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Differentiation and Characterization of Neural Progenitors and Neurons from Mouse Embryonic Stem Cells

Differentiation and Characterization of Neural Progenitors and Neurons from Mouse Embryonic Stem Cells

Published on: May 15, 2020

Embryonic stem cell-based screen for small molecules: cluster analysis reveals four response patterns in developing

I Kern¹, R Xu, S Julien

¹Department of Pediatrics, Geneva University Hospital, Geneva, Switzerland. ilse.kern@hcuge.ch

Current Medicinal Chemistry

|December 13, 2012

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This study developed a dual reporter embryonic stem cell (ESC) line for in vitro testing of neuroactive and neurotoxic compounds. The system effectively identified bioactive compounds and provided complex response patterns for enhanced drug safety assessment.

Area of Science:

Stem cell biology
Neuroscience
Toxicology

Background:

Embryonic stem cells (ESCs) offer a promising in vitro model for testing neuroactive and neurotoxic compounds.
Current in vitro testing methods may lack the sensitivity to detect complex responses to various bioactive substances.

Purpose of the Study:

To evaluate a dual reporter murine ESC line for identifying bioactive and toxic compounds.
To assess the utility of this system in detecting neuroactive and neurotoxic effects during neural differentiation.

Main Methods:

Developed a dual reporter ESC line with firefly luciferase under the neural-specific TUBA1A promoter and renilla luciferase under the ubiquitous EEF1A1 promoter.
Validated the system using methyl mercury, a known neurotoxin, and analyzed a library of 1040 bioactive compounds.

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Last Updated: May 16, 2026

Differentiation and Characterization of Neural Progenitors and Neurons from Mouse Embryonic Stem Cells

Differentiation and Characterization of Neural Progenitors and Neurons from Mouse Embryonic Stem Cells

Published on: May 15, 2020

Enumeration of Neural Stem Cells Using Clonal Assays

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Published on: October 4, 2016

A Simple Method to Identify Kinases That Regulate Embryonic Stem Cell Pluripotency by High-throughput Inhibitor Screening

A Simple Method to Identify Kinases That Regulate Embryonic Stem Cell Pluripotency by High-throughput Inhibitor Screening

Published on: May 12, 2017

Classified compounds based on altered reporter gene activities (EEF1A1 and TUBA1A) into four distinct clusters.

Main Results:

The dual reporter system detected neurotoxic effects of methyl mercury at lower concentrations in differentiating ESCs compared to undifferentiated cells.
Analysis of 1040 compounds identified 127 with altered reporter gene activity, categorized into four clusters.
Cluster 3, characterized by high EEF1A1 and TUBA1A activity, was significantly enriched in neuroactive and neurotoxic compounds.

Conclusions:

The dual reporter gene assay is a valuable addition to in vitro drug testing panels.
This two-dimensional testing strategy provides nuanced information on complex compound responses, surpassing single-marker approaches.
The system aids in identifying potential neurodevelopmental toxicants, psychotropic drugs, and endocrine disruptors.