Nitric Oxide Signaling In Neurodegeneration plays an important role in the study of neurodegenerative diseases. This page provides comprehensive information about this topic, including its mechanisms, significance in disease processes, and therapeutic implications.
Nitric Oxide Signaling In Neurodegeneration is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes. [1]
Nitric oxide (NO) is a versatile gaseous signaling molecule that plays complex roles in the nervous system. While NO serves important physiological functions in synaptic plasticity, blood flow regulation, and immune defense, dysregulated NO signaling contributes to neurodegeneration through nitrative stress, protein nitration, and mitochondrial dysfunction. [2]
| Component | Function | Role in Neurodegeneration | [3]
|-----------|----------|--------------------------| [4]
| nNOS (NOS1) | Neuronal nitric oxide synthase | Activity linked to excitotoxicity | [5]
| eNOS (NOS3) | Endothelial NOS | BBB regulation, blood flow | [6]
| iNOS (NOS2) | Inducible NOS | Chronic inflammation, high NO output | [7]
| nSMase | Neutral sphingomyelinase | Ceramide generation, exosome release | [8]
| sGC | Soluble guanylate cyclase | cGMP production | [9]
| cGMP | Cyclic guanosine monophosphate | Second messenger |
| PDE | Phosphodiesterases | cGMP breakdown |
Aβ-Induced NO Production
Nitrative Stress
Synaptic Dysfunction
Vascular Contributions
Mitochondrial NO Effects
Microglial iNOS
Dopaminergic Vulnerability
Therapeutic Implications
Motor Neuron Susceptibility
Glial iNOS
Therapeutic Targets
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Hunot S, et al. Nitric oxide, excitotoxicity and inflammation in Parkinson's disease. 1998. ↩︎
Law A, et al. Potential role of nitric oxide in Alzheimer's disease. 2001. ↩︎
Guix FX, et al. The physiology and pathophysiology of nitric oxide in the brain. 2005. ↩︎
Zhou L, Zhu DY. Neuronal nitric oxide synthase: structure, subcellular localization, regulation, and clinical implications. 2009. ↩︎
Bredt DS. Endogenous nitric oxide synthesis: biological functions and pathophysiology. 1999. ↩︎
Pacher P, et al. Nitric oxide and peroxynitrite in health and disease. 2007. ↩︎
Thayyullathil F, et al. Recent advances in understanding the molecular mechanisms of nitrosative stress in neurodegenerative diseases. 2016. ↩︎
Contestabile A. Role of nitric oxide in the regulation of neurogenesis in the adult brain. 2011. ↩︎