The Origin and Identification of Mesenchymal Stem Cells in Teeth: from Odontogenic to Non-odontogenic

Author(s): Dixin Cui, Hongyu Li, Mian Wan, Yiran Peng, Xin Xu, Xuedong Zhou, Liwei Zheng*

Journal Name: Current Stem Cell Research & Therapy

Volume 13 , Issue 1 , 2018

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Background: Mesenchymal stem cells (MSCs) in teeth have been exploited as vital seed cells for stem cell-based dental medicine. To date, several mesenchymal stem cell populations originated from odontogenic tissue have been isolated and characterized by their expression of MSC surface markers and capacity of multi-lineage differentiation, including dental pulp stem cells (DPSCs), stem cells from human exfoliated deciduous teeth (SHED), stem cells from apical papilla (SCAP) and so on. However, their identity in vivo remains elusive, which hinders further understanding of their application in stem cell-based tooth regeneration. Label retaining and lineage tracing analyses, which serve as gold standards for identification of stem cells in vivo, provide feasibility for identifying MSCs in teeth.

Objectives: In this review, we will discuss the issues of MSCs, including the origin and identification of both odontogenic and non-odontogenic MSCs, and address the role of nerve-derived Sonic hedgehog (Shh) in the regulation of MSCs in the neurovascular bundle (NVB).

Conclusion: Based on label retaining and lineage tracing analyses, latest studies have found new populations of non-odontogenic MSCs in teeth, periarterial-derived and glial-derived, regulated by the Shh derived from nerves in the NVB, which provides a new hope for tooth regeneration.

Keywords: Mesenchymal stem cells, tooth regeneration, neurovascular bundle, Gli1, glia, Sonic hedgehog.

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Article Details

Year: 2018
Published on: 27 December, 2017
Page: [39 - 45]
Pages: 7
DOI: 10.2174/1574888X12666170913150403
Price: $65

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