2014-08, Vol.68 (3), p.476-486
Main Authors: Keith, Scott Alexander, Amrit, Francis Raj Gandhi, Ratnappan, Ramesh, Ghazi, Arjumand
Format: Article
Language:English
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Summary:A wealth of knowledge on the genetic mechanisms that govern aging has emerged from the study of mutants that exhibit enhanced longevity and exceptional resilience to adverse environmental conditions. In these studies, lifespan has been an excellent proxy for establishing the rate of aging, but it is not always correlated with qualitative measures of healthy aging or ‘healthspan’. Although the attributes of healthspan have been challenging to define, they share some universal features that are increasingly being incorporated into aging studies. Here we describe methods used to determine Caenorhabditis elegans healthspan. These include assessments of tissue integrity and functionality and resistance to a variety of biotic and abiotic stressors. We have chosen to include simple, rapid assays in this collection that can be easily undertaken in any C. elegans laboratory, and can be relied on to provide a preliminary but thorough insight into the healthspan of a population.
ISSN:1046-2023
1095-9130
DOI:10.1016/j.ymeth.2014.04.003