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Brown Adipose Tissue: A Metabolic Regulator in a Hypothalamic Cross Talk?
Annual Review of Physiology ( IF 18.2 ) Pub Date : 2021-02-10 , DOI: 10.1146/annurev-physiol-032420-042950
Jo B Henningsen 1 , Camilla Scheele 1
Affiliation  

Since the discovery of functionally competent, energy-consuming brown adipose tissue (BAT) in adult humans, much effort has been devoted to exploring this tissue as a means for increasing energy expenditure to counteract obesity. However, despite promising effects on metabolic rate and insulin sensitivity, no convincing evidence for weight-loss effects of cold-activated human BAT exists to date. Indeed, increasing energy expenditure would naturally induce compensatory feedback mechanisms to defend body weight. Interestingly, BAT is regulated by multiple interactions with the hypothalamus from regions overlapping with centers for feeding behavior and metabolic control. Therefore, in the further exploration of BAT as a potential source of novel drug targets, we discuss the hypothalamic orchestration of BAT activity and the relatively unexplored BAT feedback mechanisms on neuronal regulation. With a holistic view on hypothalamic-BAT interactions, we aim to raise ideas and provide a new perspective on this circuit and highlight its clinical relevance.

中文翻译:


棕色脂肪组织:下丘脑串扰中的代谢调节剂?

自从在成人中发现功能强大、消耗能量的棕色脂肪组织 (BAT) 以来,人们一直致力于探索这种组织作为增加能量消耗以对抗肥胖的手段。然而,尽管对代谢率和胰岛素敏感性产生了有希望的影响,但迄今为止还没有令人信服的证据表明冷激活人类 BAT 的减肥效果。事实上,增加能量消耗自然会引起补偿性反馈机制来保护体重。有趣的是,BAT 受与下丘脑的多重相互作用的调节,这些相互作用来自与进食行为和代谢控制中心重叠的区域。因此,在进一步探索 BAT 作为新药靶点的潜在来源时,我们讨论了 BAT 活动的下丘脑协调以及相对未开发的 BAT 神经元调节反馈机制。凭借对下丘脑-BAT 相互作用的整体看法,我们旨在提出想法并提供有关该回路的新视角,并突出其临床相关性。

更新日期:2021-02-11
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