| iPSC-Derived Noradrenergic Neurons | |
|---|---|
| Lineage | Stem Cell > iPSC > Noradrenergic |
| Markers | DBH, TH, PHOX2A |
| Brain Regions | In Vitro |
| Disease Relevance | Parkinson's Disease, Depression |
iPSC-derived noradrenergic neurons are specialized neurons generated from induced pluripotent stem cells (iPSCs) that exhibit the molecular and functional properties of endogenous locus coeruleus noradrenergic neurons. These cells provide a critical in vitro model for studying Parkinson's disease (PD), depression, and norepinephrine-related neurodegeneration[1].
| Taxonomy | ID | Name / Label |
|---|---|---|
| Cell Ontology (CL) | CL:0000459 | noradrenergic cell |
| Database | ID | Name | Confidence |
|---|---|---|---|
| Cell Ontology | CL:0000459 | noradrenergic cell | Medium |
Differentiation of iPSCs into noradrenergic neurons follows a protocol that recapitulates the development of the locus coeruleus:
iPSC-derived noradrenergic neurons express canonical markers:
| Marker | Function | Detection Method |
|---|---|---|
| TH | Rate-limiting enzyme in catecholamine synthesis | Immunohistochemistry |
| DBH | Dopamine β-hydroxylase | qPCR, Western blot |
| PNMT | Phenylethanolamine N-methyltransferase | Immunohistochemistry |
| PHOX2A/B | Transcription factors | RNA-seq |
| NET (SLC6A2) | Norepinephrine transporter | Functional assay |
Single-cell RNA sequencing shows that iPSC-derived noradrenergic neurons cluster with primary locus coeruleus neurons and express characteristic transcription factors including PHOX2A, PHOX2B, and FEV[3].
Mature iPSC-derived noradrenergic neurons exhibit:
iPSC-derived noradrenergic neurons from PD patients show:
Noradrenergic dysfunction is central to depression pathophysiology:
These neurons model:
| Property | iPSC-Derived | Primary Human LC |
|---|---|---|
| Availability | Unlimited | Very limited |
| Maturation | 6-8 weeks | N/A |
| Purity | 50-70% | Native |
| Functionality | Partial | Full |
Induced pluripotent stem cells: Disease modeling and drug discovery for neurodegenerative disorders (Neuron, 2023). 2023. ↩︎
Directed differentiation of human iPSCs into locus coeruleus noradrenergic neurons (Nature Neuroscience, 2022). 2022. ↩︎
Single-cell transcriptomics of human noradrenergic neurons reveals disease-state signatures (Cell Stem Cell, 2024). 2024. ↩︎
Noradrenergic dysfunction in Parkinson's disease iPSC models (Brain, 2023). 2023. ↩︎