Escribano, D., Horvatić, A., Contreras-Aguilar, M., Guillemin, N., Cerón, J. J., Tecles, F., Martinez-Miró, S., Eckersall, P. D. , Manteca, X. and Mrljak, V. (2019) Changes in saliva proteins in two conditions of compromised welfare in pigs: an experimental induced stress by nose snaring and lameness. Research in Veterinary Science, 125, pp. 227-234. (doi: 10.1016/j.rvsc.2019.06.008) (PMID:31284225)
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Abstract
The aim of this study was to identify biological pathways and proteins differentially expressed in saliva of pigs in two conditions of compromised welfare: an acute stress consisting of restraint with a nose snare and in pigs with lameness which is a highly frequent problem in the swine industry. For this purpose high-resolution quantitative proteomics based on Tandem Mass Tags labelling was used. As an additional objective, proteins that could be differentially expressed in both situations compared with the healthy pigs was validated. Four proteins showed significant differences in the conditions of compromised welfare, namely: cornulin, the heat shock protein 27 and lactate dehydrogenase (LDH) that showed significant increases, whereas immunoglobulin J chain showed a significant decrease. LDH, which was the protein that showed the highest differences, was selected for validation and clinical evaluation as a diagnostic biomarker. Significant changes in this protein were observed between pigs restrained with a nose snare and pigs with lameness compared with healthy pigs when measured with available commercial assays in a larger population of pigs. In conclusion, this study reports situations of compromised welfare on farm such as acute stress and lameness in pigs, where there are changes in proteins and metabolic pathways in saliva, and describes a series of proteins that could potentially be used as biomarkers for both short term acute stress and longer term chronic stress of lameness. These biomarkers would have the advantage of being measured in saliva by a noninvasive and not stressful collection sampling procedure.
Item Type: | Articles |
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Additional Information: | M.D.C.-A. was granted by the predoctoral contract ‘FPU’ of University of Murcia (R-605/2016), Spain. AH, NG, PDE and VM were supported by the European Commission FP7 ERA Chair “VetMedZg” Project (grant number 621394). |
Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Eckersall, Professor David and Horvatic, Ms Anita |
Authors: | Escribano, D., Horvatić, A., Contreras-Aguilar, M., Guillemin, N., Cerón, J. J., Tecles, F., Martinez-Miró, S., Eckersall, P. D., Manteca, X., and Mrljak, V. |
College/School: | College of Medical Veterinary and Life Sciences > School of Biodiversity, One Health & Veterinary Medicine |
Journal Name: | Research in Veterinary Science |
Publisher: | Elsevier |
ISSN: | 0034-5288 |
ISSN (Online): | 1532-2661 |
Published Online: | 19 June 2019 |
Copyright Holders: | Copyright © 2019 Elsevier Ltd |
First Published: | First published in Research in Veterinary Science 125:227-234 |
Publisher Policy: | Reproduced in accordance with the publisher copyright policy |
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