{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T20:33:22Z","timestamp":1792787602186,"version":"4.5.0"},"reference-count":54,"publisher":"American Society for Clinical Investigation","issue":"19","license":[{"start":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T00:00:00Z","timestamp":1791417600000},"content-version":"vor","delay-in-days":44,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"NIDCD","award":["R01DC014712"],"award-info":[{"award-number":["R01DC014712"]}],"id":[{"id":"https:\/\/ror.org\/04mhx6838","id-type":"ROR","asserted-by":"crossref"}]},{"name":"DOD","award":["W81XWH-22-1-0773"],"award-info":[{"award-number":["W81XWH-22-1-0773"]}]},{"name":"DOD","award":["W81XWH-19-1-0627"],"award-info":[{"award-number":["W81XWH-19-1-0627"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,10,8]]},"abstract":"<jats:p>Noise-induced hearing loss (NIHL) is a major public health problem caused by damage to cochlear hair cells, synapses, and spiral ganglion neurons (SGNs). Since effective treatments are lacking, we investigated cellular stress responses induced by moderate and loud noise in a mouse model of cochlear synaptopathy. RNA-seq and spatial transcriptomics revealed that noise exposure elicited a robust but transient upregulation of endoplasmic reticulum chaperones and proteasome subunits in SGNs and their supporting cells. To target this response, we administered TRC051384, a small-molecule activator of the heat shock transcription factor Hsf1, prior to noise exposure. TRC051384 crossed the blood-labyrinth barrier and reached the cochlea, induced heat shock protein gene expression, and restored ubiquitin-proteasome function in SGNs. Notably, TRC051384 treatment enhanced auditory brainstem response threshold recovery, preserved Wave I amplitudes, and maintained ribbon synapse density. Together with the existing literature, these findings identify proteotoxic stress in SGNs as a contributor to noise-induced hearing loss and support pharmacological activation of HSF1 as a promising therapeutic strategy.<\/jats:p>","DOI":"10.1172\/jci.insight.203285","type":"journal-article","created":{"date-parts":[[2026,8,25]],"date-time":"2026-08-25T16:00:17Z","timestamp":1787673617000},"source":"Crossref","is-referenced-by-count":1,"title":["Heat shock pathway activation by TRC051384 protects spiral ganglion neurons from noise-induced hearing loss"],"prefix":"10.1172","volume":"11","author":[{"given":"Jintao","family":"Yu","sequence":"first","affiliation":[{"name":"Department of Neurology,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Miguel A.","family":"Ramirez","sequence":"additional","affiliation":[{"name":"Department of 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