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Updated: Aug 12, 2026

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Ex Vivo Optogenetic Interrogation of Long-Range Synaptic Transmission and Plasticity from Medial Prefrontal Cortex to Lateral Entorhinal Cortex
Published on: February 25, 2022
Technological advances in axonal regeneration and structural plasticity: optogenetics, single-cell omics, and tissue
Xiaoqiu Shu1,2, Jiawen Zhang2, Zhenwei Qin3
1Deqing People's Hospital, Deqing Campus, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Huzhou, China.
Frontiers in Cellular Neuroscience
|August 11, 2026
Summary
Advanced techniques like optogenetics and single-cell RNA sequencing offer new insights into nerve regeneration after central nervous system (CNS) injury. These methods illuminate axonal repair mechanisms, paving the way for improved functional recovery.
Area of Science:
- Neuroscience
- Regenerative Medicine
- Molecular Biology
Background:
- Modern molecular and structural insights into central nervous system (CNS) cells are advancing rapidly.
- Recent technological breakthroughs are crucial for CNS repair research.
Purpose of the Study:
- To review how optogenetics, single-cell RNA sequencing, and tissue clearing advance understanding of axonal degeneration and regeneration.
- To highlight insights into axonal dynamics and CNS repair strategies.
Main Methods:
- Optogenetics for precise control of neuronal activity and study of axonal growth.
- Single-cell RNA sequencing to analyze neuronal subtypes and identify regeneration-associated genes (RAGs).
- Tissue clearing and 3D imaging for visualizing axonal structures in intact tissue.
Main Results:
- Optogenetics reveals how neuronal stimulation impacts axonal regeneration and circuit repair.
- Single-cell omics identifies diverse regenerative capacities and key RAGs.
- Advanced imaging visualizes axonal behavior and pathfinding during regeneration.
Conclusions:
- These technologies provide unprecedented insights into axonal dynamics after CNS injury.
- New avenues are opened for promoting functional recovery through enhanced axonal repair.

