在神经病痛中氧化应激,炎症和细胞衰老:机械交叉声
Bojan Stojanovic1,2, Ivana Milivojcevic Bevc3, Milica Dimitrijevic Stojanovic2,4
1Department of Surgery, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia.
Antioxidants (Basel, Switzerland)
|October 29, 2025
概括
神经病痛是氧化应激,炎症和细胞衰老造成的. 这些因素创造了一个自我维持的循环,通过神经免疫信号和中央敏感化来延续慢性疼痛.
科学领域:
- 神经科学是一个神经科学.
- 疼痛研究 疼痛研究
- 细胞生物学 细胞生物学
背景情况:
- 神经病痛是一种慢性疾病,与氧化应激,炎症和细胞衰老有关.
- 神经损伤和代谢压力引发细胞损伤,线粒体功能障碍和DNA损伤反应.
- 这些事件导致与衰老相关的分泌表型 (SASP),增强神经炎症.
研究的目的:
- 阐明驱动神经病痛慢性化的相互连接机制.
- 探索氧化还原失衡,细胞衰老和神经炎症在疼痛持久性中的作用.
- 了解参与自我维持的疼痛回路的分子通路.
主要方法:
- 审查关于神经病痛疼痛机制的现有文献.
- 分子路径的分析,包括氧化应激标志物,衰老标志物 (p53,p16/p21),SASP因子和神经炎症介质 (NF-κB,MAPK,COX-2,IL-1β,BDNF).
- 检查细胞过程,如线粒体功能,自,线粒体,以及脊髓和背部根腺中的质激活.
主要成果:
- 反氧失衡和细胞压力启动衰老程序和SASP.
- SASP通过释放促炎媒介来延续神经炎症.
- 神经炎症,包括质激活和改变的突触传输,保持中央敏感性.
- 损伤的自/髓会加剧线粒体功能障碍和反应性氧物种 (ROS) 生产.
结论:
- 神经病变性疼痛的慢性是由一个自我维持的电路驱动的,涉及氧化还原失衡,细胞衰老和神经炎症.
- 这种减氧衰老-炎症电路巩固了慢性疼痛状态.
- 针对这些相互关联的机制可能为神经病痛提供新的治疗策略.
更多相关视频
13:59A Quantitative Measurement of Reactive Oxygen Species and Senescence-associated Secretory Phenotype in Normal Human Fibroblasts During Oncogene-induced Senescence
Published on: August 12, 2018
8.5K
07:33Visualization of Vascular Ca2+ Signaling Triggered by Paracrine Derived ROS
Published on: December 21, 2011
16.0K
相关概念视频
01:26Aging
580
Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
580
01:44Nociception
33.0K
Nociception—the ability to feel pain—is essential for an organism’s survival and overall well-being. Noxious stimuli such as piercing pain from a sharp object, heat from an open flame, or contact with corrosive chemicals are first detected by sensory receptors, called nociceptors, located on nerve endings. Nociceptors express ion channels that convert noxious stimuli into electrical signals. When these signals reach the brain via sensory neurons, they are perceived as pain.
33.0K