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- Natalie Baecker, Aleksandra Tomić, +4 authors Martina Heer
- Journal of applied physiology
- 2003
The aim of the study was to analyze the kinetics of short-term changes in bone turnover. We studied in a randomized crossover design the effects of 6 days of bed rest on eight healthy male subjects… (More)
- Martina Heer, Natalie Baecker, Claudia Mika, Andrea Boese, Rupert Gerzer
- Acta astronautica
- 2005
We studied in a randomized, strictly controlled cross-over design, the effects of 6 days 6 degrees head-down tilt bed rest (HDT) in eight male healthy subjects in our metabolic ward. The study… (More)
- Natalia Rakova, Kathrin Jüttner, +20 authors Jens M. Titze
- Cell metabolism
- 2013
The steady-state concept of Na(+) homeostasis, based on short-term investigations of responses to high salt intake, maintains that dietary Na(+) is rapidly eliminated into urine, thereby achieving… (More)
- Thomas N Nickelsen, Alexander Samel, Martin Vejvoda, Juergen Wenzel, Brian Smith, Rupert Gerzer
- Chronobiology international
- 2002
INTRODUCTION
The melatonin agonist LY 156735 (LY) is a new investigational drug under development to treat circadian rhythm disorders. The present study assessed the efficacy of LY to alleviate the… (More)
- Bernd W. Johannes, Peter Wittels, +5 authors Rupert Gerzer
- European Journal of Applied Physiology
- 2007
The present work describes that under increasing physical load the voice fundamental frequency (voice pitch) remains on a given level as long as the physical load is well tolerated by the subject,… (More)
- Martina Heer, Christian Drummer, Friedhelm J. Baisch, Rupert Gerzer
- Pflügers Archiv
- 1993
The effects of dietary sodium intake on the renal excretion of urodilatin and of sodium were examined in six healthy male subjects. The 24-day study period was divided into three phases of 8 days… (More)
- Ulrich M. Farack, Rupert Gerzer, Therese M. Keravis, Prof. Dr. Klaus Loeschke
- Digestive Diseases and Sciences
- 1988
Regional differences in the response to cholera toxin were evaluated in rat jejunum, ileum, and colon in vivo.Ligated intestinal loops were exposed to a supramaximal concentration of cholera toxin… (More)
- Thomas F Lang, Jack J. W. A. van Loon, +8 authors Peter Re Cavanagh
- npj Microgravity
- 2017
Without effective countermeasures, the musculoskeletal system is altered by the microgravity environment of long-duration spaceflight, resulting in atrophy of bone and muscle tissue, as well as in… (More)
- Christian Drummer, Rupert Gerzer, Friedhelm J. Baisch, Martina Heer
- Pflügers Archiv
- 2014
Similar to the response to central hypervolemic conditions on Earth, the shift of blood volume from the legs to the upper part of the body in astronauts entering µ-gravity should, in accordance with… (More)
- Krassimira Ivanova, R M van den Wijngaard, Rupert Gerzer, Wouter H. Lamers, Pranab Kumar Das
- Experimental dermatology
- 2005
Nitric oxide (NO) is a reactive endogenous molecule with multiple functions including inflammation and immunity. NO stimulates melanogenesis by activating soluble guanylyl cyclase (sGC) resulting in… (More)