Document Detail


Validation of a cortisol enzyme immunoassay and characterization of salivary cortisol circadian rhythm in chimpanzees (Pan troglodytes).
MedLine Citation:
PMID:  21538448     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Monitoring concentrations of stress hormones is an important tool for behavioral research and conservation for animals both in the wild and captivity. Glucocorticoids can be measured in mammals as an indicator of stress by analyzing blood, feces, urine, hair, feathers, or saliva. The advantages of using saliva for measuring cortisol concentrations are three-fold: it is minimally invasive, multiple samples can be collected from the same individual in a short timeframe, and cortisol has a relatively short response time in saliva as compared with other materials. The purpose of this study was to: (1) conduct an adrenocorticotropic hormone (ACTH) challenge as a physiological validation for an enzyme immunoassay to measure salivary cortisol in chimpanzees and (2) characterize the circadian rhythm of salivary cortisol in chimpanzees. We determined that salivary cortisol concentrations peaked 45 min following the ACTH challenge, which is similar to humans. Also, salivary cortisol concentrations peaked early in the morning and decreased throughout the day. We recommend that saliva collection may be the most effective method of measuring stress reactivity and has the potential to complement behavioral, cognitive, physiological, and welfare studies. Am. J. Primatol. 73:1-6, 2011. © 2011 Wiley-Liss, Inc.
Authors:
Matthew R Heintz; Rachel M Santymire; Lisa A Parr; Elizabeth V Lonsdorf
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-5-2
Journal Detail:
Title:  American journal of primatology     Volume:  -     ISSN:  1098-2345     ISO Abbreviation:  -     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-5-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8108949     Medline TA:  Am J Primatol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2011 Wiley-Liss, Inc.
Affiliation:
Committee on Evolutionary Biology, University of Chicago, Chicago, Illinois. mheintz@uchicago.edu.
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