Level of glycogen stores and amount of ingested glucose regulate net carbohydrate storage by different mechanisms

The respective effects of the level of glycogen stores and the size of the glucose load on the pathways of carbohydrate (CHO) metabolism were compared over the 5-hour period following glucose ingestion in normal human subjects. For this purpose, labeling of the oral glucose load with [3-3H]- and [U1...

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Bibliographic Details
Published in:Metabolism, clinical and experimental clinical and experimental, 2003-01, Vol.52 (1), p.94-101
Main Authors: Féry, F., Plat, L., Balasse, E.O.
Format: Article
Language:English
Subjects:
Adult
Biological and medical sciences
Blood Glucose - metabolism
Calorimetry, Indirect
Carbohydrate Metabolism
Carbohydrates
Female
Fundamental and applied biological sciences. Psychology
Glucose - pharmacology
Glucose Tolerance Test
Glycogen - biosynthesis
Glycogen - metabolism
Glycolysis - physiology
Humans
Kinetics
Male
Metabolisms and neurohumoral controls
Nutritional Status - physiology
Oxidation-Reduction
Postprandial Period - physiology
Vertebrates: anatomy and physiology, studies on body, several organs or systems
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Summary:The respective effects of the level of glycogen stores and the size of the glucose load on the pathways of carbohydrate (CHO) metabolism were compared over the 5-hour period following glucose ingestion in normal human subjects. For this purpose, labeling of the oral glucose load with [3-3H]- and [U14C] glucose was combined with indirect calorimetry. In group I, 75 g glucose was given to subjects who had either been “fed” with intravenous (IV) glucose or fasted for 13, 24, or 36 hours, or 4 days. In fed versus 4-day–fasted subjects, net CHO storage averaged approximately 15 versus 63 g/5 h (P
ISSN:0026-0495
1532-8600
DOI:10.1053/meta.2003.50015