ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2019
Developmental Synaptic Changes at the Transient Olivocochlear-Inner Hair Cell Synapse.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 16 citations in OpenAlex.
- Transient Sleep Deprivation Induces Persistent Auditory Neuropathy via ROS-Initiated Neuroinflammation and BK Channel Suppression.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- 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
- GABAergic synapses between auditory efferent neurons and type II spiral ganglion afferent neurons in the mouse cochlea.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- 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
- Characterization of the microRNA transcriptomes and proteomics of cochlear tissue-derived small extracellular vesicles from mice of different ages after birth.Cellular and molecular life sciences : CMLS · 2022Article
- Efferent feedback controls bilateral auditory spontaneous activity.Nature communications · 2021Article
- Axodendritic versus axosomatic cochlear efferent termination is determined by afferent type in a hierarchical logic of circuit formation.Science advances · 2021Article
- The Hair Cell α9α10 Nicotinic Acetylcholine Receptor: Odd Cousin in an Old Family.Frontiers in cellular neuroscience · 2021Review
- Characterization of HA-tagged α9 and α10 nAChRs in the mouse cochlea.Scientific reports · 2020Article
- Nicotine evoked efferent transmitter release onto immature cochlear inner hair cells.Journal of neurophysiology · 2020Article
- Functional Postnatal Maturation of the Medial Olivocochlear Efferent-Outer Hair Cell Synapse.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2020Article
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Authors and funding
6 authors at 2 institutions in 1 country.
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Abstract
In the mature mammalian cochlea, inner hair cells (IHCs) are mainly innervated by afferent fibers that convey sound information to the CNS. During postnatal development, however, medial olivocochlear (MOC) efferent fibers transiently innervate the IHCs. The MOC-IHC synapse, functional from postnatal day 0 (P0) to hearing onset (P12), undergoes dramatic changes in the sensitivity to acetylcholine (ACh) and in the expression of key postsynaptic proteins. To evaluate whether there are associated changes in the properties of ACh release during this period, we used a cochlear preparation from mice of either sex at P4, P6-P7, and P9-P11 and monitored transmitter release from MOC terminals in voltage-clamped IHCs in the whole-cell configuration. The quantum content increased 5.6× from P4 to P9-P11 due to increases in the size and replenishment rate of the readily releasable pool of synaptic vesicles without changes in their probability of release or quantum size. This strengthening in transmission was accompanied by changes in short-term plasticity properties, which switched from facilitation at P4 to depression at P9-P11. We have previously shown that at P9-P11, ACh release is supported by P/Q- and N-type voltage-gated calcium channels (VGCCs) and negatively regulated by BK potassium channels activated by Ca
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