XB-ART-56666
Dev Biol
2021 Jul 01;475:165-180. doi: 10.1016/j.ydbio.2020.01.012.
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The role of cell lineage in the development of neuronal circuitry and function.
Hartenstein V
,
Omoto JJ
,
Lovick JK
.
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Complex nervous systems have a modular architecture, whereby reiterative groups of neurons ("modules") that share certain structural and functional properties are integrated into large neural circuits. Neurons develop from proliferating progenitor cells that, based on their location and time of appearance, are defined by certain genetic programs. Given that genes expressed by a given progenitor play a fundamental role in determining the properties of its lineage (i.e., the neurons descended from that progenitor), one efficient developmental strategy would be to have lineages give rise to the structural modules of the mature nervous system. It is clear that this strategy plays an important role in neural development of many invertebrate animals, notably insects, where the availability of genetic techniques has made it possible to analyze the precise relationship between neuronal origin and differentiation since several decades. Similar techniques, developed more recently in the vertebrate field, reveal that functional modules of the mammalian cerebral cortex are also likely products of developmentally defined lineages. We will review studies that relate cell lineage to circuitry and function from a comparative developmental perspective, aiming at enhancing our understanding of neural progenitors and their lineages, and translating findings acquired in different model systems into a common conceptual framework.
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???displayArticle.pmcLink??? PMC7394725
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Species referenced: Xenopus laevis
GO keywords: cell fate specification [+]
cell fate determination
neuronal stem cell division
radial glial cell differentiation
neuronal stem cell population maintenance
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