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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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Graphene-based nanomaterials for peripheral nerve regeneration.

Domenica Convertino1, Maria Letizia Trincavelli2, Chiara Giacomelli2

  • 1Center for Nanotechnology Innovation @NEST, Istituto Italiano di Tecnologia, Pisa, Italy.

Frontiers in Bioengineering and Biotechnology
|January 2, 2024
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Graphene shows promise for peripheral nerve regeneration by enhancing nerve conduits. This review explores graphene

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CVD graphenegraphene-based materialsgraphene-based neural interfacesnerve conduitsperipheral nerve regeneration

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Area of Science:

  • Biomaterials Science
  • Regenerative Medicine
  • Neuroscience

Background:

  • Peripheral nerve injuries pose significant challenges in regenerative medicine.
  • Current nerve conduits offer limited guidance and stimulation for nerve regeneration.
  • Nanomaterials, particularly graphene, present novel opportunities for nerve tissue engineering.

Purpose of the Study:

  • To review the application of graphene in peripheral nerve regeneration.
  • To discuss graphene's properties and potential as a scaffold material.
  • To analyze graphene's interaction with neural and non-neural cells in nerve repair.

Main Methods:

  • Literature review of emerging nanotechnologies for nerve regeneration.
  • Focus on graphene's physicochemical and electrical properties.
  • Analysis of studies on graphene in peripheral nervous system applications.

Main Results:

  • Graphene possesses unique properties suitable for neural interfaces and scaffolds.
  • Graphene integration into nerve conduits can enhance regeneration.
  • Graphene interacts with both neurons and non-neural cells, influencing the regenerative microenvironment.

Conclusions:

  • Graphene is a promising material for peripheral nerve tissue engineering.
  • Further research is needed to optimize graphene-based nerve conduits and assess long-term effects.
  • Understanding graphene's cellular interactions is crucial for maximizing its therapeutic potential.