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Generation of inner ear sensory cells from bone marrow-derived human mesenchymal stem cells

AuthorsDurán Alonso, Beatriz ; Feijoo-Redondo, Ana; Conde de Felipe, Magnolia; Carnicero, Estela; Sánchez, Ana; García-Sancho, Javier ; Rivolta, Marcelo N.; Giráldez, Fernando; Schimmang, Thomas
Issue Date2012
PublisherFuture Medicine
CitationRegenerative Medicine 7(6): 769-783 (2012)
Abstract[Aim]: Hearing loss is the most common sensory disorder in humans, its main cause being the loss of cochlear hair cells. We studied the potential of human mesenchymal stem cells (hMSCs) to differentiate towards hair cells and auditory neurons. [Materials & methods]: hMSCs were first differentiated to neural progenitors and subsequently to hair cell- or auditory neuron-like cells using in vitro culture methods. [Results]: Differentiation of hMSCs to an intermediate neural progenitor stage was critical for obtaining inner ear sensory lineages. hMSCs generated hair cell-like cells only when neural progenitors derived from nonadherent hMSC cultures grown in serum-free medium were exposed to EGF and retinoic acid. Auditory neuron-like cells were obtained when treated with retinoic acid, and in the presence of defined growth factor combinations containing Sonic Hedgehog. [Conclusion]: The results show the potential of hMSCs to give rise to inner ear sensory cells. © 2012 Future Medicine Ltd.
Identifiersdoi: 10.2217/rme.12.65
issn: 1746-0751
e-issn: 1746-076X
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