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Updated: May 6, 2026
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Rapid and Efficient Generation of Neurons from Human Pluripotent Stem Cells in a Multititre Plate Format
Published on: March 5, 2013
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Rapid, Growth Factor-Reduced Induction of Functional Neurons from hiPSCs
Natalie A Parker1, Oluwadamilola E Kolawole1, Zhixin Liao1
1Department of Biomedical Engineering, Tufts University, Medford, Massachusetts, USA.
Cells, Tissues, Organs
|May 4, 2026
Summary
We developed a simplified, low-cost protocol for converting human induced pluripotent stem cells (hiPSCs) into functional neurons using a tetracycline-inducible Neurogenin-2 (NGN2) system, making neuronal differentiation more accessible.
Area of Science:
- Stem cell biology
- Neuroscience
- Biotechnology
Background:
- Human induced pluripotent stem cells (hiPSCs) offer a promising source for neuronal replacement therapies.
- Current protocols for differentiating hiPSCs into neurons often rely on expensive reagents and specialized expertise.
- A simplified, cost-effective method is needed to broaden the accessibility of hiPSC-derived neurons.
Purpose of the Study:
- To develop and validate a streamlined, low-cost protocol for efficient neuronal differentiation of hiPSCs.
- To generate functional cortical neurons using a tetracycline-inducible (TET-on) Neurogenin-2 (NGN2) system in minimal media.
- To assess the efficiency, maturation, and functionality of neurons derived from the simplified protocol.
Main Methods:
- Human induced pluripotent stem cells (hiPSCs) were stably transfected with a TET-on NGN2 cassette using the PiggyBac system.
- Cells were induced with doxycycline in Essential 6 media, with or without the Notch inhibitor DAPT.
- Neurogenesis was assessed via immunocytochemistry and RT-qPCR; functional maturation was evaluated using multielectrode array (MEA) recordings.
Main Results:
- The addition of DAPT significantly enhanced hiPSC-to-neuron conversion efficiency, yielding glutamatergic neurons expressing cortical markers.
- Multielectrode array recordings demonstrated spontaneous neuronal activity by day 14 and synchronous network firing by day 35.
- Secondary transfection allowed for live imaging of neurite outgrowth, facilitating real-time observation of neuronal development.
Conclusions:
- This simplified, growth-factor-free workflow provides an accessible method for generating functional neurons from patient-derived hiPSCs.
- The protocol is suitable for laboratories with limited experience in hiPSC or neuronal culture.
- The developed method lowers the barrier to entry for utilizing hiPSC-derived neurons in research and potential therapeutic applications.
Keywords:
Central nervous systemNeural stem cellsNeural tissue engineeringNeurogenin-2PiggyBacStem cell differentiationiNeuron
