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European Journal of Nutrition 可可碱通过抑制 phosphodiesterase-4 减轻饮食诱导的小鼠肥胖
影响因子:4.865 DOI:10.1007/s00394-020-02184-6
作者: Jang, Myeong Hwan,Mukherjee, Sulagna,Choi, Min Ji,Kang, Nam Hyeon,Pham, Huong Giang,Yun, Jong Won 发表时间:2020-02-03 02:20:06
keywords: Jang Myeong HwanMukherjee SulagnaChoi Min JiKang Nam HyeonPham Huong GiangYun Jong Won
关键词:
Abstract
Purpose Modern science has given much attention to the treatment of obesity by activating brown adipose tissue (BAT) and browning of white adipose tissue (WAT). Recent studies have identified theobromine, a derivative of cocoa, as a potent natural component actively browning white fat cells. Here, we aimed to deduce the anti-obesity effect of theobromine involving phosphodiesterase (PDE) dependent-regulatory pathway in obese animal models. Methods For examining activity of theobromine, C57BL/6 mice were fed with high fat diet and treated with theobromine to determine the expression levels of protein markers by immunoblot analysis and gene targets by quantitative real-time PCR. Other methods used include histopathological studies, immunofluorescence and molecular docking approaches. Results Theobromine alleviated diet-induced obesity in mice by browning of iWAT and activating BAT. Further, theobromine actively interacted with PDE4D and inhibited its activity in adipose tissues and cells potentiating energy expenditure. Moreover, the regulatory action of theobromine via inhibition of PDE4D was mediated by β3-AR signaling pathway. Conclusion Altogether, the current results signifies critical role of theobromine in reducing obesity by regulation of lipid metabolism through inhibition of PDE4, indicating its potential as a major therapeutic medicinal compound.
摘 要
目的通过激活棕色脂肪组织 (BAT) 和白色脂肪组织褐变 (WAT) 治疗肥胖受到现代科学的重视。最近的研究已经确定可可碱,可可的衍生物,作为一种有效的天然成分积极褐变白色脂肪细胞。在此,我们旨在推断可可碱在肥胖动物模型中涉及磷酸二酯酶 (PDE) 依赖性调控通路的抗肥胖作用。检查可可碱活性的方法, c57BL/6 小鼠以高脂饲料喂养,用可可碱处理,通过免疫印迹分析确定蛋白标志物的表达水平,并通过定量实时 PCR 确定基因靶点。使用的其他方法包括组织病理学研究,免疫荧光和分子对接方法。结果可可碱通过使 iWAT 褐变和激活 BAT 减轻饮食诱导的小鼠肥胖。此外,可可碱与 PDE4D 积极相互作用,抑制其在脂肪组织和细胞中的活性,增强能量消耗。此外,可可碱通过抑制 PDE4D 的调节作用由 β3-ar 信号通路介导。结论目前的结果表明可可碱通过抑制 PDE4 调节脂质代谢在减轻肥胖方面具有重要作用,表明其作为主要治疗药物化合物的潜力。
期刊介绍
《EUROPEAN JOURNAL OF NUTRITION》 (点击进入期刊详情)
英文简介 : European Journal of Nutrition publishes original papers, reviews, and short communications in the nutritional sciences. Manuscripts published in European Journal of Nutrition provide current information on the impact of nutrients and non-nutrients on immunology and inflammation, gene expression, metabolism, chronic diseases, or carcinogenesis; or show a major focus on epidemiology, including intervention studies with healthy subjects and with patients; on food safety, or on biofunctionality of food and food components.
中文简介 : (来自Google、百度翻译) 《欧洲营养杂志》发表营养科学的原始论文、评论和简短的交流。发表在《欧洲营养杂志》上的手稿提供了营养素和非营养素对免疫学和炎症、基因表达、新陈代谢、慢性疾病或致癌作用的影响的最新信息;或主要关注流行病学,包括对健康受试者和患者的干预研究;食品安全或食物和食物成分的生物功能性。
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医学

NUTRITION & DIETETICS (营养学)

14/83
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年度总发文量 年度论文发表量 年度综述发表量
226 210 16

总被引频次 :6730

特征因子 : 0.012210

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