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The aim of this study is to describe hormonal responses and changes of the gastrointestinal (GI) tract during healthy and catabolic inflammatory conditions.
Participants will receive isocaloric, isonitrogenous beverages of either whey or 3-OHB+whey in a randomized crossover design during either healthy (overnight fast) or catabolic conditions (inflammation/endotoxemia + 36 h fast and bed rest).
Background: Endotoxemia (LPS) is known to cause fever, inflammation and nausea, but the underlying mechanisms are unknown. In a human disease model comprising LPS-induced inflammation, 36 hour fast and bed rest the investigators want to investigate mechanisms accounting for the nausea and decreased food intake often observed in hospitalized patients.
Aim: This study aims to investigate total transit time and motility of the GI-tract together with the regulation of gut- and appetite hormones following catabolic conditions compared with healthy controlled conditions
Catabolic stress (endotoxemia/inflammation + 36 h fast and bed rest) induces GI-tract and hormonal changes compared with healthy conditions (overnight fast)
In a randomized crossover design, eight healthy, lean, young men will undergo either:
i) Healthy conditions (overnight fast) + whey protein
ii) Catabolic conditions (Inflammation (LPS) + 36-hour fast and bed rest*) + whey protein
iii) Catabolic conditions (Inflammation (LPS) + 36-hour fast and bed rest*) + 3-ketone/whey protein
Beverages will be isonitrogenous with 45 g whey protein + 20 g maltodextrin +/- 50 g of 3-OHB. Bolus/sip administration will be applied (1/3 bolus, 2/3 sip).Beverages will be isocaloric (fat will be added to interventions without 3-OHB)
*LPS will be administered (1 ng/kg) the day prior to the study together with fast and bed rest. On the study day LPS (0.5 ng/kg) will be injected.
Medical Reasearch labaratory, DoH, Aarhus University Hospital
University of Aarhus
Published on BioPortfolio: 2019-08-18T20:09:33-0400
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The protein components of milk obtained from the whey.
A major protein fraction of milk obtained from the WHEY.
The liquid components of milk that remain after the CASEIN, fat, and fat soluble components have been removed. It is also a byproduct of cheese production.
The major protein constituents of milk are CASEINS and whey proteins such as LACTALBUMIN and LACTOGLOBULINS. IMMUNOGLOBULINS occur in high concentrations in COLOSTRUM and in relatively lower concentrations in milk. (Singleton and Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed, p554)
Nutritional factor found in milk, eggs, malted barley, liver, kidney, heart, and leafy vegetables. The richest natural source is yeast. It occurs in the free form only in the retina of the eye, in whey, and in urine; its principal forms in tissues and cells are as FLAVIN MONONUCLEOTIDE and FLAVIN-ADENINE DINUCLEOTIDE.
Food is any substance consumed to provide nutritional support for the body. It is usually of plant or animal origin, and contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, or minerals. The substance is ingested by an organism ...
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