Expression of mineralization markers in dental pulp cells.

Abstract:

:There is an increasing interest in the utility of dental pulp stem cells (DPSCs) for dentin regeneration. The mechanisms involved in DPSC differentiation remain poorly understood. The purpose of the study was to investigate the mineralization capacity of human dental pulp cells (DPCs) and identify potential markers for odontoblast differentiation. The isolated DPCs expressed mesenchymal stem-cell markers as shown by flow cytometry and could differentiate in vitro into odontogenic, adipogenic, and chondrogenic lineages. Alkaline phosphatase activity of DPCs elevated over time, with significant upregulation on day 21 in odontogenic induction. Quantitative RT-PCR revealed that osteocalcin, dentin sialophosphoprotein (DSPP), and matrix extracellular phosphoglycoprotein (MEPE) expression also increased time dependently in the induction cultures. In conclusion, we isolated DPCs with stem cell characteristics. MEPE and DSPP showed a similar regulatory pattern of DPCs mineralization. MEPE along with DSPP may be potential odontogenetic differentiation markers.

journal_name

J Endod

journal_title

Journal of endodontics

authors

Wei X,Ling J,Wu L,Liu L,Xiao Y

doi

10.1016/j.joen.2007.02.009

subject

Has Abstract

pub_date

2007-06-01 00:00:00

pages

703-8

issue

6

eissn

0099-2399

issn

1878-3554

pii

S0099-2399(07)00167-7

journal_volume

33

pub_type

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