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Modelling the Impact of Chronic Cigarette Smoke Exposure in Obese Mice: Metabolic, Pulmonary, Intestinal, and Cardiac Issues

Abstract : Unhealthy lifestyle choices, such as bad eating behaviors and cigarette smoking, have major detrimental impacts on health. However, the interrelations between obesity and smoking are still not fully understood. We thus developed an experimental model of high-fat diet-fed obese C57BL/6 male mice chronically exposed to cigarette smoke. Our study evaluated for the first time the resulting effects of the combined exposure to unhealthy diet and cigarette smoke on several metabolic, pulmonary, intestinal, and cardiac parameters. We showed that the chronic exposure to cigarette smoke modified the pattern of body fat distribution in favor of the visceral depots in obese mice, impaired the respiratory function, triggered pulmonary inflammation and emphysema, and was associated with gut microbiota dysbiosis, cardiac hypertrophy and myocardial fibrosis.
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https://www.hal.inserm.fr/inserm-02521915
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Submitted on : Friday, March 27, 2020 - 4:47:42 PM
Last modification on : Tuesday, November 3, 2020 - 11:22:02 AM

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Emilie Dubois-Deruy, Gaëlle Rémy, Jeanne Alard, Gwenola Kervoaze, Maggy Chwastyniak, et al.. Modelling the Impact of Chronic Cigarette Smoke Exposure in Obese Mice: Metabolic, Pulmonary, Intestinal, and Cardiac Issues. Nutrients, MDPI, 2020, 12 (3), pp.827. ⟨10.3390/nu12030827⟩. ⟨inserm-02521915⟩

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