Neuro2a (N2a) Cell Line
Repository ID: CL-MUS-001
Quick Facts
| Parameter | Information |
|---|---|
| Cell Line | Neuro2a (N2a) |
| Species | Mouse (Mus musculus) |
| Tissue of Origin | Neuroblastoma |
| Disease Association | Neuroblastoma |
| Cell Type | Neuroblast-like |
| Growth Mode | Adherent |
| Morphology | Small, rounded neuroblast-like cells |
| Typical Medium | DMEM + 10% FBS |
| Doubling Time | Approximately 18-24 hours |
| Main Use | Neuronal differentiation and neurodegeneration research |
Overview
Neuro2a (N2a) is a mouse neuroblastoma-derived cell line widely used in neuroscience research. Its rapid growth, ease of maintenance, and high transfection efficiency make it a versatile model for investigating neuronal differentiation, neurite outgrowth, protein aggregation, and mechanisms of neurodegenerative disease.
Although N2a cells are tumor-derived and do not fully reproduce mature neuronal physiology, they provide a simple and reproducible platform for molecular and cellular neuroscience studies.
Origin
- Established from a spontaneous mouse neuroblastoma.
- Derived from neural crest-origin tumor cells.
- Developed as an experimental model for neuronal biology and differentiation.
Unique Biology
One of the defining features of Neuro2a cells is their ability to differentiate into neuron-like cells following serum reduction, often combined with retinoic acid treatment.
Differentiated N2a cells exhibit:
- Neurite extension
- Reduced proliferation
- Increased neuronal marker expression
- More mature neuronal morphology
N2a cells are also highly amenable to genetic manipulation, making them particularly useful for overexpression, gene silencing, CRISPR experiments, and studies of intracellular protein trafficking.
Because of their high transfection efficiency, they are widely used to model protein aggregation associated with neurodegenerative diseases, including amyloid-β, tau, α-synuclein, and huntingtin.
Culture Considerations
Typical culture conditions include:
- DMEM
- 10% Fetal Bovine Serum
- 37°C
- 5% CO₂
Cells grow as adherent cultures and are generally passaged at 70-80% confluency.
For differentiation studies, serum concentration is commonly reduced, with or without retinoic acid supplementation. Consistent passage number and seeding density improve reproducibility of neurite outgrowth experiments.
Major Applications
Neuro2a cells are extensively used for:
- Neuronal differentiation
- Neurite outgrowth studies
- Neurodegenerative disease research
- Protein aggregation models
- Alzheimer's disease research
- Parkinson's disease research
- Huntington's disease research
- Neurotoxicity studies
- Signal transduction
- Gene expression and transfection studies
Strengths
- Rapid growth
- Easy to culture and maintain
- High transfection efficiency
- Readily differentiated into neuron-like cells
- Cost-effective neuronal model
- Extensive use in molecular neuroscience
Limitations
- Mouse-derived rather than human
- Neuroblastoma-derived cell line
- Differentiated cells do not fully replicate mature neurons
- Lack the cellular complexity of the nervous system
- Species differences should be considered when interpreting results
References
- Klebe RJ, Ruddle FH. Neuroblastoma: Cell Culture Analysis of a Differentiating Mouse Tumor. Journal of Cell Biology.
- Freshney RI. Culture of Animal Cells: A Manual of Basic Technique and Specialized Applications.
- ATCC Cell Line Database.
- Cellosaurus Cell Line Knowledge Resource.
- ECACC Cell Line Collection.