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Updated: Jun 23, 2026

3D Modeling of Dendritic Spines with Synaptic Plasticity
Published on: May 18, 2020
Synaptic plasticity in the spinal dorsal horn
Hiroshi Ikeda1, Takaki Kiritoshi, Kazuyuki Murase
1Department of Human and Artificial Intelligence Systems, Graduate School of Engineering, University of Fukui, 3-9-1 Bunkyo, Fukui 910-8507, Japan. ikeda@synapse.his.fukui-u.ac.jp
Long-term potentiation (LTP) in the spinal dorsal horn may cause abnormal pain sensitivity. This review covers LTP in spinal neurons and presynaptic mechanisms using patch-clamp and optical imaging.
Area of Science:
- Neuroscience
- Pain Research
- Cellular Mechanisms
Background:
- Abnormal pain sensitivity is linked to synaptic plasticity.
- Long-term potentiation (LTP) in the spinal dorsal horn is a key cellular mechanism.
Purpose of the Study:
- To review LTP in spinal projection neurons.
- To examine presynaptic mechanisms of LTP in the spinal dorsal horn.
Main Methods:
- Patch-clamp recording
- Optical imaging with voltage-sensitive dye
Main Results:
- LTP in spinal dorsal horn neurons contributes to pain hypersensitivity.
- Presynaptic mechanisms underlying LTP were elucidated.
Conclusions:
- Understanding spinal LTP is crucial for developing novel pain therapies.
- Further research into presynaptic plasticity may reveal new therapeutic targets for chronic pain.
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