Translation for ‘corps cétoniques’ in the free French-English dictionary and many other English translations. Besoins énergétiques Corps cétoniques Glucose Acides gras Besoins énergétiques Corps cétoniques Origine lipidique Facilité d’emploi. Request PDF on ResearchGate | On Jan 1, , Anne Vassault and others published Corps cétoniques.
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When the rate of synthesis of ketone bodies exceeds the rate of utilization, their concentration in blood increases; this is known as ketonemia. These ketone bodies are readily picked up by the extra-hepatic tissues tissues outside the liver and converted into acetyl-CoA which then enters the citric acid cycle and is oxidized in the mitochondria for energy.
The ketone bodies are released by the liver into the blood. Though the pathway follows a different series of steps requiring ATP1,2-propanediol can be turned into pyruvate.
Ketone bodies are three water-soluble molecules acetoacetatebeta-hydroxybutyrateand their spontaneous breakdown product, acetone containing the ketone group that are produced by the liver from fatty acids  corls periods of low food intake fastingcarbohydrate restrictive dietsstarvationcetonniques intense exercise alcoholism or in untreated or inadequately treated type 1 diabetes mellitus.
Ketone bodies can be used as fuels, yielding 2 GTP and 22 ATP molecules per acetoacetate molecule when oxidized in the mitochondria.
Just pick an audience, or yourself, and it’ll end up in their incoming play queue. Microscope Labeling Gameplays. Acetone is the decarboxylated form of acetoacetate which cannot be converted back into acetyl-CoA except via detoxification in the liver where it is converted into lactic acid, which can, in turn, ectoniques oxidized into pyruvic acid, and only then into acetyl-CoA.
The brain gets a portion of its fuel requirements from ketone bodies vorps glucose is less available than normal e. The overall picture of ketonemia and ketonuria is commonly referred as ketosis. Unlike free fatty acids, ketone bodies corsp cross the blood-brain barrier and are therefore available as fuel for the cells of the central nervous systemacting as a substitute for glucose, on which these cells normally survive.
Beta-hydroxybutyrate is a reduced form of acetoacetate, in which the ketone group is converted into an alcohol or hydroxyl group see illustration on the right.
From the author The game ends when you get all 33 questions correct, or when you give up ; Modified: Ketones, or ketone cetonjques. In normal individuals, there is a constant production of ketone bodies by the liver and their utilization by extrahepatic tissues. Molecular, Cellular and Medical Aspects 6th ed. Animal Cellplays.
corps cétoniques – English translation – French-English dictionary
Ketone bodies have a characteristic smell, which can easily be detected in the breath of persons in ketosis and ketoacidosis. In all other tissues the fatty corpw that enter the metabolizing cells are combined with co-enzyme A to form acyl-CoA chains.
Two of the three are used as a source of energy in the heart and brain cetoniquss the third acetone is a degradation breakdown product of acetoacetic acid. Nikki Scott-Despaigne Works in field Native speaker of: Acetone in low concentrations is taken up by the liver and undergoes detoxification through the methylglyoxal pathway which ends with lactate.
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Both are 4-carbon molecules, that can readily be converted back into acetyl-CoA by most tissues of the body, with corpe notable exception of the liver.
Ketone bodies are transported from the liver to other tissues, where acetoacetate and beta -hydroxybutyrate can be reconverted to acetyl-CoA to produce reducing equivalents NADH and FADH 2via the citric acid cycle. Post Your ideas for ProZ. Vote Promote or demote ideas. The process of ketosis is currently being investigated for efficacy in ameliorating the symptoms of Alzheimer’s disease.