{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T08:39:19Z","timestamp":1791275959104,"version":"4.1.0"},"reference-count":40,"publisher":"Wiley","issue":"3-4","license":[{"start":{"date-parts":[[2013,4,22]],"date-time":"2013-04-22T00:00:00Z","timestamp":1366588800000},"content-version":"vor","delay-in-days":52,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The Journal of Gene Medicine"],"published-print":{"date-parts":[[2013,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Gene transfer into the inner ear is a promising approach for treating sensorineural hearing loss. The special electrochemical environment of the scala media raises a formidable challenge for effective gene delivery at the same time as keeping normal cochlear function intact. The present study aimed to define a suitable strategy for preserving hearing after viral inoculation directly into the scala media performed at various postnatal developmental stages.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We assessed transgene expression of green fluorescent protein (GFP) mediated by various types of adeno\u2010associated virus (AAV) and lentivirus (LV) in the mouse cochlea. Auditory brainstem responses were measured 30\u2009days after inoculation to assess effects on hearing.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Patterns of GFP expression confirmed extensive exogenous gene expression in various types of cells lining the endolymphatic space. The use of different viral vectors and promoters resulted in specific cellular GFP expression patterns. AAV2\/1 with cytomegalovirus promoter apparently gave the best results for GFP expression in the supporting cells. Histological examination showed normal cochlear morphology and no hair cell loss after either AAV or LV injections. We found that hearing thresholds were not significantly changed when the injections were performed in mice younger than postnatal day 5, regardless of the type of virus tested.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Viral inoculation and expression in the inner ear for the restoration of hearing must not damage cochlear function. Using normal hearing mice as a model, we have achieved this necessary step, which is required for the treatment of many types of congenital deafness that require early intervention. Copyright \u00a9 2013 John Wiley &amp; Sons, Ltd.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jgm.2701","type":"journal-article","created":{"date-parts":[[2013,2,15]],"date-time":"2013-02-15T10:58:48Z","timestamp":1360925928000},"page":"123-133","source":"Crossref","is-referenced-by-count":43,"title":["Early postnatal virus inoculation into the scala media achieved extensive expression of exogenous green fluorescent protein in the inner ear and preserved auditory brainstem response thresholds"],"prefix":"10.1002","volume":"15","author":[{"given":"Yunfeng","family":"Wang","sequence":"first","affiliation":[{"name":"Department of Otolaryngology, Eye &amp; ENT Hospital Fudan University  Shanghai PR China"},{"name":"Department of Otolaryngology Emory University School of Medicine  Atlanta GA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu","family":"Sun","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology, Xiehe Hospital, Tongji Medical College Huazhong University of Science and Technology  Wuhan PR China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qing","family":"Chang","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology Emory University School of Medicine  Atlanta GA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shoeb","family":"Ahmad","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology Emory University School of Medicine  Atlanta GA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Binfei","family":"Zhou","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology Emory University School of Medicine  Atlanta GA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yeunjung","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology Emory University School of Medicine  Atlanta GA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huawei","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology, Eye &amp; 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