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Highly selective brain-to-gut communication via genetically defined vagus neurons

机译:通过基因定义的迷走神经元具有高度选择性的脑 - 肠道通信

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摘要

The vagus nerve innervates many organs, and most, if not all, of its motor fibers are cholinergic. However, no one knows its organizing principles-whether or not there are dedicated neurons with restricted targets that act as "labeled lines"to perform certain functions, including two opposing ones (gastric contraction versus relaxation). By performing unbiased transcriptional profiling of DMV cholinergic neurons, we discovered seven molecularly distinct subtypes of motor neurons. Then, by using subtype-specific Cre driver mice, we show that two of these subtypes exclusively innervate the glandular domain of the stomach where, remarkably, they contact different enteric neurons releasing functionally opposing neurotransmitters (acetylcholine versus nitric oxide). Thus, the vagus motor nerve communicates via genetically defined labeled lines to control functionally unique enteric neurons within discrete subregions of the gastrointestinal tract. This discovery reveals that the parasympathetic nervous system utilizes a striking division of labor to control autonomic function.
机译:None

著录项

  • 来源
    《Neuron》 |2021年第13期|共15页
  • 作者单位

    Harvard Med Sch Beth Israel Deaconess Med Ctr Dept Med Div Endocrinol Boston MA 02215 USA;

    Harvard Med Sch Beth Israel Deaconess Med Ctr Dept Med Div Endocrinol Boston MA 02215 USA;

    Harvard Med Sch Beth Israel Deaconess Med Ctr Dept Med Div Endocrinol Boston MA 02215 USA;

    Harvard Med Sch Beth Israel Deaconess Med Ctr Dept Med Div Endocrinol Boston MA 02215 USA;

    Harvard Med Sch Program Neurosci Boston MA 02115 USA;

    Harvard Med Sch Beth Israel Deaconess Med Ctr Dept Med Div Endocrinol Boston MA 02215 USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 神经病学;
  • 关键词

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