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. 2018 Jun 1:(136):57527.
doi: 10.3791/57527.

Three-dimensional Organotypic Cultures of Vestibular and Auditory Sensory Organs

Ksenia Gnedeva  1 , A J Hudspeth  2 , Neil Segil  3
Affiliations

Three-dimensional Organotypic Cultures of Vestibular and Auditory Sensory Organs

Ksenia Gnedeva et al. J Vis Exp. .

Abstract

The sensory organs of the inner ear are challenging to study in mammals due to their inaccessibility to experimental manipulation and optical observation. Moreover, although existing culture techniques allow biochemical perturbations, these methods do not provide a means to study the effects of mechanical force and tissue stiffness during development of the inner ear sensory organs. Here we describe a method for three-dimensional organotypic culture of the intact murine utricle and cochlea that overcomes these limitations. The technique for adjustment of a three-dimensional matrix stiffness described here permits manipulation of the elastic force opposing tissue growth. This method can therefore be used to study the role of mechanical forces during inner ear development. Additionally, the cultures permit virus-mediated gene delivery, which can be used for gain- and loss-of-function experiments. This culture method preserves innate hair cells and supporting cells and serves as a potentially superior alternative to the traditional two-dimensional culture of vestibular and auditory sensory organs.

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