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Gentamicin-induced hair cell death is not dependent on the apoptosis receptor Fas

Bodmer, Daniel and Brors, Dominik and Pak, Kwang and Bodmer, Morana and Ryan, Allen F.. (2003) Gentamicin-induced hair cell death is not dependent on the apoptosis receptor Fas. The Laryngoscope, Vol. 113, no. 3. pp. 452-455.

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Official URL: http://edoc.unibas.ch/dok/A5252073

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Abstract

OBJECTIVES/HYPOTHESIS: The hair cells are the most vulnerable elements in the cochlea, and damage to them is the most common cause of sensorineural hearing loss. Understanding the intracellular events that lead to the death of hair cells is a key to developing protective strategies. The Fas death receptor-mediated apoptotic pathway is well studied and plays an important role in the elimination of damaged cells in a number of different cellular systems. We have studied the role of the Fas receptor in aminoglycoside-mediated toxicity in vitro. We employed the MRL/MpJ-Fas mouse, which does not express a functional Fas receptor. STUDY DESIGN: Response of Fas-deficient hair cells to gentamicin was compared with the response of normal hair cells in vitro. METHODS: Basal turn organ of Corti explants from p3-5 mice were maintained in tissue culture and treated with gentamicin for 72 hours. The explants were fixed and were stained with phalloidin, and counting was performed. RESULTS: There was no difference in hair cell loss between Fas mutant mice and control MRL/MpJ mice with a functional Fas receptor. CONCLUSION: The gentamicin-mediated hair cell death is not dependent on a functional Fas receptor.
Faculties and Departments:03 Faculty of Medicine > Bereich Spezialf├Ącher (Klinik) > Otorhinolaryngologie > Oto-Rhino-Laryngologie (Bodmer)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Spezialf├Ącher (Klinik) > Otorhinolaryngologie > Oto-Rhino-Laryngologie (Bodmer)
UniBasel Contributors:Bodmer, Daniel K
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Lippincott Williams & Wilkins
ISSN:0023-852X
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:24
Deposited On:22 Mar 2012 13:37

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