Sensational placodes: neurogenesis in the otic and olfactory systems.

Abstract:

:For both the intricate morphogenetic layout of the sensory cells in the ear and the elegantly radial arrangement of the sensory neurons in the nose, numerous signaling molecules and genetic determinants are required in concert to generate these specialized neuronal populations that help connect us to our environment. In this review, we outline many of the proteins and pathways that play essential roles in the differentiation of otic and olfactory neurons and their integration into their non-neuronal support structures. In both cases, well-known signaling pathways together with region-specific factors transform thickened ectodermal placodes into complex sense organs containing numerous, diverse neuronal subtypes. Olfactory and otic placodes, in combination with migratory neural crest stem cells, generate highly specialized subtypes of neuronal cells that sense sound, position and movement in space, odors and pheromones throughout our lives.

journal_name

Dev Biol

journal_title

Developmental biology

authors

Maier EC,Saxena A,Alsina B,Bronner ME,Whitfield TT

doi

10.1016/j.ydbio.2014.01.023

subject

Has Abstract

pub_date

2014-05-01 00:00:00

pages

50-67

issue

1

eissn

0012-1606

issn

1095-564X

pii

S0012-1606(14)00051-7

journal_volume

389

pub_type

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