Validation of salivary oxytocin and vasopressin as biomarkers in domestic dogs
AffiliationUniv Arizona, Sch Anthropol
MetadataShow full item record
PublisherELSEVIER SCIENCE BV
CitationE.L. MacLean, L.R. Gesquiere, N. Gee, K. Levy, W.L. Martin, C.S. Carter Validation of salivary oxytocin and vasopressin as biomarkers in domestic dogs J. Neurosci. Methods, 293 (2018), pp. 67-76
JournalJOURNAL OF NEUROSCIENCE METHODS
Rights© 2017 Elsevier B.V. All rights reserved.
Collection InformationThis item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at email@example.com.
AbstractBackground: Oxytocin (OT) and Vasopressin (AVP) are phylogenetically conserved neuropeptides with effects on social behavior, cognition and stress responses. Although OT and AVP are-most commonly measured in blood, urine and cerebrospinal fluid (CSF), these approaches present an array of challenges including concerns related to the invasiveness of sample collection, the potential for matrix interference in immunoassays, and whether samples can be collected at precise time points to assess event-linked endocrine responses. New method: We validated enzyme-linked immunosorbent assays (ELISAs) for the measurement of salivary OT and AVP in domestic dogs. Results: Both OT and AVP were present in dog saliva and detectable by ELISA and high performance liquid chromatography - mass spectrometry (HPLC-MS). OT concentrations in dog saliva were much higher than those typically detected in humans. OT concentrations in the same samples analyzed with and without sample extraction were highly correlated, but this was not true for AVP. ELISA validation studies revealed good accuracy and parallelism, both with and without solid phase extraction. Collection of salivary samples with different synthetic swabs, or following salivary stimulation or the consumption of food led to variance in results. However, samples collected from the same dogs using different techniques tended to be positively correlated. We detected concurrent elevations in salivary and plasma OT during nursing. Comparison with existing methods: There are currently no other validated methods for measuring OT/AVP in dog saliva. Conclusions: OT and AVP are present in dog saliva, and ELISAs for their detection are methodologically valid. (C) 2017 Elsevier B.V. All rights reserved.
Note18 month embargo; published online: 1 September 2017
VersionFinal accepted manuscript
SponsorsWALTHAM Centre for Pet Nutrition
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