相关实验视频
Updated: Jun 13, 2025

07:09
The Sciatic Nerve Cuffing Model of Neuropathic Pain in Mice
Published on: July 16, 2014
48.1K
甲素B在神经病痛中的保护作用通过抑制炎症反应来抑制神经病痛
Zuqing Zhu1, Gang Chen2, Jiangtao He1
1Department of Anesthesiology, the First People's Hospital of Linping District, Hangzhou, Zhejiang 311100, China.
Neuropeptides
|September 10, 2024
概括
奥雷辛B通过减少脊髓炎症和微质激活,有效地减少神经病痛. 这种神经对治疗慢性疼痛症状有前途.
科学领域:
- 神经科学是一个神经科学.
- 药理学 药理学是指药理学的学科.
- 疼痛研究 疼痛研究
背景情况:
- 神经病痛 (NP) 是一种复杂的疾病,治疗选择有限.
- 一种神经的Orexin B具有多种生物学作用,但其在NP中的功能尚未得到充分研究.
研究的目的:
- 在慢性收缩损伤 (CCI) 诱导的神经病痛的小鼠模型中研究Orexin B的神经保护作用.
主要方法:
- 鼠经历了慢性收缩损伤 (CCI) 诱导神经病痛.
- 评估了素B对疼痛行为,微质激活 (IBA1),炎症标志物 (IL-6,TNF-α,iNOS,COX-2,NO,PGE2),氧化应激 (SOD,GSH) 和信号通路 (JNK/NF-κB) 的影响.
- 在脊髓中分析了1型 (OX1R) 和2型 (OX2R) 甲素受体表达.
主要成果:
- 在剂量依赖的情况下,Orexin B的使用改善了CCI诱导的神经病痛.
- 奥雷辛B降低了微质激活,抑制了炎症反应,减轻了脊髓中的氧化应激.
- 奥雷辛B抑制了JNK/NF-κB信号通路的激活.
- 在CCI治疗的老鼠的脊髓中观察到OX2R表达的减少.
结论:
- 奥雷辛B在缓解神经病痛方面表现出显著的潜力.
- 该机制涉及抑制微质激活,炎症反应和氧化应激.
- 奥雷辛B可以作为一种用于神经病痛治疗的新疗法.
相关概念视频
Analgesia and Pain Management
552
Pain is critical to various clinical pathologies, provoking an urgent need for effective management. Pain, whether acute or chronic, is a complex neurochemical process. Its alleviation depends on the type, with nonopioid analgesics effective for mild to moderate pain, such as musculoskeletal or inflammatory pain, while neuropathic pain responds best to anticonvulsants, tricyclic antidepressants, or serotonin/norepinephrine reuptake inhibitors. For severe acute or chronic pain, opioids may be...
552
Nociception
27.8K
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.
27.8K
Opioid Receptors: Overview
588
Opioid receptors, including the mu (μ, MOR), delta (δ, DOR), and kappa (κ, KOR) types, belong to the rhodopsin family of G protein-coupled receptors. These receptors are located throughout the central and peripheral nervous systems and in non-neuronal tissues such as macrophages and astrocytes. Opioid receptor ligands can be categorized into agonists or antagonists. Highly selective agonists include [d-Ala2, MePhe4, Gly(ol)5]-enkephalin or DAMGO for MOR, [D-Pen2,...
588
Opioid Analgesics: Morphine and Other Natural Cogeners
192
Opioids are a class of drugs that mimic endogenous opioid peptides and act on opioid receptors, and help in pain relief. These compounds are classified as natural, synthetic, or semi-synthetic. Natural opioids, like morphine, codeine, and thebaine, are derived from the opium poppy plant (Papaver somniferum or Papaver album) and are termed opiates. Synthetic opioids are artificial, while semi-synthetic opioids combine natural and synthetic compounds. Morphine, a prototypical opioid, possesses a...
192
Opioid Analgesics: Synthetic and Semisynthetic Opioids
251
Synthetic and semisynthetic opioids are pivotal in pain management and tackling opioid addiction. Semisynthetic opioids, including morphinans (morphine derivatives), oxycodone, oxymorphone, hydrocodone, and hydromorphone, have improved pharmacokinetic profiles compared to morphine. Additionally, heroin and 6-MAM (6-Monoacetylmorphine) show better CNS penetration than morphine due to heightened lipid solubility. Hydromorphone, a potent opioid, undergoes hepatic metabolism to form the active...
251
Sleep-Wake Cycles
1.2K
Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and rapid eye movement (REM).
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
1.2K

