Mar 27, 2020

Quiescent Neural Stem Cells for Brain Repair and Regeneration: Lessons from Model Systems

Trends in Neurosciences
Leo Otsuki, Andrea H Brand

Abstract

Neural stem cells (NSCs) are multipotent progenitors that are responsible for producing all of the neurons and macroglia in the nervous system. In adult mammals, NSCs reside predominantly in a mitotically dormant, quiescent state, but they can proliferate in response to environmental inputs such as feeding or exercise. It is hoped that quiescent NSCs could be activated therapeutically to contribute towards repair in humans. This will require an understanding of quiescent NSC heterogeneities and regulation during normal physiology and following brain injury. Non-mammalian vertebrates (zebrafish and salamanders) and invertebrates (Drosophila) offer insights into brain repair and quiescence regulation that are difficult to obtain using rodent models alone. We review conceptual progress from these various models, a first step towards harnessing quiescent NSCs for therapeutic purposes.

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Mentioned in this Paper

Salamanders
Repair of Brain
Natural Regeneration
Drosophila
Brain
Regulation of Biological Process
Zebrafish
Nervous System Structure
Invertebrates
Neural Stem Cells

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