In mammals, the sense of hearing arises through a complex sequence of morphogenetic events that drive the sculpting of the auditory sensory epithelium into its terminally functional three-dimensional shape. While the majority of the underlying mechanisms remain unknown, it has become increasingly clear that Ca2+ signaling is at center stage and plays numerous fundamental roles both in the sensory hair cells and in the matrix of non-sensory, epithelial and supporting cells, which embed them and are tightly interconnected by a dense network of gap junctions formed by connexin 26 (Cx26) and connexin 30 (Cx30) protein subunits. In this review, we discuss the intricate interplay between Ca2+ signaling, connexin expression and function, apoptosis and autophagy in the crucial steps that lead to hearing acquisition.

Ca signaling, apoptosis and autophagy in the developing cochlea: Milestones to hearing acquisition.

Mammano Fabio;Bortolozzi Mario
2018

Abstract

In mammals, the sense of hearing arises through a complex sequence of morphogenetic events that drive the sculpting of the auditory sensory epithelium into its terminally functional three-dimensional shape. While the majority of the underlying mechanisms remain unknown, it has become increasingly clear that Ca2+ signaling is at center stage and plays numerous fundamental roles both in the sensory hair cells and in the matrix of non-sensory, epithelial and supporting cells, which embed them and are tightly interconnected by a dense network of gap junctions formed by connexin 26 (Cx26) and connexin 30 (Cx30) protein subunits. In this review, we discuss the intricate interplay between Ca2+ signaling, connexin expression and function, apoptosis and autophagy in the crucial steps that lead to hearing acquisition.
2018
Istituto di Biochimica delle Proteine - IBP - Sede Napoli
Istituto di Biologia Cellulare e Neurobiologia - IBCN - Sede Monterotondo Scalo
Istituto di Biochimica e Biologia Cellulare - IBBC
Peripheral auditory systemDevelopmentMorphogenesisCaspase-3MitochondriaGreater epithelial ridgeLesser epithelial ridgeCa2+ wavesATPIP3Spiral ganglion neuronsInner hair cellsOuter hair cellsConnexinsDeafnessMouse models
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.14243/336318
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