ArticleProceedings of the National Academy of Sciences of the United States of America2024
Auditory hair cells and spiral ganglion neurons regenerate synapses with refined release properties in vitro.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Inner Ear Organoids: Recent Progress and Challenges.Stem cell reviews and reports · 2026Review
- Temporal integration in the subcortical auditory system and behavioral evidence of its dysfunction after "temporary" noise-induced hearing loss.bioRxiv : the preprint server for biology · 2026Article
- Functionalized Biomimetic Scaffolds for Human-Derived Auditory Neural Circuit Construction.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- The Impact of Pcdh15 Deficiency on Cellular Energy Metabolism and Oxidative Stress, and Its Role and Mechanism in Hearing Loss.Clinical and experimental otorhinolaryngology · 2026Article
- Review
- Drug Discovery Targeting Nicotinic Acetylcholine Receptors for Hearing Loss.International journal of molecular sciences · 2026Review
- Cochlear histopathology in macaques after noise-induced temporary threshold shifts.Hearing research · 2026Article
- Persistent impairment of spatial hearing and neural binaural interaction after "temporary" noise-induced hearing loss.bioRxiv : the preprint server for biology · 2026Article
- Cochlear isolation in neonatal mice forFrontiers in pharmacology · 2026Article
- Auditory hair cells and spiral ganglion neurons regenerate synapses with refined release properties in vitro.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
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4 authors.
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Abstract
Ribbon synapses between inner hair cells (IHCs) and type I spiral ganglion neurons (SGNs) in the inner ear are damaged by noise trauma and with aging, causing "synaptopathy" and hearing loss. Cocultures of neonatal denervated organs of Corti and newly introduced SGNs have been developed to find strategies for improving IHC synapse regeneration, but evidence of the physiological normality of regenerated synapses is missing. This study utilizes IHC optogenetic stimulation and SGN recordings, showing that, when P3-5 denervated organs of Corti are cocultured with SGNs, newly formed IHC/SGN synapses are indeed functional, exhibiting glutamatergic excitatory postsynaptic currents. When using older organs of Corti at P10-11, synaptic activity probed by deconvolution showed more mature release properties, closer to the specialized mode of IHC synaptic transmission crucial for coding the sound signal. This functional assessment of newly formed IHC synapses developed here, provides a powerful tool for testing approaches to improve synapse regeneration.
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