Gut-to-brain vagal afferents transmit reward signals

IF 51 1区 医学 Q1 GASTROENTEROLOGY & HEPATOLOGY
Kenny L. Chan
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引用次数: 0
内脏到大脑的迷走神经传入传递奖励信号
尽管肠-脑轴一直被认为指导情绪和行为,但直到2018年,才在神经回路水平上对其进行了彻底的研究,当时韩及其同事的一篇重要论文描绘了肠-脑回路刺激奖励行为。通过绘制和操纵周围神经系统,研究人员发现迷走神经结节神经节中的感觉神经元从肠道传递信号,触发中脑黑质释放多巴胺。因此,刺激这些感觉神经元是有益的,足以调节味觉或地点偏好。虽然现在在神经胃肠病学的关键,这项工作最初遇到了概念和技术上的障碍。例如,迷走神经通常与负价相关联,充当停止进食和促进饱腹感的制动器。然而,利用跨突触病毒追踪,本研究表明,支配肠道神经的迷走神经传入神经直接上升并激活大脑的奖励处理区域。这一发现代表了一个教条的转变,说明基于营养的奖励信号可以通过迷走神经回路从胃肠道传递,而不仅仅是通过神经内分泌信号,正如之前所认为的那样。
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来源期刊
CiteScore
52.30
自引率
0.60%
发文量
147
审稿时长
6-12 weeks
期刊介绍: Nature Reviews Gastroenterology & Hepatology aims to serve as the leading resource for Reviews and commentaries within the scientific and medical communities it caters to. The journal strives to maintain authority, accessibility, and clarity in its published articles, which are complemented by easily understandable figures, tables, and other display items. Dedicated to providing exceptional service to authors, referees, and readers, the editorial team works diligently to maximize the usefulness and impact of each publication. The journal encompasses a wide range of content types, including Research Highlights, News & Views, Comments, Reviews, Perspectives, and Consensus Statements, all pertinent to gastroenterologists and hepatologists. With its broad scope, Nature Reviews Gastroenterology & Hepatology ensures that its articles reach a diverse audience, aiming for the widest possible dissemination of valuable information. Nature Reviews Gastroenterology & Hepatology is part of the Nature Reviews portfolio of journals.
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