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Related Experiment Video

Updated: Apr 20, 2026

Establishing Organoids from Human Tooth as a Powerful Tool Toward Mechanistic Research and Regenerative Therapy
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ES cells-derived ectomesenchymal cells for tooth engineering.

S Acuña-Mendoza1, S Martin2, S Ribes1

  • 1EA 2496, Faculté de Chirurgie Dentaire, Université Paris Descartes, Montrouge, France.

Bulletin Du Groupement International Pour La Recherche Scientifique En Stomatologie & Odontologie
|December 3, 2014
PubMed
Summary
This summary is machine-generated.

Researchers derived ectomesenchymal cells from pluripotent stem cells for potential dental tissue regeneration. The FGF2 and BMP4 protocol successfully activated key genes for tooth development.

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Area of Science:

  • Stem cell biology
  • Tissue engineering
  • Developmental biology

Background:

  • Dental tissue loss necessitates regenerative therapies.
  • Tooth generation is possible by reassociating dental epithelial and neural crest-derived ectomesenchymal cells.
  • Pluripotent stem cells offer a promising source for generating these cells for human therapies.

Purpose of the Study:

  • To derive ectomesenchymal cells from embryonic stem (ES) cells.
  • To evaluate two differentiation protocols for generating odontogenic-competent cells.
  • To assess the potential for dental tissue regeneration using stem cell-derived cells.

Main Methods:

  • Developed two ES cell differentiation protocols: one using cyclopamine, the other using FGF2 and BMP4.
  • Characterized differentiated cells using quantitative RT-PCR to analyze gene expression.
  • Monitored pluripotent and neural crest specifier gene activation kinetics.

Main Results:

  • Both protocols yielded cells with mesenchymal morphology within 10 days.
  • Differentiated cells downregulated pluripotent genes and activated neural crest specifiers.
  • The FGF2 and BMP4 protocol uniquely activated the Twist gene, crucial for ectomesenchymal fate.

Conclusions:

  • ES cells can be differentiated into ectomesenchymal-like cells with potential for tooth regeneration.
  • The FGF2 and BMP4 protocol shows promise for generating odontogenic-competent cells.
  • Further studies involving reassociation experiments are needed to confirm the odontogenic potential for human applications.