Ticking and talking in the brainstem satiety centre: Circadian timekeeping and interactions in the diet-sensitive clock of the dorsal vagal complex.

Ticking and talking in the brainstem satiety centre: Circadian timekeeping and interactions in the diet-sensitive clock of the dorsal vagal complex.
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DOI:
10.3389/fphys.2022.931167
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发表时间:
2022
影响因子:
4
通讯作者:
--
中科院分区:
医学2区
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迷走神经背侧复合体(DVC)是整合血液、中枢和迷走神经上升信号的关键中枢,这些信号传递有关代谢和内环境平衡状态的重要信息。研究表明,DVC与终止食物摄入和向饱腹感过渡有关,因此它被认为是脑干饱腹感中心。在自然和实验室环境中,动物在一天中有不同的时间或昼夜节律阶段喜欢进食,但昼夜节律信号是否以及如何影响DVC活动尚不清楚。在这里,我们评估了内在昼夜节律信号如何调节DVC的最后区(AP)、孤束核(NTS)和迷走神经背侧运动核(DMV)的分子和细胞活动。这些振荡器之间的层次和潜在的相互作用以及它们对饮食变化的反应被认为是一个简单的框架,建议在其中对这些振荡器及其相互作用进行建模。我们提出了DVC在摄食行为的昼夜节律控制中的可能功能,并推测了未来的研究方向,包括内在昼夜节律计时知识的翻译价值,脑干。
The dorsal vagal complex (DVC) is a key hub for integrating blood-borne, central, and vagal ascending signals that convey important information on metabolic and homeostatic state. Research implicates the DVC in the termination of food intake and the transition to satiety, and consequently it is considered a brainstem satiety centre. In natural and laboratory settings, animals have distinct times of the day or circadian phases at which they prefer to eat, but if and how circadian signals affect DVC activity is not well understood. Here, we evaluate how intrinsic circadian signals regulate molecular and cellular activity in the area postrema (AP), nucleus of the solitary tract (NTS), and dorsal motor nucleus of the vagus (DMV) of the DVC. The hierarchy and potential interactions among these oscillators and their response to changes in diet are considered a simple framework in which to model these oscillators and their interactions is suggested. We propose possible functions of the DVC in the circadian control of feeding behaviour and speculate on future research directions including the translational value of knowledge of intrinsic circadian timekeeping the brainstem.
DOI: 10.1038/417405a
发表时间: 2002-05-23
期刊: NATURE
影响因子: 64.8
作者:
Cheng, MY;Bullock, CM;Zhou, QY
通讯作者: Zhou, QY
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影响因子: 4
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通讯作者: Piggins HD
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发表时间: 2002-01-01
影响因子: 5.3
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Abe, M;Herzog, ED;Block, GD
通讯作者: Block, GD