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Neurogenesis and Regeneration of Nervous Tissue

Neurogenesis and Regeneration of Nervous Tissue

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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Updated: Apr 3, 2026

Anatomically Inspired Three-dimensional Micro-tissue Engineered Neural Networks for Nervous System Reconstruction, Modulation, and Modeling

Anatomically Inspired Three-dimensional Micro-tissue Engineered Neural Networks for Nervous System Reconstruction, Modulation, and Modeling

Published on: May 31, 2017

Rethinking Neuroregenerative Microenvironments: Synergy Between Bioengineering and Organoids.

He Zhu¹, Kai Guo^2,3, Juan Feng¹

¹Department of Neurology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China.

Advanced Healthcare Materials

|April 2, 2026

Summary

This summary is machine-generated.

Engineered biomaterials and organoid strategies offer new hope for treating incurable neurological disorders by reconstructing damaged neural circuits. These advanced approaches aim to overcome central nervous system regeneration barriers.

Keywords:

3D bioprinting neural organoids neuroregenerative microenvironment neurovascular unit vascularized constructs

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Last Updated: Apr 3, 2026

Anatomically Inspired Three-dimensional Micro-tissue Engineered Neural Networks for Nervous System Reconstruction, Modulation, and Modeling

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Published on: May 31, 2017

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Human Neural Organoids for Studying Brain Cancer and Neurodegenerative Diseases

Human Neural Organoids for Studying Brain Cancer and Neurodegenerative Diseases

Published on: June 28, 2019

Area of Science:

Regenerative Medicine
Neuroscience
Biomaterials Science

Background:

Central nervous system (CNS) injuries and neurodegenerative diseases lack effective cures due to detrimental microenvironments.
The peripheral nervous system (PNS) shows greater regeneration, offering insights for CNS repair strategies.
Existing challenges include neuroinflammation, oxidative stress, and glial scarring that inhibit axonal regrowth.

Purpose of the Study:

To review the CNS injury microenvironment and key design principles for engineered repair matrices.
To highlight lessons learned from advanced peripheral nerve guidance conduits for CNS applications.
To explore novel strategies for neural circuit reconstruction.

Main Methods:

Overview of CNS injury microenvironment and regenerative barriers.
Summary of design requirements for engineered repair matrices.
Highlighting advances in hydrogels, bioinks, 3D bioprinting, and organoid engineering.

Main Results:

Injectable hydrogels can modulate CNS microenvironments, support cell growth, and restore vascular function.
3D bioprinting enables fabrication of complex neurovascular architectures.
Organoid-based strategies offer modular biohybrid constructs for neural repair.

Conclusions:

Integrating biomaterials, biofabrication, and organoid engineering provides a roadmap for neural circuit reconstruction.
Advances in PNS repair inform translation to CNS applications.
These strategies hold promise for treating currently incurable neurological conditions.