Generation of inner ear organoids with functional hair cells from human pluripotent stem cells
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Author
Koehler, Karl R.
Nie, Jing
Longworth-Mills, Emma
Liu, Xiao-Ping
Lee, Jiyoon
Hashino, Eri
Published Version
https://doi.org/10.1038/nbt.3840Metadata
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Koehler, Karl R., Jing Nie, Emma Longworth-Mills, Xiao-Ping Liu, Jiyoon Lee, Jeffrey R. Holt, and Eri Hashino. 2017. “Generation of inner ear organoids with functional hair cells from human pluripotent stem cells.” Nature biotechnology 35 (6): 583-589. doi:10.1038/nbt.3840. http://dx.doi.org/10.1038/nbt.3840.Abstract
Human inner ear tissue derived from pluripotent stem cells could provide a powerful platform for drug discovery or a source of sound- or motion-sensing cells for patients with hearing loss or balance dysfunction. Here we report a method for differentiating human pluripotent stem cells to inner ear organoids that harbor functional hair cells. Using a three-dimensional culture system, we modulate TGF, BMP, FGF, and Wnt signaling to generate multiple otic vesicle–like structures from a single stem-cell aggregate. Over two months, the vesicles develop into inner ear organoids with sensory epithelia that are innervated by sensory neurons. Additionally, using CRISPR/Cas9, we generate an ATOH1-2A-eGFP cell line to detect hair cell induction and demonstrate that derived hair cells exhibit electrophysiological properties similar to those of native sensory hair cells. Our culture system will be useful for elucidating mechanisms of human inner ear development and testing potential inner ear therapies.Other Sources
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5462862/pdf/Terms of Use
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