周围神经切割主要驱动同情神经在小鼠背部根腺中生长
Sang Wook Shim1, Hyoung Woo Kim2,3,4, Yoon Kyung Lee5
1Department of Brain and Cognitive Sciences, Seoul National University, Seoul, Republic of Korea.
神经损伤类型显著影响疼痛机制. 交叉伤害促进了交感发芽和交感维持疼痛 (SMP),而压伤伤害则通过不同的途径引起疼痛.
科学领域:
- 神经科学是一个神经科学.
- 疼痛研究 疼痛研究
- 周围神经受伤的情况
背景情况:
- 背部根 (DRG) 中的交感发芽与周围神经损伤后的交感维持疼痛 (SMP) 有关.
- 影响交感发芽发生的具体因素仍然不完全理解.
研究的目的:
- 为了调查损伤类型 (切口与压碎) 或损伤部位是否会影响同情性重塑和疼痛.
- 为了区分由不同神经损伤模型引起的疼痛背后的机制.
主要方法:
- 在小鼠中对L5脊髓神经切割和部分坐骨神经压伤模型进行比较.
- 使用氨酸氧酶-免疫活性染色和Phox2b记者小鼠可视化交感纤维.
- 评估了机械过敏和化学同情切除术的影响.
主要成果:
- L5脊髓神经切割导致了显著的交感发芽,DRG中增加的北上腺素 (NE),以及通过交感切除术逆转的机械过敏症.
- 部分坐骨神经压伤导致机械过敏,没有交感发芽或NE升高,并不受交感切除的影响.
- 与压伤相比,交感发芽在切割损伤中始终更明显,无论神经部位如何.
结论:
- 神经损伤类型,特别是切割,是交感发芽和交感维持疼痛 (SMP) 的主要驱动因素.
- 压伤造成的疼痛可能涉及不同的非同情机制.
- 区分这些疼痛亚型对于有针对性的治疗策略至关重要.
更多相关视频
09:17Dorsal Root Ganglia Neurons and Differentiated Adipose-derived Stem Cells: An In Vitro Co-culture Model to Study Peripheral Nerve Regeneration
Published on: February 26, 2015
06:34In Vivo Thoracic Dorsal Root Ganglia (DRG) Calcium Imaging and ECG Recording for Studying Peripheral Nerve Stimulation
Published on: August 16, 2024
相关概念视频
11:26Establishing In Vitro Models of Dorsal Root Ganglia Culture: Complementary Approaches for Investigating Cancer-Nerve Crosstalk
09:17Dorsal Root Ganglia Neurons and Differentiated Adipose-derived Stem Cells: An In Vitro Co-culture Model to Study Peripheral Nerve Regeneration
06:34In Vivo Thoracic Dorsal Root Ganglia (DRG) Calcium Imaging and ECG Recording for Studying Peripheral Nerve Stimulation
06:56Harvesting, Embedding, and Culturing Dorsal Root Ganglia in Multi-compartment Devices to Study Peripheral Neuronal Features
08:57Enrichment of Adult Mouse Dorsal Root Ganglia Neuron Cultures by Immunopanning
12:34Analysis of Immune Cells in Single Sciatic Nerves and Dorsal Root Ganglion from a Single Mouse Using Flow Cytometry
