13 results found
    1. Genetics and Genomics
    2. Neuroscience

    Sensory transduction is required for normal development and maturation of cochlear inner hair cell synapses

    John Lee, Kosuke Kawai ... Gwenaëlle SG Géléoc
    Genetic deficits in auditory sensory transduction evoke changes in development and maturation of synapses between inner hair cells and spiral ganglion neurons, which can be partially recovered using inner ear gene therapy.
    1. Neuroscience

    Cochlear Synaptopathy: Unravelling hidden hearing loss

    Emmanuel Ponsot
    Damage to the synapses connecting hair cells to the auditory nerve leads to undetected hearing impairments.
    Version of Record
    Insight
    1. Neuroscience

    Otoferlin acts as a Ca2+ sensor for vesicle fusion and vesicle pool replenishment at auditory hair cell ribbon synapses

    Nicolas Michalski, Juan D Goutman ... Christine Petit
    Targeted mutations in a Ca2+-binding site of otoferlin, a transmembrane protein of synaptic vesicles defective in a recessive form of deafness, reveal its Ca2+ sensor role both for vesicle fusion and vesicle pool replenishment.
    1. Neuroscience

    GluA3 subunits are required for appropriate assembly of AMPAR GluA2 and GluA4 subunits on cochlear afferent synapses and for presynaptic ribbon modiolar–pillar morphology

    Mark A Rutherford, Atri Bhattacharyya ... Maria Eulalia Rubio
    Ultrastructural and imaging studies of cochlear ribbon synapses demonstrate cis- and trans-synaptic molecular and structural effects in the absence of the AMPA-type glutamate receptor subunit GluA3 during mouse development in ambient sound levels.
    1. Neuroscience

    Fast-spiking GABA circuit dynamics in the auditory cortex predict recovery of sensory processing following peripheral nerve damage

    Jennifer Resnik, Daniel B Polley
    Dynamic regulation of feedforward inhibition from parvalbumin-expressing inhibitory neurons is linked to the gradual restoration of cortical sensory processing following auditory nerve damage.
    1. Neuroscience

    Exposing distinct subcortical components of the auditory brainstem response evoked by continuous naturalistic speech

    Melissa J Polonenko, Ross K Maddox
    The response from discrete stages of the early auditory pathway can be measured by subtle manipulations to long-form natural speech stimuli paired with deconvolution analysis of electroencephalography data.
    1. Neuroscience

    Neurotrophin-3 regulates ribbon synapse density in the cochlea and induces synapse regeneration after acoustic trauma

    Guoqiang Wan, Maria E Gómez-Casati ... Gabriel Corfas
    Overexpression of the growth factor neurotrophin-3 helps to repair noise-induced damage in the mouse inner ear by promoting the regeneration of damaged synapses.
    1. Neuroscience

    Bottom-up and top-down neural signatures of disordered multi-talker speech perception in adults with normal hearing

    Aravindakshan Parthasarathy, Kenneth E Hancock ... Daniel B Polley
    Ear canal EEG and pupillometry reveal disordered temporal processing in adults with normal hearing who struggle to understand conversations in noisy backgrounds.
    1. Biochemistry and Chemical Biology

    Specific binding of Hsp27 and phosphorylated Tau mitigates abnormal Tau aggregation-induced pathology

    Shengnan Zhang, Yi Zhu ... Dan Li
    Structural basis and molecular mechanism of how molecular chaperone Hsp27 specifically captures phosphorylated Tau and prevents it from abnormal aggregation.
    1. Neuroscience

    REV-ERBα mediates complement expression and diurnal regulation of microglial synaptic phagocytosis

    Percy Griffin, Patrick W Sheehan ... Erik S Musiek
    The BMAL1-REV-ERB axis controls expression of complement C4b expression and microglial synaptic phagoctyosis, providing a link between cellular circadian clock function and synaptic regulation.

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