Immunity, inflammatory and psychophysiological stress response during a competition of professional rugby union

Lindsay, Angus, Lewis, John, Gill, Nicholas, Gieseg, Steven P. and Draper, Nick 2015, Immunity, inflammatory and psychophysiological stress response during a competition of professional rugby union, Pteridines, vol. 26, no. 4, pp. 153-160, doi: 10.1515/pterid-2015-0012.

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Title Immunity, inflammatory and psychophysiological stress response during a competition of professional rugby union
Author(s) Lindsay, AngusORCID iD for Lindsay, Angus orcid.org/0000-0002-5195-1901
Lewis, John
Gill, Nicholas
Gieseg, Steven P.
Draper, Nick
Journal name Pteridines
Volume number 26
Issue number 4
Start page 153
End page 160
Total pages 8
Publisher De Gruyter
Place of publication Berlin, Germany
Publication date 2015-12
ISSN 2195-4720
0933-4807
Keyword(s) Science & Technology
Life Sciences & Biomedicine
Biochemistry & Molecular Biology
Biophysics
cortisol
exercise
immunoglobulin A
neopterin
rugby
LEAGUE PLAYERS
SEASON
PARAMETERS
IMPACT
RISK
Summary © 2015 by De Gruyter 2015. Neopterin, cortisol and immunoglobulin A were measured to determine what effect a professional rugby competition has on the immunity, inflammatory and psychophysiological stress response. Urine and saliva were collected from 37 professional players at regular intervals throughout a 20 week professional competition. Total neopterin, cortisol and secretory immunoglobulin A were analysed using enzyme linked immunosorbant assay (ELISA) and high performance liquid chromatography (HPLC). All markers did not change significantly when analysed as a group during the course of the season compared to baseline (p>0.05), although long-distance travel had a minor effect on cortisol and secretory immunoglobulin A concentrations (p<0.05). More importantly, a large inter-individual variation for all markers was observed (p<0.001). These results indicate this competition of professional rugby does not cause significant changes in psychophysiological stress. Some players however, may become more susceptible to fatigue and infection during the course of a season as a result of suppressed immunity and sustained activation of the inflammatory response.
Language eng
DOI 10.1515/pterid-2015-0012
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2015, Walter de Gruyter GmbH
Persistent URL http://hdl.handle.net/10536/DRO/DU:30119756

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