Effectors of Thermogenesis
Proceedings of a Symposium held at Geneva (Switzerland) on 14 to 16 July 1977
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16 Result(s)
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L. Girardier
English
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Article
Green tea and thermogenesis: interactions between catechin-polyphenols, caffeine and sympathetic activity
The thermogenic effect of tea is generally attributed to its caffeine content. We report here that a green tea extract stimulates brown adipose tissue thermogenesis to an extent which is much greater than can ...
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Article
Autonomic nervous control of heart rate at altitude (5050 m)
To investigate possible changes in autonomic regulation of heart rate as a result of acclimatization to high altitude, indexes of autonomic nervous activity were obtained non invasively by spectrum analysis of...
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Article
Real-time measurement of the contribution of the muscular activity to the metabolic rate in freely moving rats
A new real-time ergometric system, ERGORAT, for measuring the energy expenditure due to muscular activity of small mammals is described. The method is based on measuring the vibrations induced by a freely movi...
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Article
Prepontine knife cut-induced hyperthermia in the rat
The effect of brown adipose tissue (BAT) denervation on the prepontine knife cut-induced hyperthermia was studied. The knife cut has earlier been shown to induced a steady state hyperthermia of 3 to 4°C, as a ...
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Article
Evidence for a modulating effect of NA+/H+ exchange on the metabolic response of rat brown adipose tissue
Membrane potential and intracellular pH (pHi) were simultaneously monitored in rat perifused brown adipose tissue fragments by means of double-barrelled microelectrodes. In parallel experiments, the respirator...
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Article
The response of adipose tissue blood flow to insulin-induced hypoglycemia in conscious dogs and rats
A comparative study, focusing on the modification of regional blood flow in adipose tissue during insulin-induced hypoglycemia, was performed on dogs and rats at room temperature (22°C) and on rats at thermone...
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Article
Quantitative evaluation of gap junctions in rat brown adipose tissue after cold acclimation
The decrease in the metabolic capacity of rat brown adipose tissue during the late postnatal period can be reversed by cold acclimation of the animals. In order to find out whether a parallel decrease in capab...
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Article
Is there a sympathetic regulation of the efficiency of energy utilization?
Brown adipose tissue, a well known effector of regulatory thermogenesis found in mammals, is unique in its ability to steadily increase its heat production several fold for very long periods of time. It consti...
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Article
Absorption kinetics of subcutaneously injected insulin
The absorption of subcutaneously injected insulin was examined by injecting semisynthetic [3H] insulin in anaesthetized pigs and subsequently analysing the tissue excised from the injection site. Contrary to prev...
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Book and Conference Proceedings
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Chapter and Conference Paper
Does Cytoplasmic Alkalinization Trigger Mitochondrial Energy Dissipation in the Brown Adipocyte?
Indirect calorimetry measurements showed that brown fat thermogenesis was very sensitive to modifications of intracellular pH induced by extracellular acid-base perturbations. Specific blockage of active Na-K ...
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Article
The regulation of the biological furnace of warm blooded animals
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Article
Control of brown fat thermogenesis by the sympathetic nervous system
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Article
A comparative study of the effects of norepinephrine and vasopressin on Na transport and O2 consumption in frog skin
Experiments were designed to compare the effects of two hormones-vasopressin and norepinephrine-on the energetics of Na transport in frog skin. Simultaneous measurements of O2 consumption and net Na flux were per...
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Article
An electron microscope study of the perfusion-fixed spleen
The observation of macrophages which can act either as scavenger cells or as nurse cells leads to the conclusion that the factors responsible for the release of young erythrocytes or for the destruction of old...
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Article
An electron microscope study of the perfusion-fixed spleen
By preserving the intercellular or plasmatic space, perfusion fixation provides a particularly clear picture of the histological and cytological constitution of the spleen. An analysis of documents obtained wi...
