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Research Article
In vitro characterization of human dental pulp stem cells isolated by three different methods
Ji-Hyun Jang, Hyeon-Woo Lee, Kyu Min Cho, Hee-Woong Shin, Mo Kwan Kang, Sang Hyuk Park, Euiseong Kim
Restor Dent Endod 2016;41(4):283-295.   Published online October 12, 2016
DOI: https://doi.org/10.5395/rde.2016.41.4.283
AbstractAbstract PDFPubReaderePub
Objectives

In this study, we characterized human dental pulp cells (HDPCs) obtained by different culture methods to establish the most suitable methodology for dental tissue engineering and regenerative endodontic applications.

Materials and Methods

HDPCs were isolated by the outgrowth method (HDPCs-OG), the enzymatic digestion method (collagenase/dispase/trypsin, HDPCs-ED), or the combination of both methods (HDPCs-Combined). The expression of mesenchymal stem cell markers (CD105, CD90, and CD73) was investigated. In vitro differentiation capacities of HDPCs into adipogenic, osteogenic, and chondrogenic lineages were compared. Differentiation markers were analyzed by quantitative reverse-transcription polymerase chain reaction (RT-PCR) and western blotting.

Results

Our data indicated that whole HDPCs-ED, HPDCs-OG, and HDPCs-Combined could be differentiated into adipogenic, chrondrogenic, and osteogenic cell types. However, we found that the methods for isolating and culturing HDPCs influence the differentiation capacities of cells. HDPCs-OG and HDPCs-ED were preferably differentiated into adipogenic and osteogenic cells, respectively. Differentiation markers shown by RT-PCR and western blotting analysis were mostly upregulated in the treated groups compared with the control groups.

Conclusions

Our findings confirmed that cell populations formed by two different culture methods and the combined culture method exhibited different properties. The results of this study could provide an insight into regenerative endodontic treatment using HDPCs.

Citations

Citations to this article as recorded by  
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