ArticleProceedings of the National Academy of Sciences of the United States of America2014
Spatiotemporal pattern of action potential firing in developing inner hair cells of the mouse cochlea.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 51 papers.
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51 citing papers in PubMed, 71 citations in OpenAlex.
- Triggered Calcium Lightning Programs Cochlear Development.Exploration (Beijing, China) · 2026Article
- Spontaneous Calcium Signalling in the Developing Mammalian Cochlea.Journal of the Association for Research in Otolaryngology : JARO · 2026Review
- Spontaneous CaExperimental physiology · 2026Article
- Association between maternal iron deficiency and delayed neonatal auditory maturation and altered cochlear synaptic energy metabolism: analysis from a mother-infant observational study, mouse models, and cochlear explants.Frontiers in nutrition · 2026Article
- Patterned pre-sensory spontaneous activity drives the structural refinement of developing cochlear ribbon synapses.Frontiers in synaptic neuroscience · 2026Article
- Medial Olivocochlear Efferent Modulation of Cochlear Micromechanics Requires P2X4 Receptor in Outer Hair Cells.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025Article
- Co-release of GABA and ACh from Medial Olivocochlear Neurons as a Fine Regulatory Mechanism of Cochlear Efferent Inhibition.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025Article
- Pvalb8, a Type of Oncomodulin, Regulates Neuromast Development and Auditory Function in Zebrafish.Cells · 2025Article
- Kolliker's Organ and Its Functional Role in the Development of Corti's Organ and Auditory Systems.Audiology research · 2025Review
- In vivo spontaneous CaNature communications · 2025Article
- Mechanisms driving the functional maturation of the developing mammalian auditory pathway.Current topics in developmental biology · 2025Review
- Co-release of GABA and ACh from medial olivocochlear neurons fine tunes cochlear efferent inhibition.bioRxiv : the preprint server for biology · 2024Article
- Priming central sound processing circuits through induction of spontaneous activity in the cochlea before hearing onset.Trends in neurosciences · 2024Review
- Closing the Gap between the Auditory Nerve and Cochlear Implant Electrodes: Which Neurotrophin Cocktail Performs Best for Axonal Outgrowth and Is Electrical Stimulation Beneficial?International journal of molecular sciences · 2023Article
- Diverse identities and sites of action of cochlear neurotransmitters.Hearing research · 2022Review
- The CleLife · 2022Article
- Kölliker's organ-supporting cells and cochlear auditory development.Frontiers in molecular neuroscience · 2022Review
- Neurovascular responses to neuronal activity during sensory development.Frontiers in cellular neuroscience · 2022Article
- Review
- SK Current, Expressed During the Development and Regeneration of Chick Hair Cells, Contributes to the Patterning of Spontaneous Action Potentials.Frontiers in cellular neuroscience · 2021Article
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Inner hair cells (IHCs) are the primary transducer for sound encoding in the cochlea. In contrast to the graded receptor potential of adult IHCs, immature hair cells fire spontaneous calcium action potentials during the first postnatal week. This spiking activity has been proposed to shape the tonotopic map along the ascending auditory pathway. Using perforated patch-clamp recordings, we show that developing IHCs fire spontaneous bursts of action potentials and that this pattern is indistinguishable along the basoapical gradient of the developing cochlea. In both apical and basal IHCs, the spiking behavior undergoes developmental changes, where the bursts of action potential tend to occur at a regular time interval and have a similar length toward the end of the first postnatal week. Although disruption of purinergic signaling does not interfere with the action potential firing pattern, pharmacological ablation of the α9α10 nicotinic receptor elicits an increase in the discharge rate. We therefore suggest that in addition to carrying place information to the ascending auditory nuclei, the IHCs firing pattern controlled by the α9α10 receptor conveys a temporal signature of the cochlear development.
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