ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2017
Muscarinic Acetylcholine Receptors and M-Currents Underlie Efferent-Mediated Slow Excitation in Calyx-Bearing Vestibular Afferents.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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29 citing papers in PubMed, 54 citations in OpenAlex.
- Selective genetic targeting of the mouse efferent vestibular nucleus identifies monosynaptic inputs and indicates function as multimodal integrator.Journal of neurophysiology · 2026Article
- Electrophysiological Characterization of Murine Vestibular Efferent Neurons and Modulation by Acute Peripheral Vestibular Deprivation.Neuroscience bulletin · 2026Article
- Neurotransmitter regulatory networks in persistent postural-perceptual dizziness: potential mechanisms and therapeutic implications.Frontiers in neurology · 2026Review
- Close Packing of Cells in Vestibular Epithelia Supports Local Electrical Potentials that Reduce Latency of Action Potential Generation.bioRxiv : the preprint server for biology · 2025Article
- Inhibition of Ionic Currents by Fluoxetine in Vestibular Calyces in Different Epithelial Loci.International journal of molecular sciences · 2024Article
- Nortriptyline-Induced Room Tilt Illusion.Cureus · 2024Article
- Muscarinic Acetylcholine Receptors Modulate HCN Channel Properties in Vestibular Ganglion Neurons.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2023Article
- Nonquantal transmission at the vestibular hair cell-calyx synapse: KProceedings of the National Academy of Sciences of the United States of America · 2023Article
- Simultaneous Dual Recordings From Vestibular Hair Cells and Their Calyx Afferents Demonstrate Multiple Modes of Transmission at These Specialized Endings.Frontiers in neurology · 2022Review
- The mammalian efferent vestibular system utilizes cholinergic mechanisms to excite primary vestibular afferents.Scientific reports · 2021Article
- Characterizing the Access of Cholinergic Antagonists to Efferent Synapses in the Inner Ear.Frontiers in neuroscience · 2021Article
- Dopaminergic Inhibition of NaFrontiers in neuroscience · 2021Article
- Cholinergic Modulation of Membrane Properties of Calyx Terminals in the Vestibular Periphery.Neuroscience · 2021Article
- Activation of GABAJournal of neurophysiology · 2020Article
- Developmental GAD2 Expression Reveals Progenitor-like Cells with Calcium Waves in Mammalian Crista Ampullaris.iScience · 2020Article
- Efferent synaptic transmission at the vestibular type II hair cell synapse.Journal of neurophysiology · 2020Article
- KNeuroscience · 2020Article
- A review of efferent cholinergic synaptic transmission in the vestibular periphery and its functional implications.Journal of neurophysiology · 2020Review
- Efferent Inputs Are Required for Normal Function of Vestibular Nerve Afferents.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2019Article
- Enhanced Activation of HCN Channels Reduces Excitability and Spike-Timing Regularity in Maturing Vestibular Afferent Neurons.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2019Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
Abstract
Stimulation of vestibular efferent neurons excites calyx and dimorphic (CD) afferents. This excitation consists of fast and slow components that differ >100-fold in activation kinetics and response duration. In the turtle, efferent-mediated fast excitation arises in CD afferents when the predominant efferent neurotransmitter acetylcholine (ACh) activates calyceal nicotinic ACh receptors (nAChRs); however, it is unclear whether the accompanying efferent-mediated slow excitation is also attributed to cholinergic mechanisms. To identify synaptic processes underlying efferent-mediated slow excitation, we recorded from CD afferents innervating the turtle posterior crista during electrical stimulation of efferent neurons, in combination with pharmacological probes and mechanical stimulation. Efferent-mediated slow excitation was unaffected by nAChR compounds that block efferent-mediated fast excitation, but were mimicked by muscarine and antagonized by atropine, indicating that it requires ACh and muscarinic ACh receptor (mAChR) activation. Efferent-mediated slow excitation or muscarine application enhanced the sensitivity of CD afferents to mechanical stimulation, suggesting that mAChR activation increases afferent input impedance by closing calyceal potassium channels. These observations were consistent with suppression of a muscarinic-sensitive K
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