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What's the mechanism that noise damage cochlea? 


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Excessive sound exposure causes proteotoxicity in the cochlea, leading to noise-induced hearing loss. This is characterized by the accumulation of proteins, including cytoskeletal proteins, and activation of the proteostasis network . Noise overexposure also has auditory, psychological, and physiological effects, including the overproduction of stress hormones and impairment of cellular immunity . The mechanisms of cochlear damage in noise-induced hearing loss involve calcium influx, generation of reactive oxygen species, and activation of cell death pathways . Mechanical stress to cochlear structures, particularly the basilar membrane, is the major pathological basis of noise-induced hearing loss . Acoustic overstimulation causes complex molecular changes in the cochlea, leading to morphological and biological alterations that compromise cochlear function .

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Journal ArticleDOI
Andra E. Talaska, Jochen Schacht 
25 Citations
The mechanism of noise damage to the cochlea involves calcium influx, generation of reactive oxygen species, vasoconstriction, and excitotoxic reactions at the inner hair cell synapse.
The mechanism of cochlear damage in noise-induced hearing loss is not specified in the provided information.
Exposure to loud noise causes proteotoxicity in the cochlea, leading to accumulation of proteins and activation of the proteostasis network.

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