Influence of a high-temperature programme on serum,urinary and sweat levels of selenium and zinc |
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| Affiliation: | 1. Division of Pediatric Urology, Department of Surgery, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania;2. Center for Pediatric Clinical Effectiveness, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania;3. Division of General Pediatrics, Department of Pediatrics, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania;4. Division of Nephrology, Department of Pediatrics, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania;5. Department of Biomedical and Health Informatics, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania;6. Division of Urology, Department of Surgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania;7. Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania;8. Department of Biostatistics and Epidemiology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania;9. Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania;10. Department of Urology, University of California, San Francisco, San Francisco;11. Center for Nutrition and Metabolism, Children’s Hospital Oakland Research Institute, Oakland, California;1. Department of Radiation Oncology, Sun Yat-sen University Cancer Center, 651 Dongfeng Road East, Guangzhou 510060, China;2. Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China;3. Department of Radiation Oncology, The First Affiliated Hospital, Sun Yat-sen University, 58 Zhongshan Road II, Guangzhou 510080, China;4. Department of Molecular Diagnostics, Sun Yat-sen University Cancer Center, 651 Dongfeng Road East, Guangzhou 510060, China;1. Department of Gastroenterology, Adnan Menderes University, School of Medicine, TR-09100, Aydin, Turkey;2. Department of Hematology, Adnan Menderes University, School of Medicine, TR-09100, Aydin, Turkey;3. Department of Pathology, Adnan Menderes University, School of Medicine, TR-09100, Aydin, Turkey;4. Department of Endocrinology, Adnan Menderes University, School of Medicine, TR-09100, Aydin, Turkey;5. Department of Biostatistics, Adnan Menderes University, School of Medicine, TR-09100, Aydin, Turkey |
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| Abstract: | IntroductionThe effect of hyperthermia on the antioxidant system in the human organism is well known.AimThe objective of this study was to observe the effects of heat on the concentration of Se and Zn, elements related to antioxidant systems.MethodsTwenty-nine subjects voluntarily participated in this study. They were divided into a control group (CG; n = 14) and an experimental group (EG; n = 15). All of them underwent two incremental tests until exhaustion in normothermia (22 °C, 20–40%RH) and hyperthermia (42 °C, 20–40%RH). EG experienced nine sessions of repeated heat exposure at high temperatures (100 °C, 20%RH) for three weeks (HEHT). After the intervention, the initial measurements were repeated. Urine and blood samples were collected before and after each test. Additionally, sweat samples were collected after tests in hyperthermia.ResultsThere were no significant changes in serum. An increase in the elimination of Zn and Se in EG was observed in urine after HEHT (p < .05). The elimination of Zn by sweating decreased after HEHT in EG (p < .05).ConclusionsExposure to heat at high temperatures increases the urinary excretion of Se and Zn. |
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| Keywords: | Selenium Zinc Heat acclimation Serum Sweat Urine |
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