Induced Pluripotent Stem Cell-Derived Neurons

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cell761 wordssynced 2026-04-02

Induced Pluripotent Stem Cell-Derived Neurons

Overview

flowchart TD Induced_Pluripotent_Stem_Cell_["Induced Pluripotent Stem Cell-Derived Neurons"] Induced_Pluripotent_Stem_Cell_["Cell-Derived"] Induced_Pluripotent_Stem_Cell_ -->|"related to"| Induced_Pluripotent_Stem_Cell_ style Induced_Pluripotent_Stem_Cell_ fill:#81c784,stroke:#333,color:#000 Induced_Pluripotent_Stem_Cell_["Neurons"] Induced_Pluripotent_Stem_Cell_ -->|"related to"| Induced_Pluripotent_Stem_Cell_ style Induced_Pluripotent_Stem_Cell_ fill:#81c784,stroke:#333,color:#000 Induced_Pluripotent_Stem_Cell_["table"] Induced_Pluripotent_Stem_Cell_ -->|"related to"| Induced_Pluripotent_Stem_Cell_ style Induced_Pluripotent_Stem_Cell_ fill:#81c784,stroke:#333,color:#000 style Induced_Pluripotent_Stem_Cell_ fill:#4fc3f7,stroke:#333,color:#000

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Induced Pluripotent Stem Cell-Derived Neurons

Overview

Mermaid diagram (expand to render)

<table class="infobox infobox-cell">
<tr>
<th class="infobox-header" colspan="2">Induced Pluripotent Stem Cell-Derived Neurons</th>
</tr>
<tr>
<td class="label">Taxonomy</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology (CL)</td>
<td>[CL:0000034](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0000034)</td>
</tr>
<tr>
<td class="label">Database</td>
<td>ID</td>
</tr>
<tr>
<td class="label">Cell Ontology</td>
<td>[CL:0000034](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0000034)</td>
</tr>
<tr>
<td class="label">Cell Ontology</td>
<td>[CL:0000049](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0000049)</td>
</tr>
</table>

Induced Pluripotent Stem Cell Derived Neurons 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.

[@kondo2018]

Multi-Taxonomy Classification

Taxonomy Database Cross-References

PanglaoDB Marker Cross-References

Unknown (PanglaoDB):

External Database Links

[Cell Ontology (CL:0000034)](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0000034)
[OBO Foundry (CL:0000034)](http://purl.obolibrary.org/obo/CL_0000034)
[Allen Brain Cell Atlas](https://portal.brain-map.org/atlases-and-data/bkp/abc-atlas)
[CellxGene Census](https://cellxgene.cziscience.com/)
[Human Cell Atlas](https://www.humancellatlas.org/)
[PanglaoDB](https://panglaodb.se/)

Taxonomy & Classification

PanglaoDB Marker Cross-References

Unknown (PanglaoDB):

External Database Links

[Cell Ontology (CL:0000034)](https://www.ebi.ac.uk/ols4/ontologies/cl/classes/http%253A%252F%252Fpurl.obolibrary.org%252Fobo%252FCL_0000034)
[OBO Foundry (CL:0000034)](http://purl.obolibrary.org/obo/CL_0000034)
[Allen Brain Cell Atlas](https://portal.brain-map.org/atlases-and-data/bkp/abc-atlas)
[CellxGene Census](https://cellxgene.cziscience.com/)
[PanglaoDB](https://panglaodb.se/)

Introduction

Induced pluripotent stem cell (iPSC)-derived neurons are patient-specific neural cells generated by reprogramming adult somatic cells (typically fibroblasts or blood cells) back to a pluripotent state, then directing their differentiation into specific neuronal subtypes. This technology has revolutionized neurodegenerative disease research by providing human disease-relevant cellular models that capture patient-specific genetic backgrounds.

Generation Process

Step 1: Reprogramming

Adult somatic cells are reprogrammed using the Yamanaka factors:

OCT4: Maintains pluripotency
SOX2: Neural lineage priming
KLF4: Cellular reprogramming
c-MYC: Proliferation enhancement

Methods include integration-free episomal vectors, mRNA transfection, or small molecule approaches to avoid genomic disruption.

Step 2: Neural Induction

iPSCs are guided toward neural lineage through:

Dual SMAD inhibition: SB431542 + LDN-193189
Neuroectoderm specification
Rosette formation

Step 3: Neuronal Differentiation

Directed differentiation protocols yield specific neuron types:

Dopaminergic neurons: For Parkinson's disease models
Motor neurons: For ALS studies
Cortical neurons: For Alzheimer's disease research
Forebrain inhibitory neurons: For various applications

Step 4: Maturation

Young neurons require extended culture (months) to achieve:

Functional synapse formation
Action potential generation
Neurotransmitter release capability

Applications in Neurodegeneration

Alzheimer's Disease

Amyloid pathology: Patient-specific neurons reveal AD-relevant amyloid-beta production
Tau dysfunction: Direct observation of tau phosphorylation and spreading
Drug screening: Testing candidate compounds on patient neurons
APOE effects: Modeling APOE4 risk allele effects

Parkinson's Disease

Alpha-synuclein: Modeling Lewy body pathology in patient neurons
LRRK2 mutations: Studying the most common genetic cause of PD
Mitochondrial dysfunction: Live imaging of mitochondrial defects
Dopaminergic neurons: Specifically relevant to SNc vulnerability

Amyotrophic Lateral Sclerosis (ALS)

C9orf72 expansions: Modeling hexanucleotide repeat expansions
TDP-43 pathology: Observing protein aggregation
SOD1 mutations: Classic ALS genetic model
Motor neuron degeneration: Direct study of cell death mechanisms

Frontotemporal Dementia

tau and TDP-43 pathology: Modeling proteinopathies
Patient-specific phenotypes: Understanding genetic subtypes

Advantages

Patient-Specific Modeling

Captures individual genetic variation
Enables study of sporadic disease
Personalized medicine applications

Disease-Relevant Cell Types

Human neurons (not rodent)
Developmental and disease stage specificity
Physiological relevance

Therapeutic Screening

High-throughput drug testing
Patient-stratified screening
Biomarker discovery

Challenges and Limitations

Technical Challenges

Variable reprogramming efficiency between patients
Incomplete maturation compared to adult neurons
Reprogramming artifacts and genomic instability
High cost and labor intensity

Biological Limitations

Juvenile state of derived neurons
Lack of aging-associated changes
Absence of glial interactions in monocultures

Standardization

Need for harmonized protocols
Quality control benchmarks
Reproducibility across lines

Disease Modeling Breakthroughs

iPSC technology has enabled:

Living models of human neurodegenerative diseases
Understanding of disease mechanisms inaccessible previously
Discovery of novel therapeutic targets
Patient stratification for clinical trials
Cell-based brain delivery
Stem cell therapy
Alzheimer's disease models
Parkinson's disease models
Gene therapy

External Links

[iPSC Repository - Cedars-Sinai](https://ipscblog.cedars-sinai.org/) - Patient-derived iPSC lines
[Human Cell Atlas - Brain](https://www.humancellatlas.org/) - Single-cell data
[NIH Stem Cell Information](https://stemcells.nih.gov/) - Stem cell research resources

Overview

Background

The study of Induced Pluripotent Stem Cell Derived 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.

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