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Hypothalamic modulation of energy expenditure

Identifieur interne : 00E015 ( Main/Exploration ); précédent : 00E014; suivant : 00E016

Hypothalamic modulation of energy expenditure

Auteurs : Dale M. Atrens [Australie] ; John D. Sinden [France] ; Luc Pénicaud [France] ; Michelle Devos [France] ; Jacques Le Magnen [France]

Source :

Physiology & Behavior [ 0031-9384 ] ; 1985.

RBID : ISTEX:43649FABE16A18717C70BC3DC12F58FD870B6C2F

Descripteurs français

Wicri :
- topic : Glucose.

English descriptors

Abstract

Abstract: The acute effects of electrical stimulation of the hypothalamus on energy expenditure as measured by indirect calorimetry were investigated in 20 unanaesthetized rats. Thirty sec of stimulation increased both O2 consumption and respiratory quotient (R.Q.). The largest magnitude hypermetabolic response (39% mean peak increase in O2 consumption) was produced by stimulation of the ventromedial hypothalamic nucleus. Stimulation of the lateral hypothalamus produced hypermetabolic effects similar to but smaller than those produced by medial stimulation. A number of considerations suggest that the hypermetabolism is not secondary to changes in motor activity, carbohydrate utilization or blood glucose levels. Consequently, these data suggest that the hypothalamus modulates energy expenditure through changes in non-shivering thermogenesis. These metabolic changes may modulate the effects of various hypothalamic manipulations on body weight.

Url:

https://api.istex.fr/document/43649FABE16A18717C70BC3DC12F58FD870B6C2F/fulltext/pdf

DOI: 10.1016/0031-9384(85)90165-9

Affiliations:

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Le document en format XML

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<author><name sortKey="Penicaud, Luc" sort="Penicaud, Luc" uniqKey="Penicaud L" first="Luc" last="Pénicaud">Luc Pénicaud</name>
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<author><name sortKey="Devos, Michelle" sort="Devos, Michelle" uniqKey="Devos M" first="Michelle" last="Devos">Michelle Devos</name>
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<term>Atrens</term>
<term>Blood glucose levels</term>
<term>Body weight</term>
<term>Cathodal pulse</term>
<term>Direct demonstrations</term>
<term>Electrical stimulation</term>
<term>Electrode</term>
<term>Electrode location</term>
<term>Electrode locations</term>
<term>Electrode sites</term>
<term>Energy balance</term>
<term>Energy expenditure</term>
<term>Energy intake</term>
<term>Ethanol preference</term>
<term>Glucose</term>
<term>Glucose utilization</term>
<term>Hypermetabolic</term>
<term>Hypermetabolic effects</term>
<term>Hypermetabolic responses</term>
<term>Hypermetabolism</term>
<term>Hypothalamic locations</term>
<term>Hypothalamic modulation</term>
<term>Hypothalamic stimulation</term>
<term>Hypothalamus increases energy expenditure</term>
<term>Indirect calorimetry</term>
<term>Individual data summaries</term>
<term>Larger magnitude</term>
<term>Latency</term>
<term>Lateral</term>
<term>Lateral group</term>
<term>Lateral hypothalamus</term>
<term>Lesion</term>
<term>Medial</term>
<term>Medial group</term>
<term>Medial stimulation</term>
<term>Metabolic</term>
<term>Metabolic changes</term>
<term>Motor activity</term>
<term>Oxygen consumption</term>
<term>Physiol</term>
<term>Physiol behav</term>
<term>Present data</term>
<term>Present data show</term>
<term>Present experiment</term>
<term>Primary thermogenic response</term>
<term>Quotient</term>
<term>Rat</term>
<term>Rats oxygen consumption</term>
<term>Respiratory exchange</term>
<term>Respiratory quotients</term>
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<term>Stimulation</term>
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<term>Blood glucose levels</term>
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<term>Electrical stimulation</term>
<term>Electrode</term>
<term>Electrode location</term>
<term>Electrode locations</term>
<term>Electrode sites</term>
<term>Energy balance</term>
<term>Energy expenditure</term>
<term>Energy intake</term>
<term>Ethanol preference</term>
<term>Glucose</term>
<term>Glucose utilization</term>
<term>Hypermetabolic</term>
<term>Hypermetabolic effects</term>
<term>Hypermetabolic responses</term>
<term>Hypermetabolism</term>
<term>Hypothalamic locations</term>
<term>Hypothalamic modulation</term>
<term>Hypothalamic stimulation</term>
<term>Hypothalamus increases energy expenditure</term>
<term>Indirect calorimetry</term>
<term>Individual data summaries</term>
<term>Larger magnitude</term>
<term>Latency</term>
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<term>Lateral group</term>
<term>Lateral hypothalamus</term>
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<term>Medial group</term>
<term>Medial stimulation</term>
<term>Metabolic</term>
<term>Metabolic changes</term>
<term>Motor activity</term>
<term>Oxygen consumption</term>
<term>Physiol</term>
<term>Physiol behav</term>
<term>Present data</term>
<term>Present data show</term>
<term>Present experiment</term>
<term>Primary thermogenic response</term>
<term>Quotient</term>
<term>Rat</term>
<term>Rats oxygen consumption</term>
<term>Respiratory exchange</term>
<term>Respiratory quotients</term>
<term>Significant effect</term>
<term>Stimulation</term>
<term>Stimulation amplitude</term>
<term>Stimulation parameters</term>
<term>Thermogenesis</term>
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<front><div type="abstract" xml:lang="en">Abstract: The acute effects of electrical stimulation of the hypothalamus on energy expenditure as measured by indirect calorimetry were investigated in 20 unanaesthetized rats. Thirty sec of stimulation increased both O2 consumption and respiratory quotient (R.Q.). The largest magnitude hypermetabolic response (39% mean peak increase in O2 consumption) was produced by stimulation of the ventromedial hypothalamic nucleus. Stimulation of the lateral hypothalamus produced hypermetabolic effects similar to but smaller than those produced by medial stimulation. A number of considerations suggest that the hypermetabolism is not secondary to changes in motor activity, carbohydrate utilization or blood glucose levels. Consequently, these data suggest that the hypothalamus modulates energy expenditure through changes in non-shivering thermogenesis. These metabolic changes may modulate the effects of various hypothalamic manipulations on body weight.</div>
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Hypothalamic modulation of energy expenditure

Hypothalamic modulation of energy expenditure

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri