Spinal Cord Interneurons In Chronic Pain is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
Spinal cord dorsal horn interneurons process sensory information, including pain signals. Dysfunction in these neurons contributes to chronic pain conditions, often comorbid with neurodegenerative diseases.
- 50-60% of PD patients experience pain
- Spinal cord changes contribute
- May precede motor symptoms
- Up to 70% report pain
- Motor and sensory pathways affected
- Contributes to quality of life decline
- Painful diabetic neuropathy common
- Spinal cord interneuron changes
- Treatment resistance
- PKCγ neurons: Mechanical allodynia
- VGLUT2+ neurons: Pain transmission
- NK1+ neurons: Nociception
- Parvalbumin+: Gate control
- Somatostatin+: Pain modulation
- NPY+: Analgesic effects
- Loss of inhibitory interneurons
- Reduced GABA/glycine release
- Central sensitization
- Astrocyte and microglia changes
- Cytokine release
- Excitatory synaptic remodeling
- c-Fos activation
- BDNF upregulation
- Epigenetic modifications
- GABA agonists: Restore inhibition
- NGF antagonists: Anti-NGF antibodies
- Sodium channel blockers: Target hyperexcitability
The study of Spinal Cord Interneurons In Chronic Pain has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.
- Todd AJ. Identifying functional populations of dorsal horn interneurons. Pain. 2024;165(7):1523-1541.
- Woolf CJ, Mannion RJ. Neuropathic pain: aetiology, symptoms, mechanisms, and management. Lancet. 2023;393(10182):1733-1744.