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Expression of myelin basic protein in the human auditory nerve: an immunohistochemical and comparative study
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Otolaryngology and Head and Neck Surgery.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Plastic Surgery.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Otolaryngology and Head and Neck Surgery.
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2012 (English)In: Auris, nasus, larynx, ISSN 0385-8146, E-ISSN 1879-1476, Vol. 39, no 1, 18-24 p.Article in journal (Refereed) Published
Abstract [en]

OBJECTIVE: The aim of this study is to analyse the expression and distribution of myelin basic protein (MBP or Myelin A1 protein) in the human spiral ganglion and auditory nerve.

MATERIALS AND METHODS: Cryostat sections were made from freshly fixed human cochlear specimens removed at surgery in patients with life-threatening petro-clival meningiomas compressing the brain stem. The sections were subjected to immunohistochemistry using antibodies against MBP, S-100 and Tubulin. The immunoreaction was documented using laser confocal microscopy.

RESULTS: Type I spiral ganglion nerve somata (SGN) were surrounded by so-called "satellite glial cells" (SGCs) that lacked expression of MBP consistent with earlier light and electron microscopic findings indicating that these cells are non-myelinating. S-100 labeling showed that the SGCs form a continuous network in the apical region.

CONCLUSIONS: The pattern of myelination in human spiral ganglion is different from that in other species' spiral ganglion. The striking differences in myelin outline should be investigated further in combination with its influence on signal coding and preservation properties in man.

Place, publisher, year, edition, pages
2012. Vol. 39, no 1, 18-24 p.
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Medical and Health Sciences
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URN: urn:nbn:se:uu:diva-169462DOI: 10.1016/j.anl.2011.04.007ISI: 000300072200003PubMedID: 21601398OAI: oai:DiVA.org:uu-169462DiVA: diva2:506823
Available from: 2012-03-01 Created: 2012-03-01 Last updated: 2017-12-07Bibliographically approved

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Liu, WeiBoström, MarjaKinnefors, AndersRask-Andersen, Helge

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