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Cell types to order: temporal specification of CNS stem cells

Authors
Journal
Current Opinion in Neurobiology
0959-4388
Publisher
Elsevier
Publication Date
Volume
19
Issue
2
Identifiers
DOI: 10.1016/j.conb.2009.04.003
Disciplines
  • Biology

Abstract

Spatial and temporal specification of neural progenitor cells is integral to their production of a wide variety of central nervous system (CNS) cells. For a given region, cells arise on a precise and predictable temporal schedule, with sub-types of neurons appearing in a defined order, followed by glial cell generation. Single cell studies have shown that the timing of cell generation can be encoded within individual early progenitor cells as a cell-intrinsic program. Environmental cues are important modulators of this program, allowing it to unfold and coordinating the process within the embryo. Here we review recent findings on the molecular mechanisms of epigenetic and transcription factor regulation, which are involved in temporal specification of CNS stem cells.

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