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Related Concept Videos

EPS and iPS Cells in Disease Research01:21

EPS and iPS Cells in Disease Research

Embryonic and induced pluripotent stem cells are excellent models for disease research because of their ability to self-renew and differentiate into most cell types. Somatic cells from a patient are isolated and reprogrammed into induced pluripotent stem cells or iPSCs. These iPSCs are later differentiated into the desired cell type, which mirrors the diseased cell of the patient. In this way, disease models have been created for investigating diseases such as Down syndrome, type I diabetes,...

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Related Experiment Video

Updated: Jun 25, 2026

The Specification of Telencephalic Glutamatergic Neurons from Human Pluripotent Stem Cells
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Embryonic Stem Cell-Derived Neurons as a Model System for Epigenome Maturation during Development.

Sally Martin1,2, Daniel Poppe3,4, Nelly Olova5

  • 1Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD 4072, Australia.

Genes
|May 27, 2023
PubMed
Summary
This summary is machine-generated.

Mouse neurons derived from stem cells can replicate in vivo DNA methylation patterns, unlike human neurons. This breakthrough allows for studying neuron epigenome maturation in vitro.

Keywords:
DNA methylationcell culture systemsepigenomicsneuronal maturationneuroscience

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Area of Science:

  • Neuroscience
  • Epigenetics
  • Developmental Biology

Background:

  • DNA methylation, particularly in the CH sequence context (mCH), is crucial for neuronal genome regulation and maturation.
  • Vertebrate neurons exhibit unique, high levels of mCH during early postnatal brain development, distinct from other tissues.

Purpose of the Study:

  • To assess the capacity of in vitro-derived neurons from mouse and human pluripotent stem cells to mimic in vivo DNA methylation patterns.
  • To establish a tractable in vitro model for studying neuronal epigenome maturation.

Main Methods:

  • Comparison of DNA methylation patterns in human and mouse embryonic stem cell (ESC)-derived neurons cultured in 2D and 3D organoids versus in vivo development.
  • Analysis of DNA methyltransferase Dnmt3a expression, postmitotic marker Rbfox3 (NeuN) timing, and localization of mCH deposition.
  • Correlation analysis between mCH and gene expression.

Main Results:

  • Human ESC-derived neurons failed to accumulate mCH in vitro, irrespective of culture model (2D or 3D).
  • Mouse ESC-derived cortical neurons successfully acquired in vivo levels of mCH in vitro, mirroring developmental timing.
  • mCH deposition in mouse neurons correlated with Dnmt3a increase, followed Rbfox3 expression, localized to the nuclear lamina, and negatively impacted gene expression.

Conclusions:

  • Mouse ESC-derived neurons serve as a viable in vitro model for recapitulating the neuronal DNA methylation landscape, unlike human counterparts.
  • This model system enables experimental investigation of epigenome maturation over experimentally tractable timeframes.
  • Subtle differences in methylation patterns suggest non-cell autonomous factors influence in vivo neuronal epigenomes.