PUBLICATION

Regeneration of the central nervous system-principles from brain regeneration in adult zebrafish

Authors
Zambusi, A., Ninkovic, J.
ID
ZDB-PUB-200229-19
Date
2020
Source
World journal of stem cells   12: 8-24 (Review)
Registered Authors
Ninkovic, Jovica
Keywords
Brain injury, Central nervous system, Glial scar, Inflammation, Neural stem cells, Regeneration, Restorative neurogenesis, Zebrafish
MeSH Terms
none
PubMed
32110272 Full text @ World J Stem Cells
Abstract
Poor recovery of neuronal functions is one of the most common healthcare challenges for patients with different types of brain injuries and/or neurodegenerative diseases. Therapeutic interventions face two major challenges: (1) How to generate neurons de novo to replenish the neuronal loss caused by injuries or neurodegeneration (restorative neurogenesis) and (2) How to prevent or limit the secondary tissue damage caused by long-term accumulation of glial cells, including microglia, at injury site (glial scar). In contrast to mammals, zebrafish have extensive regenerative capacity in numerous vital organs, including the brain, thus making them a valuable model to improve the existing therapeutic approaches for human brain repair. In response to injuries to the central nervous system (CNS), zebrafish have developed specific mechanisms to promote the recovery of the lost tissue architecture and functionality of the damaged CNS. These mechanisms include the activation of a restorative neurogenic program in a specific set of glial cells (ependymoglia) and the resolution of both the glial scar and inflammation, thus enabling proper neuronal specification and survival. In this review, we discuss the cellular and molecular mechanisms underlying the regenerative ability in the adult zebrafish brain and conclude with the potential applicability of these mechanisms in repair of the mammalian CNS.
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Human Disease / Model
Sequence Targeting Reagents
Fish
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Orthology
Engineered Foreign Genes
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