Assembly of hair bundles, an amazing problem for cell biology

PG Barr-Gillespie - Molecular biology of the cell, 2015 - Am Soc Cell Biol
The hair bundle—the sensory organelle of inner-ear hair cells of vertebrates—exemplifies
the ability of a cell to assemble complex, elegant structures. Proper construction of the …

New insights into regulation and function of planar polarity in the inner ear

B Tarchini, X Lu - Neuroscience letters, 2019 - Elsevier
Acquisition of cell polarity generates signaling and cytoskeletal asymmetry and thus
underpins polarized cell behaviors during tissue morphogenesis. In epithelial tissues, both …

Single-cell transcriptomic landscapes of the otic neuronal lineage at multiple early embryonic ages

Y Sun, L Wang, T Zhu, B Wu, G Wang, Z Luo, C Li… - Cell Reports, 2022 - cell.com
Inner ear vestibular and spiral ganglion neurons (VGNs and SGNs) are known to play
pivotal roles in balance control and sound detection. However, the molecular mechanisms …

EMX2-GPR156-Gαi reverses hair cell orientation in mechanosensory epithelia

KS Kindt, A Akturk, A Jarysta, M Day, A Beirl… - Nature …, 2021 - nature.com
Hair cells detect sound, head position or water movements when their mechanosensory hair
bundle is deflected. Each hair bundle has an asymmetric architecture that restricts stimulus …

Characterization of spatial and temporal development of Type I and Type II hair cells in the mouse utricle using new cell-type-specific markers

S McInturff, JC Burns, MW Kelley - Biology open, 2018 - journals.biologists.com
The utricle of the inner ear, a vestibular sensory structure that mediates perception of linear
acceleration, is comprised of two morphologically and physiologically distinct types of …

GPSM2-GNAI specifies the tallest stereocilia and defines hair bundle row identity

ALD Tadenev, A Akturk, N Devanney, PD Mathur… - Current Biology, 2019 - cell.com
The transduction compartment of inner ear hair cells, the hair bundle, is composed of
stereocilia rows of graded height, a property essential for sensory function that remains …

PCP and Wnt pathway components act in parallel during zebrafish mechanosensory hair cell orientation

J Navajas Acedo, MG Voas, R Alexander… - Nature …, 2019 - nature.com
Planar cell polarity (PCP) plays crucial roles in developmental processes such as
gastrulation, neural tube closure and hearing. Wnt pathway mutants are often classified as …

Postnatal refinement of auditory hair cell planar polarity deficits occurs in the absence of Vangl2

CO Copley, JS Duncan, C Liu, H Cheng… - Journal of …, 2013 - Soc Neuroscience
The distinctive planar polarity of auditory hair cells is evident in the polarized organization of
the stereociliary bundle. Mutations in the core planar cell polarity gene Van Gogh-like 2 …

Conserved and divergent principles of planar polarity revealed by hair cell development and function

MR Deans - Frontiers in Neuroscience, 2021 - frontiersin.org
Planar polarity describes the organization and orientation of polarized cells or cellular
structures within the plane of an epithelium. The sensory receptor hair cells of the vertebrate …

Par3 is essential for the establishment of planar cell polarity of inner ear hair cells

A Landin Malt, Z Dailey… - Proceedings of the …, 2019 - National Acad Sciences
In the inner ear sensory epithelia, stereociliary hair bundles atop sensory hair cells are
mechanosensory apparatus with planar polarized structure and orientation. This is …