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Survival and stimulation of neurite outgrowth in a serum-free culture of spiral ganglion neurons from adult mice

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Title: Survival and stimulation of neurite outgrowth in a serum-free culture of spiral ganglion neurons from adult mice
Author(s): Vieira, Mauricio; Christensen, Barbara L.; Wheeler, Bruce C.; Feng, Albert S.; Kollmar, Richard
Subject(s): Adult Cell culture techniques Mice Neurites Neuron Spiral ganglion
Abstract: We have developed a reliable protocol for the serum-free dissociation and culture of spiral ganglion neurons from adult mice, an important animal model for patients with post-lingual hearing loss. Pilot experiments indicated that the viability of spiral ganglion cells in vitro depended critically on the use of Hibernate medium with B27 supplement. With an optimized protocol, we obtained 2 · 10^3 neurons immediately after dissociation, or about one-fifth of those present in the intact spiral ganglion. After four days in culture, 4% of the seeded neurons survived without any exogenous growth factors other than insulin. This yield was highly reproducible in five independent experiments and enabled us to measure systematically the numbers and lengths of the regenerating neurites. Furthermore, the survival rate compared well to the few published protocols for culturing adult spiral ganglion neurons from other species. Enhanced survival and neurite outgrowth upon the addition of brain-derived neurotrophic factor and leukemia inhibitory factor demonstrated that both are potent stimulants for damaged spiral ganglion neurons in adults. This responsiveness to exogenous growth factors suggested that our culture protocol will facilitate the screening of molecular compounds as potential treatments for sensorineural hearing loss.
Issue Date: 2007-04-20
Publisher: Elsevier
Citation Info: Vieira, M. et al., Survival and stimulation of neurite outgrowth in a serum-free culture ..., Hearing Res. (2007), doi:10.1016/j.heares.2007.03.005
Genre: Article
Type: ImageText
Language: English
URI: http://hdl.handle.net/2142/1353
DOI: 10.1016/j.heares.2007.03.005
Publication Status: published or submitted for publication
Peer Reviewed: is peer reviewed
Sponsor: Beckman Institute for Advanced Science and Technology, the Campus Research Board, and the Mary Jane Neer Fund at the University of Illinois at Urbana-Champaign
Rights Information: Copyright owned by Elsevier
Date Available in IDEALS: 2007-07-12
 

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