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Odontogenic Induction of Dental Stem Cells by Extracellular Matrix-Inspired Three-Dimensional Scaffold

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Title: Odontogenic Induction of Dental Stem Cells by Extracellular Matrix-Inspired Three-Dimensional Scaffold
Author(s): Ravindran, Sriram; Zhang, Youbin; Huang, Chun-Chieh; George, Anne
Abstract: Currently, root canal therapy is the only clinical treatment available to treat damaged or necrotic dental pulp tissue arising from caries. This treatment results in the loss of tooth vitality. Somatic dental stem cell-based tissue engineering approaches can alleviate this problem by preserving tooth vitality. Dental stem cells are multipotent and under appropriate conditions could be used for dental pulp tissue engineering. Successful use of these cells in pulp repair requires a combination of growth factors and appropriate scaffolds to induce cell differentiation. In this study, we demonstrate the odontogenic differentiation of human dental pulp stem cells (DPSCs) and the human periodontal ligament stem cells when cultured on a decellularized 3D extracellular matrix (ECM) scaffold without the need for exogenous addition of growth factors. Subcutaneous implantation of the ECM scaffolds containing DPSCs showed the formation of dental pulp-like tissue with cells expressing dentin sialoprotein (DSP) and dentin phosphophoryn (DPP). Additionally, we also show that the ECM scaffold can be exploited as a tool to study the extracellular function of multifunctional proteins. These promising results demonstrate the feasibility of developing these biomimetic scaffolds for treatment of dental caries.
Issue Date: 2014-01
Publisher: Mary Ann Liebert
Citation Info: Ravindran S, Zhang Y, Huang CC, George A. Odontogenic Induction of Dental Stem Cells by Extracellular Matrix-Inspired Three-Dimensional Scaffold. Tissue Engineering: Parts A, B, and C. 2013 Aug 21. DOI: 10.1089/ten.tea.2013.0192
Type: Article
Description: This is a copy of an article published in the Tissue Engineering: Parts A, B, and C © 2013 Copyright Mary Ann Liebert, Inc.; Tissue Engineering: Parts A, B, and C is available online at: http://www.liebertonline.com.
URI: http://hdl.handle.net/10027/11007
ISSN: 1937-335X
Sponsor: This study was supported by NIH R01 DE19633 and the Brodie Endowment Fund.
Date Available in INDIGO: 2014-01-07
 

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