{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T03:38:38Z","timestamp":1792726718093,"version":"4.5.0"},"reference-count":31,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2014,1,16]],"date-time":"2014-01-16T00:00:00Z","timestamp":1389830400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["R01 DC012058"],"award-info":[{"award-number":["R01 DC012058"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["P50 DC000422"],"award-info":[{"award-number":["P50 DC000422"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["aao-hnsfjournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Otolaryngol.--head neck surg."],"published-print":{"date-parts":[[2014,4]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>Identify cells supporting cochlear lateral wall regeneration.<\/jats:p><\/jats:sec><jats:sec><jats:title>Study Design<\/jats:title><jats:p>Prospective controlled trial.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting<\/jats:title><jats:p>Laboratory. Human presbyacusis occurs, in part, secondary to age\u2010related degeneration of cochlear lateral wall structures such as the stria vascularis and spiral ligament fibrocytes. This degeneration is likely linked to the diminished regenerative capacity of lateral wall cells with age. While lateral wall regeneration is known to occur after an acute insult, this process remains poorly understood and the cells capable of self\u2010replication unidentified. We hypothesized that spiral ligament fibrocytes constitute these proliferative cells.<\/jats:p><\/jats:sec><jats:sec><jats:title>Subjects and Methods<\/jats:title><jats:p>To test the hypothesis, an acute ototoxic insult was created in 65\u00a0normal\u2010hearing, young adult mice via cochlear exposure to heptanol. Sacrifice occurred at 1 to 60\u00a0days posttreatment. Auditory brainstem responses, 5\u2010ethynyl\u20102\u2032\u2212deoxyuridine assay, and immunostaining were used to assess regeneration.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Posttreatment hearing thresholds were elevated in nearly all treated mice. Selective fibrocyte apoptosis and strial injury were observed at the time of peak hearing loss around 1 to 7\u00a0days posttreatment. Cellular proliferation was detected in the region of type II fibrocytes during this time. Hearing thresholds plateaued at 7\u00a0days posttreatment followed by a significant recovery of both hearing and morphologic appearance. Permanent outer hair cell degeneration was observed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Heptanol application to the round window of young adult mice is a rapid, selective, and reliable technique for investigating proliferation in the cochlear lateral wall. The data indirectly showed that spiral ligament fibrocytes may be the proliferative cells of the cochlear lateral wall. Further studies of this process are needed.<\/jats:p><\/jats:sec>","DOI":"10.1177\/0194599813518876","type":"journal-article","created":{"date-parts":[[2014,1,16]],"date-time":"2014-01-16T20:16:51Z","timestamp":1389903411000},"page":"659-665","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Heptanol Application to the Mouse Round Window: A Model for Studying Cochlear Lateral Wall Regeneration"],"prefix":"10.1002","volume":"150","author":[{"given":"Shawn M.","family":"Stevens","sequence":"first","affiliation":[{"name":"Department of Otolaryngology\u2013Head and Neck Surgery Medical University of South Carolina Charleston South Carolina USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yazhi","family":"Xing","sequence":"additional","affiliation":[{"name":"Department of Pathology and Laboratory Medicine Medical University of South Carolina Charleston South Carolina 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