Comparison of oxidative metabolism in starved, fat-fed and carbohydrate-fed rats
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منابع مشابه
Comparison of oxidative metabolism in starved, fat-fed and carbohydrate-fed rats.
1. Rats were starved for 48hr. or fed for 1 week on a high-fat or a high-carbohydrate diet. The effects of these dietary alterations on the rate of production of (14)CO(2) from trace amounts of [U-(14)C]glucose, [1-(14)C]palmitate or [1-(14)C]acetate administered intravenously were studied. 2. The oxidation of [(14)C]glucose was most rapid in the carbohydrate-fed condition and was decreased sig...
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Starvation is characterized by adaptive mechanisms which ensure that an adequate supply of glucose is maintained for tissues which have an obligatory requirement for it. Dietary carbohydrate is replaced by glucose produced via the mobilization of glycogen stores and/or gluconeogenesis. Increases in lipolysis and ketogenesis ultimately result in the increased provision of alternative non-carbohy...
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Phospholipid metabolism in the lung was studied because the lung was the first organ at which the ingested lipids arrived. It was revealed in this study that the lung contained phosphatidyl cho-line, ethanolamine, phosphoinositol, sphingomyelin and lysolecithin, that the amount of phosphatidyl serine were very small in the lung, and that a phosphatidic acid was discovered in the lung after the ...
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The pyruvate dehydrogenase complex in mammalian tissues exists in a phosphorylated (inactive) and in a non-phosphorylated (active) form. These forms are interconverted by an ATP-requiring kinase, which is inhibited by pyruvate, ADP and thiamin pyrophosphate, and a phosphatase, which is activated both by Mg2+ and by Ca2+ ions (Linn et al., 1969; for recent review, see Denton et al., 1975). Brief...
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The metabolism of millimolar concentrations of R- or S-1,3-butanediol has been studied in perfused livers from fed and starved rats. Protocols were designed to measure in the same experiment (i) uptake of the diol, (ii) the contribution of the diol to ketogenesis, (iii) the contribution of the diol to total fatty acid plus sterol synthesis, and (iv) conversion of S-1,3-butanediol into S-3-hydro...
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ژورنال
عنوان ژورنال: Biochemical Journal
سال: 1967
ISSN: 0006-2936
DOI: 10.1042/bj1030400