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Teratogenicity

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Related Experiment Video

Updated: Dec 20, 2025

Isolation of Cerebrospinal Fluid from Rodent Embryos for use with Dissected Cerebral Cortical Explants

Isolation of Cerebrospinal Fluid from Rodent Embryos for use with Dissected Cerebral Cortical Explants

Published on: March 11, 2013

Tcf4 is required for correct brain development during embryogenesis.

Simone Mesman¹, Reinier Bakker¹, Marten P Smidt¹

¹Swammerdam Institute for Life Sciences, FNWI University of Amsterdam, Science Park 904, 1098XH Amsterdam, the Netherlands.

Molecular and Cellular Neurosciences

|June 1, 2020

Summary

This summary is machine-generated.

Transcription factor 4 (Tcf4) is crucial for brain development, including cortical and hippocampal formation. Its absence causes severe defects, mimicking Pitt-Hopkins Syndrome, offering insights into neurodevelopmental disorders.

Keywords:

Brain development Corpus callosum defect Cortical development E-box factors Hippocampal hypoplasia Major tract formation Pitt-Hopkins syndrome Tcf4

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Area of Science:

Neuroscience
Developmental Biology
Genetics

Background:

Tcf4 mutations are linked to human neurodevelopmental disorders like Pitt-Hopkins Syndrome (PTHS).
The precise role of Tcf4 in mammalian brain development remains largely unknown.
Understanding Tcf4's function is key to deciphering mechanisms of cortical development and related diseases.

Purpose of the Study:

To investigate the role of Tcf4 in murine embryonic brain development.
To elucidate the cellular and molecular mechanisms underlying Tcf4's function in the developing brain.
To establish Tcf4's contribution to cortical patterning and neuronal differentiation.

Main Methods:

Analysis of Tcf4 expression patterns during murine embryonic development.
Phenotypic characterization of Tcf4-deficient mice, including brain morphology and neuronal development.
RNA-sequencing to identify downstream targets of Tcf4 in the developing cortex.

Main Results:

Tcf4 is expressed during peak neurogenesis and is essential for cortical region differentiation, corpus callosum and anterior commissure formation, and hippocampal development.
Tcf4 deletion leads to cortical neuron mis-specification, midline remodeling defects, and glial abnormalities.
Loss of Tcf4 results in downregulation of genes involved in neurogenesis and neuronal maturation, with many differentially expressed genes linked to other neurodevelopmental disorders.

Conclusions:

Tcf4 plays a critical role in mammalian brain development, particularly in cortical patterning and neuronal differentiation.
Tcf4 deficiency phenocopies brain malformations observed in Pitt-Hopkins Syndrome patients.
This study provides novel insights into the molecular mechanisms of brain development and neurodevelopmental disorders.