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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-8448

Bodmer, D; Brors, D; Pak, K; Keithley, E M; Mullen, L; Ryan, A F; Gloddek, B (2002). Inflammatory signals increase Fas ligand expression by inner ear cells. Journal of Neuroimmunology, 129(1-2):10-17.

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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.


13 citations in Web of Science®
13 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Otorhinolaryngology
Dewey Decimal Classification:610 Medicine & health
Deposited On:26 Mar 2009 13:07
Last Modified:13 Dec 2013 13:23
Publisher DOI:10.1016/S0165-5728(02)00143-1
PubMed ID:12161015

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