2,162 results found
    1. Cell Biology
    2. Neuroscience

    Repair of noise-induced damage to stereocilia F-actin cores is facilitated by XIRP2 and its novel mechanosensor domain

    Elizabeth L Wagner, Jun-Sub Im ... Jung-Bum Shin
    A novel mechanism for F-actin repair is involved in the maintenance of sensory hair cells and hearing function.
    1. Neuroscience

    Mechanical overstimulation causes acute injury and synapse loss followed by fast recovery in lateral-line neuromasts of larval zebrafish

    Melanie Holmgren, Michael E Ravicz ... Lavinia Sheets
    Mechanically induced injury of zebrafish lateral-line organs shares key features of damage observed in noise-exposed mammalian ears, such as inflammation and synapse loss, yet, unlike mammals, rapidly repairs following damage.
    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

    Sound exposure dynamically induces dopamine synthesis in cholinergic LOC efferents for feedback to auditory nerve fibers

    Jingjing Sherry Wu, Eunyoung Yi ... Elisabeth Glowatzki
    Based on the animal’s recent history of sound exposure, cholinergic auditory brainstem neurons dynamically regulate dopamine synthesis for inhibitory feedback to the inner ear.
    1. Neuroscience

    Auditory sensory deprivation induced by noise exposure exacerbates cognitive decline in a mouse model of Alzheimer’s disease

    Fabiola Paciello, Marco Rinaudo ... Claudio Grassi
    Central damage and sensory deprivation caused by noise-induced hearing loss in the pre-symptomatic Alzheimer's disease (AD) phase can compromise auditory cortex-hippocampal circuitry, targeting common pathogenetic pathways, thereby accelerating onset and progression of AD phenotype.
    1. Chromosomes and Gene Expression

    Mutations in L-type amino acid transporter-2 support SLC7A8 as a novel gene involved in age-related hearing loss

    Meritxell Espino Guarch, Mariona Font-Llitjós ... Virginia Nunes
    SLC7A8 a neutral amino acid transporter has a key role in the maintenance of hearing during aging and its absence causes early onset of hearing loss.
    1. Neuroscience

    Neural signatures of auditory hypersensitivity following acoustic trauma

    Matthew McGill, Ariel E Hight ... Daniel B Polley
    Chronic two-photon calcium imaging, optogenetics, and operant behavioral approaches were leveraged to show that hyperactivity, hyperresponsivity, and hypersynchronization in auditory cortex neural ensembles can account for auditory hypersensitivity following acoustic trauma.
    1. Neuroscience

    Cellular cartography of the organ of Corti based on optical tissue clearing and machine learning

    Shinji Urata, Tadatsune Iida ... Shigeo Okabe
    A method of generating comprehensive maps of cochlear cells was created and enabled researchers to study characteristics of cellular damage in aged and noise-exposed inner ear.
    1. Neuroscience

    Noise-induced plasticity of KCNQ2/3 and HCN channels underlies vulnerability and resilience to tinnitus

    Shuang Li, Bopanna I Kalappa, Thanos Tzounopoulos
    Mice that successfully avoid developing tinnitus despite exposure to excessive noise show spontaneous recovery of KCNQ2/3 potassium channel activity associated with a reduction in HCN channel activity in auditory brainstem neurons.
    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.

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