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Increased core body temperature in astronauts during long-duration space missions.
Stahn, Alexander C; Werner, Andreas; Opatz, Oliver; Maggioni, Martina A; Steinach, Mathias; von Ahlefeld, Victoria Weller; Moore, Alan; Crucian, Brian E; Smith, Scott M; Zwart, Sara R; Schlabs, Thomas; Mendt, Stefan; Trippel, Tobias; Koralewski, Eberhard; Koch, Jochim; Choukèr, Alexander; Reitz, Günther; Shang, Peng; Röcker, Lothar; Kirsch, Karl A; Gunga, Hanns-Christian.
Afiliação
  • Stahn AC; Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Physiology, Center for Space Medicine and Extreme Environments, CharitéCrossOver (CCO), Charitéplatz 1, Berlin, 10117, Germany.
  • Werner A; Division of Sleep and Chronobiology, Department of Psychiatry, Perelman School of Medicine at the University of Pennsylvania, 1019 Blockley Hall, 423 Guardian Drive, Philadelphia, PA, 19104-6021, USA.
  • Opatz O; German Air Force, Centre of Aerospace Medicine, Aviation Physiology Training Centre, Aviation Physiology Diagnostics and Science, Steinborner Str. 43, 01936, Königsbrück, Germany.
  • Maggioni MA; Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Physiology, Center for Space Medicine and Extreme Environments, CharitéCrossOver (CCO), Charitéplatz 1, Berlin, 10117, Germany.
  • Steinach M; Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Physiology, Center for Space Medicine and Extreme Environments, CharitéCrossOver (CCO), Charitéplatz 1, Berlin, 10117, Germany.
  • von Ahlefeld VW; Department of Biomedical Sciences for Health, Università degli Studi di Milano, via Luigi Mangiagalli 31, 20133, Milan, Italy.
  • Moore A; Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Physiology, Center for Space Medicine and Extreme Environments, CharitéCrossOver (CCO), Charitéplatz 1, Berlin, 10117, Germany.
  • Crucian BE; Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Physiology, Center for Space Medicine and Extreme Environments, CharitéCrossOver (CCO), Charitéplatz 1, Berlin, 10117, Germany.
  • Smith SM; Department of Health and Kinesiology, Lamar University, Beaumont, TX, 77710, USA.
  • Zwart SR; Biomedical Research and Environmental Sciences Division, NASA Johnson Space Center, Houston, TX, 77058, USA.
  • Schlabs T; Biomedical Research and Environmental Sciences Division, NASA Johnson Space Center, Houston, TX, 77058, USA.
  • Mendt S; Preventive Medicine and Community Health, University of Texas Medical Branch, 301 University Boulevard, Galveston, TX, 77555, USA.
  • Trippel T; Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Physiology, Center for Space Medicine and Extreme Environments, CharitéCrossOver (CCO), Charitéplatz 1, Berlin, 10117, Germany.
  • Koralewski E; Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Physiology, Center for Space Medicine and Extreme Environments, CharitéCrossOver (CCO), Charitéplatz 1, Berlin, 10117, Germany.
  • Koch J; Charité Medizinische Klinik, Charité Universitätsmedizin Berlin, Kardiologie, Augustenburger Platz 1, Berlin, 13353, Germany.
  • Choukèr A; Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Physiology, Center for Space Medicine and Extreme Environments, CharitéCrossOver (CCO), Charitéplatz 1, Berlin, 10117, Germany.
  • Reitz G; Drägerwerk AG & Co. KGaA, Moislinger Allee 53-55, Lubeck, 23558, Germany.
  • Shang P; Department of Anaesthesiology, Hospital of the University of Munich, Marchioninistrasse 15, München, 81377, Germany.
  • Röcker L; DLR, Institut für Luft- und Raumfahrtmedizin, Abteilung Strahlenbiologie, Linder Höhe, Köln, 51147, Germany.
  • Kirsch KA; Nuclear Physics Institute of the Czech Academy of Sciences, Department of Radiation Dosimetry, Na Truhlárce 39/64, Praha 8, 180 00, Czech Republic.
  • Gunga HC; Key Laboratory for Space Bioscience & Biotechnology, Institute of Special Environnments Biophysics, School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, China.
Sci Rep ; 7(1): 16180, 2017 11 23.
Article em En | MEDLINE | ID: mdl-29170507
ABSTRACT
Humans' core body temperature (CBT) is strictly controlled within a narrow range. Various studies dealt with the impact of physical activity, clothing, and environmental factors on CBT regulation under terrestrial conditions. However, the effects of weightlessness on human thermoregulation are not well understood. Specifically, studies, investigating the effects of long-duration spaceflight on CBT at rest and during exercise are clearly lacking. We here show that during exercise CBT rises higher and faster in space than on Earth. Moreover, we observed for the first time a sustained increased astronauts' CBT also under resting conditions. This increase of about 1 °C developed gradually over 2.5 months and was associated with augmented concentrations of interleukin-1 receptor antagonist, a key anti-inflammatory protein. Since even minor increases in CBT can impair physical and cognitive performance, both findings have a considerable impact on astronauts' health and well-being during future long-term spaceflights. Moreover, our findings also pinpoint crucial physiological challenges for spacefaring civilizations, and raise questions about the assumption of a thermoregulatory set point in humans, and our evolutionary ability to adapt to climate changes on Earth.
Assuntos

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Temperatura Corporal / Astronautas Limite: Humans Idioma: En Ano de publicação: 2017 Tipo de documento: Article

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Temperatura Corporal / Astronautas Limite: Humans Idioma: En Ano de publicação: 2017 Tipo de documento: Article