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Related Experiment Video

Updated: Jun 17, 2026

Characterization of In Vitro Differentiation of Human Primary Keratinocytes by RNA-Seq Analysis
07:29

Characterization of In Vitro Differentiation of Human Primary Keratinocytes by RNA-Seq Analysis

Published on: May 16, 2020

Decoding regional keratinization in human oral mucosa through high-resolution spatial transcriptomics.

Noy Rosental Vazani1, Michal Lusthaus2, Ana Caetano3

  • 1Department of Oral Biology, Goldschleger School of Dental Medicine, Gray Faculty of Medical and Health Sciences, Tel Aviv University, Tel-Aviv, Israel.

Scientific Reports
|June 15, 2026
PubMed
Summary

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This summary is machine-generated.

This study reveals how stromal collagen and epithelial adhesion drive keratinization in the oral mucosa. Understanding these spatial and molecular interactions is key for periodontal health and regenerative therapies.

Area of Science:

  • Oral biology
  • Histology
  • Regenerative medicine

Background:

  • Oral mucosa keratinization is vital for periodontal health but its mechanisms are unclear.
  • Region-specific differences in oral mucosa keratinization require further investigation.

Purpose of the Study:

  • To create a high-resolution spatial transcriptomic atlas of the human oral mucosa near the mucogingival junction.
  • To identify stromal-epithelial interactions that differentiate keratinized and non-keratinized oral mucosa programs.

Main Methods:

  • Analysis of formalin-fixed paraffin-embedded oral mucosa specimens using the 10x Genomics Visium HD platform.
  • Application of spatial clustering, pseudotime trajectory inference, cell-type integration, and ligand-receptor network analysis.
  • Identification of distinct transcriptional signatures in keratinized (gingiva) and non-keratinized (lining mucosa) regions.
Keywords:
Collagen-desmosome signalingKeratinizationOral mucosaSpatial transcriptomicsStromal-epithelial interactions

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Isolation of Cells with Morphological and Spatial Information from Oral Submucous Fibrosis Samples by Laser Capture Microdissection
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Isolation of Cells with Morphological and Spatial Information from Oral Submucous Fibrosis Samples by Laser Capture Microdissection

Published on: August 11, 2023

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Last Updated: Jun 17, 2026

Characterization of In Vitro Differentiation of Human Primary Keratinocytes by RNA-Seq Analysis
07:29

Characterization of In Vitro Differentiation of Human Primary Keratinocytes by RNA-Seq Analysis

Published on: May 16, 2020

Isolation of Cells with Morphological and Spatial Information from Oral Submucous Fibrosis Samples by Laser Capture Microdissection
05:42

Isolation of Cells with Morphological and Spatial Information from Oral Submucous Fibrosis Samples by Laser Capture Microdissection

Published on: August 11, 2023

Main Results:

  • Generated a spatial transcriptomic atlas revealing 16 reproducible clusters mirroring tissue architecture.
  • Identified bifurcating epithelial lineages from basal progenitors into keratinized and non-keratinized programs.
  • Discovered that stromal collagen ligands (COL1A1, COL1A2, COL6A1, COL6A2) binding epithelial receptors (CD44, SDC1) drive gingival keratinization, reinforced by desmosomal adhesion (DSG1-DSC2/3).

Conclusions:

  • Gingival keratinization results from integrated stromal collagen signaling and epithelial adhesion.
  • This study provides a spatially resolved framework for understanding oral mucosal specialization.
  • The findings lay the groundwork for developing targeted regenerative therapies for oral mucosal conditions.