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Updated: Sep 4, 2025
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Mucociliary Epithelial Organoids from Xenopus Embryonic Cells: Generation, Culture and High-Resolution Live Imaging
Published on: July 28, 2020
4.9K
Understanding the development of oral epithelial organs through single cell transcriptomic analysis
Qianlin Ye1, Arshia Bhojwani1, Jimmy K Hu1,2
1School of Dentistry, University of California Los Angeles, Los Angeles, CA 90095, USA.
Development (Cambridge, England)
|July 14, 2022
Summary
This study maps the embryonic mouse mandibular epithelium's gene activity to reveal how oral tissues like teeth form. It identifies key genetic regulators and proposes a model for dental field patterning during craniofacial development.
Area of Science:
- Developmental Biology
- Genetics
- Molecular Biology
Background:
- Craniofacial development involves oral epithelium forming complex structures like teeth, salivary glands, and taste buds.
- The initial patterning and cell-type specification of oral epithelium remain poorly understood.
Purpose of the Study:
- To elucidate the genetic programs governing distinct oral epithelial population formation.
- To create a transcriptional atlas of embryonic mouse mandibular epithelia at single-cell resolution.
Main Methods:
- Single-cell RNA sequencing of embryonic day 12 mouse mandibular epithelia.
- Analysis of spatiotemporal patterning along the oral-aboral axis.
- Identification of key transcription factors and gene regulatory networks.
Main Results:
- Detailed transcriptional landscape of embryonic mandibular epithelium.
- Identification of key transcription factors and gene regulatory networks defining epithelial cell types.
- Proposed model for dental field spatial confinement during development.
- Ntrk2 identified as a proliferation driver in incisor formation.
Conclusions:
- Provides a comprehensive transcriptional atlas of embryonic mandibular epithelium.
- Unveils novel genetic markers and regulators for oral epithelial structure specification.
- Offers insights into the genetic basis of craniofacial development and tooth formation.
