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To fabricate artificial nerves with tissue engineering methods.

Biao Cheng1, Zhengrong Chen

  • 1Department of Orthopaedics, Zhongshan Hospital, Medical Center of Fudan University, Shanghai 200032, China. cbiaob@sohu.com

Chinese Journal of Traumatology = Zhonghua Chuang Shang Za Zhi
|August 7, 2002
PubMed
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Researchers fabricated artificial nerves using tissue engineering. Schwann cells (SCs) cultured on scaffolds showed promising results for repairing long nerve defects.

Area of Science:

  • Biomedical Engineering
  • Regenerative Medicine
  • Tissue Engineering

Background:

  • Peripheral nerve injuries often result in long nerve defects.
  • Current treatments have limitations in fully restoring nerve function.
  • Tissue engineering offers a promising approach for nerve regeneration.

Purpose of the Study:

  • To fabricate functional artificial nerves in vitro using tissue engineering.
  • To evaluate the potential of Schwann cells (SCs) on novel scaffolds for nerve repair.

Main Methods:

  • Cultured Schwann cells (SCs) on polyglactin 910 fibers coated with biomembrane, rat tail glue, and laminin.
  • Assessed SCs' absorbability, growth, and migration using microscopy.
  • Observed axon regeneration in a nerve defect model.

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Main Results:

  • SCs successfully migrated and proliferated on the scaffolds, forming a Büngner band.
  • SCs exhibited good growth on the biomembrane-coated fibers.
  • Axon regeneration was observed in the distal nerve stump after 8 weeks.

Conclusions:

  • Adult SCs can be expanded on coated fibers and biomembranes.
  • The developed 3D scaffold possesses characteristics of artificial nerves.
  • This study presents a novel method for fabricating artificial nerves for long nerve defect repair.