首页> 外文期刊>European journal of nutrition >Resveratrol increases brown adipose tissue thermogenesis markers by increasing SIRT1 and energy expenditure and decreasing fat accumulation in adipose tissue of mice fed a standard diet
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Resveratrol increases brown adipose tissue thermogenesis markers by increasing SIRT1 and energy expenditure and decreasing fat accumulation in adipose tissue of mice fed a standard diet

机译:白藜芦醇通过增加SIRT1和能量消耗并减少饲喂标准饮食的小鼠脂肪组织中的脂肪积累来增加棕色脂肪组织的生热指标

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Adipose tissue is central to the regulation of energy balance. Two functionally different fat pads are present in mammals: white adipose tissue, the primary site of triglyceride storage, and brown adipose tissue (BAT), which is specialized in heat production. In this context, new strategies capable of modulating the development and function of white and BAT become relevant. In the present study, we analyzed the influence of resveratrol (sirtuin activator) on energy balance and the expression of thermogenesis markers. Mice were divided into two groups: standard diet (ST) and standard diet plus resveratrol (ST + RSV). After 2 months of treatment, ST + RSV mice presented significantly decreased fat accumulation in adipose tissue, with diminished total cholesterol and glucose plasma levels. Additionally, increased oxygen consumption was observed in ST + RSV group. Analyses of mRNA of thermogenesis-related genes showed significant increase in UCP1, SIRT1, PTEN and BMP-7 expression in BAT. Our data suggest that improved metabolism produced by oral administration of resveratrol is, at least in part, associated with increased thermogenesis followed by high expression of UCP1 and SIRT1, which can mediate higher energy expenditure and decreased fat accumulation in adipose tissue
机译:脂肪组织对能量平衡的调节至关重要。哺乳动物中存在两种功能不同的脂肪垫:白色脂肪组织(甘油三酸酯储存的主要部位)和棕色脂肪组织(BAT)(专门用于产生热量)。在这种情况下,能够调节白色和BAT的发育和功能的新策略变得有意义。在本研究中,我们分析了白藜芦醇(sirtuin激活剂)对能量平衡和生热标记表达的影响。将小鼠分为两组:标准饮食(ST)和标准饮食加白藜芦醇(ST + RSV)。治疗2个月后,ST + RSV小鼠脂肪组织中的脂肪堆积显着减少,总胆固醇和葡萄糖血浆水平降低。此外,在ST + RSV组中观察到了耗氧量的增加。热生成相关基因的mRNA分析显示,BAT中UCP1,SIRT1,PTEN和BMP-7表达显着增加。我们的数据表明,口服白藜芦醇产生的改善的代谢至少部分与产热增加,UCP1和SIRT1的高表达有关,后者可以介导更高的能量消耗和脂肪组织中脂肪的减少

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