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Isolation, Characterization and MicroRNA-based Genetic Modification of Human Dental Follicle Stem Cells

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Published on: November 16, 2018

Putative stem cells in regenerating human periodontium.

N-H Lin¹, D Menicanin, K Mrozik

¹School of Dentistry, University of Adelaide, Adelaide, SA, Australia.

Journal of Periodontal Research

|July 16, 2008

Summary

Researchers identified mesenchymal stem cells in regenerating periodontal tissues. These cells show potential for periodontal regeneration, though with lower mineralization than established stem cell sources.

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Area of Science:

Biomedical Engineering
Stem Cell Biology
Periodontology

Background:

Human periodontal ligament stem cells can regenerate the periodontium.
The presence of these stem cells in regenerating tissues is not well understood.

Purpose of the Study:

To identify and locate potential stem cells in regenerating human periodontal tissues.
To analyze stem cell markers and differentiation potential in these tissues.

Main Methods:

Guided tissue regeneration performed on human molars.
Immunohistochemistry used to detect STRO-1, CD146, and CD44 markers.
Flow cytometry and in vitro assays assessed cell characteristics and differentiation capacity.

Main Results:

Putative mesenchymal stem cells expressing STRO-1, CD44, and CD146 were found in regenerating tissues.
These cells exhibited mineralization and adipogenic potential in culture.
Mineralization levels were lower compared to periodontal ligament stem cells and bone marrow stromal stem cells.

Conclusions:

Regenerating periodontal tissues contain cells with mesenchymal stem cell characteristics.
These cells likely play a role in the process of periodontal regeneration.