| iPSC-Derived Motor Neurons | |
|---|---|
| Lineage | Stem Cell > iPSC > Motor Neuron |
| Markers | CHAT, ISL1, HB9, SMI-32, TUBB3 |
| Brain Regions | In Vitro (Spinal Cord Patterning) |
| Disease Relevance | Amyotrophic Lateral Sclerosis (ALS), Spinal Muscular Atrophy (SMA) |
| Protocol | Directed Differentiation (21-30 days) |
Ipsc Derived Motor 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.
iPSC-Derived Motor Neurons are specialized neurons generated from induced pluripotent stem cells (iPSCs) through directed differentiation protocols that recapitulate embryonic spinal cord development.[1] These cells express characteristic motor neuron markers including CHAT (choline acetyltransferase), ISL1, HB9 (MNX1), and neurofilament (SMI-32), defining their identity as authentic motor neurons.[2]
iPSC-derived motor neurons provide a powerful in vitro model for studying amyotrophic lateral sclerosis (ALS), spinal muscular atrophy (SMA), and other motor neuron diseases.[3] These cells can be generated from patients with familial ALS mutations (C9orf72, SOD1, FUS, TARDBP) as well as sporadic cases, enabling disease modeling in a patient-specific context.[4]
| Taxonomy | ID | Name / Label |
|---|---|---|
| Cell Ontology (CL) | CL:0000100 | motor neuron |
| Database | ID | Name | Confidence |
|---|---|---|---|
| Cell Ontology | CL:0000100 | motor neuron | Medium |
The generation of motor neurons from iPSCs typically follows a directed differentiation approach that mimics embryonic spinal cord development:
iPSC-derived motor neurons are characterized by the following marker expression profile:
| Marker | Type | Function |
|---|---|---|
| HB9 (MNX1) | Transcription Factor | Motor neuron specification |
| ISL1 | Transcription Factor | Motor neuron survival |
| CHAT | Enzyme | Acetylcholine synthesis |
| SMI-32 | Neurofilament | Axonal integrity |
| TUBB3 (βIII-tubulin) | Cytoskeleton | Neuronal identity |
| MAP2 | Cytoskeleton | Dendritic marking |
iPSC-derived motor neurons from ALS patients exhibit several pathological features:
iPSC-derived motor neurons are commonly co-cultured with:
iPSC-derived motor neurons are being developed for transplantation therapy:
iPSC-derived motor neurons serve as platforms for:
| Cell Source | Advantages | Limitations |
|---|---|---|
| Primary fetal tissue | Physiologically mature | Ethical concerns, limited supply |
| ESC-derived | Unlimited potential | Tumor risk, immune issues |
| iPSC-derived | Patient-specific, disease modeling | Cost, variability |
| Direct reprogramming | Fast conversion | Incomplete maturation |
](/cell-types/spinal-cord-organoid-motor-neurons
--sod1-gene
--c9orf72-gene
--fus-gene
--tardbp-gene)##
Amoroso et al. 2013 - Accelerated derivation of motor neurons from pluripotent stem cells. 2013. ↩︎
Maury et al. 2018 - Motor neuron differentiation from pluripotent stem cells. 2018. ↩︎
Sreedharan et al. 2023 - iPSC models of ALS. 2023. ↩︎
Bilican et al. 2012 - Motor neuron pathology in ALS iPSC models. 2012. ↩︎
Donnelly et al. 2013 - C9orf72 repeat expansions in iPSC motor neurons. 2013. ↩︎
Kalkonde et al. 2022 - SOD1 mutation motor neuron models. 2022. ↩︎
Kino et al. 2015 - FUS pathology in iPSC motor neurons. 2015. ↩︎
Schizopoulos et al. 2024 - ASO therapy in iPSC motor neurons. 2024. ↩︎