Journal List > J Korean Acad Periodontol > v.37(Suppl) > 1049658

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Kim, Kim, Seol, and Lee: Stem cell properties of cells derived from canine periodontal ligament
Original Article

The Journal of the Korean Academy of Periodontology 2007; 37(3): 479-488.

Published online: 30 September 2007

DOI: https://doi.org/10.5051/jkape.2007.37.3.479

Stem cell properties of cells derived from canine periodontal ligament

Kyoung-Hwa Kim, Su-Hwan Kim, Yang-Jo Seol, Yong-Moo Lee

Department of Periodontology School of Dentistry Seoul National University, Korea.

Corresponding Author (ymlee@snu.ac.kr)

Copyright © 2007 Korean Academy of Periodontology

Abstract

In spite of the attention given to the study of mesenchymal stem cells derived periodontal ligament (PDL), there is a lack of information about canine PDL cells. In this study, we characterized canine PDL cells to clarify their stem cell properties, including self renewal, proliferate rate, stem cell markers and multipotency.
PDL cells were obtained from extracted premolars of canines, following a colony forming assay and proliferation rate of sub-confluent cultures of cells for self-renewal, immunostaining for STRO-1 and CD146/MUC18 and a differentiation assay for multipotency.
Canine PDL cells formed single-cells colonies and 25% of the PDL cells displayed positive staining for BrdU. The cells expressed the mesenchymal stem-cell markers, STRO-1 and CD146/MUC18. Under defined culture conditions, the cells differentiated into osteoblasts and adipocytes, but the cells didn't differentiated into chondrocytes.
The findings of this study indicated that the canine PDL cells possess crucial stem cells properties, such as self-renewal and multipotency, and express the mesenchymal stem cell markers on their surface. The isolation and characterization of canine PDL cells makes it feasible to pursue preclinical models of periodontal regeneration in canine.

Keywords: canine, mesenchymal stem cells, PDL, multipotency, STRO-1, CD146/MUC18

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