Inflammatory signals increase Fas ligand expression by inner ear cells

Bodmer, Daniel and Brors, Dominik and Pak, Kwang and Keithley, Elizabeth M. and Mullen, Lina and Ryan, Allen F. and Gloddek, Bertrand. (2002) Inflammatory signals increase Fas ligand expression by inner ear cells. Journal of neuroimmunology, Vol. 129, H. 1-2. pp. 10-17.

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Official URL: http://edoc.unibas.ch/dok/A5252079

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There is considerable evidence that hearing and vestibular function can be influenced by immune processes. The inner ear has evolved mechanisms, such as the blood-labyrinthine barrier that limit immune responses and autoimmune processes to reduce the potential for damage to cochlear cells. Recently, expression of Fas ligand (FasL) in some non-lymphoid tissue, as in the anterior chamber of the eye, has been hypothesized to play a role in protection of sensitive organs from activated T-cells. We show that under resting conditions, cochlear cells express little or no FasL. However, after exposure to interferon-gamma in vitro, FasL is induced in many neonatal cochlear cells. In addition, we show that FasL is upregulated in adult cochlear cells after induction of a sterile labyrinthitis in vivo. The induction of FasL by inflammation may serve to limit cochlear immune responses, and to protect sensorineural tissue from immune and autoimmune damage.
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
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:23
Deposited On:22 Mar 2012 13:36

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