期刊
JOURNAL OF NUTRITIONAL BIOCHEMISTRY
卷 25, 期 10, 页码 1077-1083出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jnutbio.2014.05.010
关键词
Obesity; Adipose tissue; Adiposity; Vitamin D; Micronutrients; Preventive nutrition
资金
- INRA
- Aix-Marseille University
Prospective studies reported an inverse correlation between 25-hydroxyvitamin D [25 (OH)D] plasma levels and prevalence of obesity and type 2 diabetes. In addition, 25(OH)D status may be a determinant of obesity onset. However, the causality between these observations is not yet established. We studied the preventive effect of vitamin D3 (VD3) supplementation (15,000 IU/kg of food for 10 weeks) on onset of obesity in a diet-induced obesity mouse model. We showed that the VD3 supplementation limited weight gain induced by high-fat diet, which paralleled with an improvement of glucose homeostasis. The limitation of weight gain could further be explained by an increased lipid oxidation, possibly due to an up-regulation of genes involved in fatty acid oxidation and mitochondrial metabolism, leading to increased energy expenditure. Altogether, these data show that VD3 regulates energy expenditure and suggest that VD3 supplementation may represent a strategy of preventive nutrition to fight the onset of obesity and associated metabolic disorders. (C) 2014 Elsevier Inc. All rights reserved.
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