布罗卡对角线带的神经元可调节食物摄入量

IF 3.7 3区 医学 Q2 CHEMISTRY, MEDICINAL
Senegal Carty
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引用次数: 0

摘要

确定调节进食行为的神经机制有助于推进肥胖症和进食障碍的治疗和预防。这些DBBPENK神经元的一个亚群从DBB投射到下丘脑室旁核(PVH),另一个亚群投射到下丘脑外侧核(LH)。研究人员假设,这两个神经元亚群在进食控制中具有不同的作用。为了验证这一假设,研究人员比较了当给空腹或进食的小鼠喂食正常食物或脂肪、含糖食物时,PVH投射的DBBPENK神经元和LH投射的DBBPENK神经元的反应强度。他们证明,与饱食小鼠相比,禁食小鼠的PVH投射DBBPENK神经元对食物的反应更灵敏。无论研究人员给小鼠喂食正常食物还是含脂肪和糖分的食物,情况都是如此。另一方面,当小鼠摄入含糖、含脂肪的食物时,LH突起的DBBPENK神经元比摄入正常食物时更活跃。这种反应在禁食和进食的小鼠身上都能看到。研究人员还发现,光遗传刺激PVH突起的DBBPENK神经元会促进小鼠摄食量的增加,而刺激LH突起的DBBPENK神经元则会导致动物的摄食量低于野生型对照组。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Neurons in the diagonal band of Broca moderate food intake

Neurons in the diagonal band of Broca moderate food intake
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来源期刊
CiteScore
7.90
自引率
7.30%
发文量
215
审稿时长
3.5 months
期刊介绍: Chemical Research in Toxicology publishes Articles, Rapid Reports, Chemical Profiles, Reviews, Perspectives, Letters to the Editor, and ToxWatch on a wide range of topics in Toxicology that inform a chemical and molecular understanding and capacity to predict biological outcomes on the basis of structures and processes. The overarching goal of activities reported in the Journal are to provide knowledge and innovative approaches needed to promote intelligent solutions for human safety and ecosystem preservation. The journal emphasizes insight concerning mechanisms of toxicity over phenomenological observations. It upholds rigorous chemical, physical and mathematical standards for characterization and application of modern techniques.
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