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Updated: May 30, 2025
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A Quick and Efficient Method for the Purification of Endoderm Cells Generated from Human Embryonic Stem Cells
Published on: March 3, 2016
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Embryonic Stem Cell Differentiation to Definitive Endoderm As a Model of Heterogeneity Onset During Germ Layer
M N Gordeev1,2,3, A S Zinovyeva1,2, E E Petrenko1,2,4
1Pluripotency Dynamics Group, Institute of Cytology, Russian Academy of Sciences, St. Petersburg, 194064 Russian Federation.
Acta Naturae
|January 29, 2025
Summary
This study establishes a robust model for definitive endoderm (DE) specification from embryonic stem cells (ESCs). The model reveals cellular heterogeneity during germ layer development, even under controlled conditions.
Area of Science:
- Developmental Biology
- Stem Cell Biology
- Regenerative Medicine
Background:
- Embryonic stem cells (ESCs) are pluripotent cells with potential in regenerative medicine.
- ESCs self-renew and differentiate into all somatic and germline cells.
- Understanding ESC differentiation is crucial for modeling embryonic development.
Purpose of the Study:
- To establish a robust in vitro model for definitive endoderm (DE) specification.
- To investigate the role of signaling pathways in germ layer specification.
- To study the origins of cellular heterogeneity during early embryonic development.
Main Methods:
- Utilized chemically defined culture conditions for ESC differentiation.
- Employed homogeneous naïve ESCs as the starting cell population.
- Used a Foxa2 gene-driven EGFP reporter tool for tracking DE specification.
Main Results:
- Successfully established a robust in vitro model of definitive endoderm (DE) specification.
- The model recapitulates formative pluripotency, an intermediate epiblast state.
- Observed a persistent subpopulation of cells not differentiating into endoderm, despite homogeneous starting conditions and high Activin concentration.
Conclusions:
- The developed model provides a tool to study definitive endoderm (DE) specification in vitro.
- The findings highlight inherent cellular heterogeneity during germ layer specification.
- This model can be used to investigate the mechanisms driving cell fate decisions in early development.
Keywords:
CRISPR/Cas9ESCsFoxa2differentiationembryonic stem cellsendodermgastrulationpluripotencyspecificationMore Related Videos
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