Competitive and seasonal oxidative stress in elite alpine ski racers

We investigated competitive‐ and long‐term oxidative stress during a competition season in eight top‐ranked members of the Austrian Men's Alpine Ski Team. Serum total peroxides, antibody titers against oxidized LDL (oLAb) and lag time of the degradation of the fluorophore 1‐palmitoyl‐2‐((2‐(4‐(...

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Bibliographic Details
Published in:Scandinavian journal of medicine & science in sports 2009-04, Vol.19 (2), p.206-212
Main Authors: Schippinger, G., Fankhauser, F., Abuja, P. M., Winklhofer-Roob, B. M., Nadlinger, K., Halwachs-Baumann, G., Wonisch, W.
Format: Article
Language:English
Subjects:
Adult
Athletes
Athletic Performance - physiology
Austria
Biomarkers - blood
Biomarkers - urine
cold climate
Competitive Behavior - physiology
Free radicals
Humans
intensive exercise
Male
moderate altitude
Oxidation
Oxidative Stress - physiology
Physiology
reactive oxygen species
Skiing
Skiing - physiology
Stress, Physiological - physiology
Young Adult
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Summary:We investigated competitive‐ and long‐term oxidative stress during a competition season in eight top‐ranked members of the Austrian Men's Alpine Ski Team. Serum total peroxides, antibody titers against oxidized LDL (oLAb) and lag time of the degradation of the fluorophore 1‐palmitoyl‐2‐((2‐(4‐(6‐phenyl‐trans‐1,3,5‐hexatrienyl)phenyl)ethyl)‐carbonyl)‐sn‐glycero‐3‐phosphocholine were measured, along with plasma concentrations of ascorbate, α‐ and γ‐tocopherol, β‐carotene, uric acid and the lipid status. Competitive stress was indicated through an increased post‐race uric acid level (286 ± 50 μM pre‐race vs 456 ± 77 μM post‐race, P
ISSN:0905-7188
1600-0838
DOI:10.1111/j.1600-0838.2007.00763.x