منابع مشابه
Amino acid metabolism during prolonged starvation.
Plasma concentration, splanchnic and renal exchange, and urinary excretion of 20 amino acids were studied in obese subjects during prolonged (5-6 wk) starvation. Splanchnic amino acid uptake was also investigated in postabsorptive and briefly (36-48 hr) fasted subjects.A transient increase in plasma valine, leucine, isoleucine, methionine, and alpha-aminobutyrate was noted during the 1st wk of ...
متن کاملHuman forearm metabolism during progressive starvation.
Forearm muscle metabolism was studied in eight obese subjects after an overnight, 3 and 24 day fast. Arterio-deep-venous differences of oxygen, carbon dioxide, glucose, lactate, pyruvate, free fatty acids, acetoacetate, and beta-hydroxybutyrate with simultaneous forearm blood flow were measured. Rates of metabolite utilization and production were thus estimated. Oxygen consumption and lactate a...
متن کاملLiver and kidney metabolism during prolonged starvation.
This study quantifies the concentrations of circulating insulin, growth hormone, glucose, free fatty acids, glycerol, beta-hydroxybutyrate, acetoacetate, and alpha amino nitrogen in 11 obese subjects during prolonged starvation. The sites and estimated rates of gluconeogenesis and ketogenesis after 5-6 wk of fasting were investigated in five of the subjects. Blood glucose and insulin concentrat...
متن کاملLipid metabolism during starvation: hepatic energy balance and ketogenesis.
The purpose of this paper is to integrate lipid catabolism, ketogenesis and acid-base balance during starvation. The calculations made in this presentation may be approximate, but the values give useful information. Emphasis is directed toward hydrogen (hydronium and hydride) transfer during the hyperketonaemic state of starvation, and a special role is assigned to /%hydroxybutyrate as a regula...
متن کاملProtein and substrate metabolism during starvation and parenteral refeeding.
1. Healthy male volunteers underwent 10 days of hospitalized protein-calorie starvation and a subsequent 10 day repletion phase with complete intravenous nutritional support (IVF). Non-protein calories were provided as either all D-glucose or as 50% D-glucose/50% lipid. 2. In comparison with starvation, whole-body protein breakdown, as assessed by [15N]glycine, [13C]leucine and urinary excretio...
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ژورنال
عنوان ژورنال: The Journal of Physiology
سال: 1907
ISSN: 0022-3751
DOI: 10.1113/jphysiol.1907.sp001213