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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Mitochondrial 12S rRNA susceptibility mutations in aminoglycoside-associated and idiopathic bilateral vestibulopathy
Biochemical and Biophysical Research Communications, Volume 377, No. 2, Year 2008
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Description
The mitochondrial 12S rRNA is considered a hotspot for mutations associated with nonsyndromic (NSHL) and aminoglycoside-induced hearing loss (AIHL). Although aminoglycoside ototoxicity is the most common cause of bilateral vestibular dysfunction, the conceivable role of 12S rRNA mutations has never been systematically investigated. We sequenced the 12S rRNA of 66 patients with bilateral vestibulopathy (BV) with (n = 15) or without (n = 51) prior exposure to aminoglycosides, as well as 155 healthy controls with intact vestibular function (sport pilots), and compared these to 2704 published sequences (Human Mitochondrial Genome Database). No mutations with a confirmed pathogenicity were found (A1555G, C1494T), but four mutations with a hitherto tentative status were detected (T669C, C960del, C960ins, T961G). Due to their predominant occurrence in patients without aminoglycoside exposure, their detection in controls and a weak evolutionary conservation, their pathogenic role in vestibulocochlear dysfunction remains provisional. © 2008 Elsevier Inc. All rights reserved.
Authors & Co-Authors
Prokisch, Holger
Germany, Oberschleissheim
Helmholtz Center Munich German Research Center for Environmental Health
Germany, Munich
Technische Universität München
Bettecken, Thomas
Germany, Oberschleissheim
Helmholtz Center Munich German Research Center for Environmental Health
Elson, Joanna L.
United Kingdom, Newcastle
Newcastle University
Bender, Andreas L.
Germany, Munich
Ludwig-maximilians-universität München
Klopstock, Thomas
Germany, Munich
Ludwig-maximilians-universität München
Statistics
Citations: 26
Authors: 5
Affiliations: 5
Identifiers
Doi:
10.1016/j.bbrc.2008.09.134
ISSN:
10902104
Research Areas
Disability