2022
DOI: 10.1038/s41586-022-04760-8
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Molecularly defined circuits for cardiovascular and cardiopulmonary control

Abstract: The sympathetic and parasympathetic nervous systems powerfully regulate internal organs 1 , but the molecular and functional diversity of their constituent neurons and circuits remains largely unknown. Here we use retrograde neuronal tracing, single-cell RNA sequencing, optogenetics, and physiological experiments to dissect the cardiac parasympathetic control circuit in mice. We show that cardiac-innervating neurons in the brainstem nucleus ambiguus (Amb) are comprised of two molecul… Show more

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Cited by 58 publications
(63 citation statements)
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“…6c-h). Our neuron number and neuron type clusters are comparable to the two recent published NA single cell datasets 45,46 .…”
Section: Single Nucleus Transcriptomic Signatures Of the Na Allow Dis...supporting
confidence: 83%
“…6c-h). Our neuron number and neuron type clusters are comparable to the two recent published NA single cell datasets 45,46 .…”
Section: Single Nucleus Transcriptomic Signatures Of the Na Allow Dis...supporting
confidence: 83%
“…Amb is composed of two molecules that are anatomically and functionally distinct subtypes called ambiguus cardiopulmonary (ACP) and ambiguus cardiovascular (ACV). ACV will sense changes in the peripheral blood pressure and selectively activate the cholinergic cardiovascular ganglion neurons, which regulate the cardiovascular function, whereas ACP is recently found and activates the dive reflex which can also induce bronchoconstriction simultaneously (Veerakumar et al, 2022 ). Ching-Yi Tsai used DTI to revise the baroreflex neural circuits that consist of nucleus tractus solitarii (NTS) and Amb or the rostral ventrolateral medulla (RVLM) and the caudal ventrolateral medulla (CVLM).…”
Section: Cardiovascular Dysfunction-related Neural Network After Strokementioning
confidence: 99%
“…Next, we assessed which types of nerves are affected by aging. The heart is innervated by sympathetic, parasympathetic and sensory fibers, which are commonly stained for tyrosine hydroxylase (TH) 16,17 , choline acetyltransferase (ChAT) 18,19 and calcitonin gene-related peptide (CGRP) 20 , respectively. TH-positive nerves were present in both ventricles, but were selectively reduced in the left ventricle of aged mice ( Fig.1f ).…”
Section: Main Textmentioning
confidence: 99%