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Related Experiment Video

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Cerebral cortex assembly: generating and reprogramming projection neuron diversity.

Simona Lodato1, Ashwin S Shetty1, Paola Arlotta1

  • 1Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA, USA.

Trends in Neurosciences
|December 23, 2014
PubMed
Summary
This summary is machine-generated.

This review explores how excitatory projection neurons (PNs) in the mammalian cerebral cortex develop and are maintained. It also discusses reprogramming PNs for enhanced adult brain plasticity.

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Area of Science:

  • Neuroscience
  • Developmental Biology
  • Cellular Biology

Background:

  • The mammalian cerebral cortex exhibits remarkable neuronal diversity, crucial for complex functions.
  • Excitatory projection neurons (PNs) and inhibitory interneurons (INs) are the primary neuronal classes within the cortex.

Purpose of the Study:

  • To review recent advancements in understanding the developmental mechanisms shaping PN diversity.
  • To discuss the maintenance of PN classes postnatally and their potential for reprogramming in adults.

Main Methods:

  • Literature review of developmental neurobiology studies.
  • Analysis of mechanisms governing neuronal differentiation and maintenance.
  • Exploration of potential therapeutic strategies for cortical plasticity.

Main Results:

  • PN diversity is established during embryogenesis through specific strategies and mechanisms.
  • Mechanisms for maintaining PN identity throughout life are discussed.
  • The potential for directed reprogramming of PNs to enhance adult cortical plasticity is considered.

Conclusions:

  • Understanding PN development and maintenance is key to comprehending cortical function.
  • Directed reprogramming of PNs offers a novel avenue for promoting brain plasticity and recovery in adults.