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L'axe tube digestif-cerveau : avancées récentes obtenues sur un modèle d'obésité chez le porc

Abstract : The pig, which shares several similarities with humans, is increasingly used for biomedical research, particularly in nutrition and neurosciences. Recent studies in minipigs have shown that a deleterious nutritional environment (e.g. a high-fat and high-sugar diet) induces obesity which, as in humans, is associated with increased adiposity, insulin resistance, modified eating behaviour, and altered gastric function and intestinal sensitivity. These changes are accompanied by differences in the activation matrices and metabolic activity of several brain areas. Using this animal model, we have revisited the concept of dual hedonic and homeostatic control of food intake. We have thus developed a minimally invasive and potentially reversible surgical approach to the control of food intake, as an alternative to bariatric surgery, based on chronic vagal stimulation at the abdominal level.
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Charles-Henri Malbert. L'axe tube digestif-cerveau : avancées récentes obtenues sur un modèle d'obésité chez le porc. Séance de l'Académie Nationale de Médecine, Dec 2013, Paris, France. ⟨hal-02749687⟩

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