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In the CNS, neurogenesis, the birth of new neurons from stem cells, is limited to the hippocampus in adults. In other regions of the brain and spinal cord, neurogenesis is almost non-existent due to inhibitory influences from neuroglia, especially oligodendrocytes, and the absence of growth-stimulating cues. The myelin produced by oligodendrocytes in the CNS inhibits neuronal regeneration. Furthermore, astrocytes proliferate rapidly after neuronal damage, forming scar tissue that physically...
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Related Experiment Video

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Neurotransmitters as Modulators of Neural Progenitor Cell Proliferation During Mammalian Neocortex Development.

Lei Xing1, Wieland B Huttner1

  • 1Max Planck Institute of Molecular Cell Biology and Genetics, Dresden, Germany.

Frontiers in Cell and Developmental Biology
|June 13, 2020
PubMed
Summary
This summary is machine-generated.

Neurotransmitters like GABA and glutamate regulate neural progenitor cell proliferation during neocortex development. Understanding these signals is crucial for normal brain formation and preventing disorders.

Keywords:
cell proliferationdevelopmentneocortexneural progenitor cellneurotransmitter

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Area of Science:

  • Neuroscience
  • Developmental Biology

Background:

  • Neural progenitor cells (NPCs) are vital for mammalian neocortex formation.
  • Proper control of NPC proliferation is essential for neocortical structure and function.

Purpose of the Study:

  • To review the role of neurotransmitters in regulating NPC proliferation during neocortex development.
  • To explore the involvement of specific receptors and future research models.

Main Methods:

  • Review of in vivo and in vitro studies on neurotransmitter effects on NPCs.
  • Discussion of findings related to GABA, glutamate, and serotonin signaling.
  • Exploration of future research using gene-modified mice and organoids.

Main Results:

  • Neurotransmitters, including GABA and glutamate, modulate NPC proliferation in the developing neocortex.
  • Specific receptors are implicated in mediating these neurotransmitter effects.
  • Dysregulated signaling may contribute to developmental and psychiatric disorders.

Conclusions:

  • Neurotransmitter signaling is a key extrinsic factor controlling NPC proliferation.
  • Future research with advanced models will elucidate mechanisms and disease links.
  • This knowledge is critical for understanding normal neocortex development and associated disorders.