Noradrenergic Neurons is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
Noradrenergic neurons use norepinephrine (noradrenaline) as their primary neurotransmitter. These neurons are primarily located in the locus coeruleus (LC) of the pons and project widely throughout the brain and spinal cord. They play crucial roles in arousal, attention, stress response, mood regulation, and autonomic function. The locus coeruleus is one of the earliest brain regions affected in Alzheimer's disease and shows degeneration in Parkinson's disease. [1]
| Taxonomy | ID | Name / Label |
|---|---|---|
| Cell Ontology (CL) | CL:0000459 | noradrenergic cell |
| Database | ID | Name | Confidence | [2]
|----------|----|------|------------| [3]
| Cell Ontology | CL:0000459 | noradrenergic cell | Exact | [4]
| Cell Ontology | CL:0008025 | noradrenergic neuron | Exact | [5]
Alpha-1 (α1A, α1B, α1D): Gq-coupled, excitatory [6]
Alpha-2 (α2A, α2B, α2C): Gi-coupled, inhibitory (autoreceptors)
Beta (β1, β2, β3): Gs-coupled, excitatory
The study of Noradrenergic Neurons 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.
[2] Sara SJ. The locus coeruleus and noradrenergic modulation of cognition. 2009. ↩︎
[4] Weinshenker D. Functional consequences of locus coeruleus degeneration in Alzheimer's disease. 2008. ↩︎
[5] Del Tredici K, Braak H. Locus coeruleus. 2019. ↩︎
[6] Gesi M et al. Locus coeruleus and neurodegenerative diseases. 2022. ↩︎
[7]chandler DJ et al. Beyond the locus coeruleus: noradrenergic neurons in the rostral medulla. 2014. ↩︎
[8] Aston-Jones G, Cohen JD. Adaptive gain and the role of the locus coeruleus-norepinephrine system in optimal performance. 2005. ↩︎