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Eslaminejad MB, Vahabi S, Shariati M, et al. In vitro Growth and Characterization of Stem Cells from Human Dental Pulp of Deciduous Versus Permanent Teeth. J Dent (Tehran). 2010;7(4):185-95
Eslaminejad, M. B., Vahabi, S., Shariati, M., & Nazarian, H. (2010). In vitro Growth and Characterization of Stem Cells from Human Dental Pulp of Deciduous Versus Permanent Teeth. Journal of dentistry (Tehran, Iran), 7(4), 185-95.
Eslaminejad, Mr Baghaban, et al. "In vitro Growth and Characterization of Stem Cells from Human Dental Pulp of Deciduous Versus Permanent Teeth." Journal of dentistry (Tehran, Iran) vol. 7,4 (2010): 185-95.
Eslaminejad MB, Vahabi S, Shariati M, Nazarian H. In vitro Growth and Characterization of Stem Cells from Human Dental Pulp of Deciduous Versus Permanent Teeth. J Dent (Tehran). 2010;7(4):185-95. Epub 2010 Sep 30. PMID: 21998794; PMCID: PMC3184765.
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J Dent (Tehran). 2010;7(4):185-95. Epub 2010 Sep 30.

In vitro Growth and Characterization of Stem Cells from Human Dental Pulp of Deciduous Versus Permanent Teeth.

Journal of dentistry (Tehran, Iran)

Mr Baghaban Eslaminejad, S Vahabi, M Shariati, H Nazarian

Affiliations

  1. Associate Professor, Department of Stem Cell and Developmental Biology, Royan Institute for Stem Cell Biology and Technology, Academic Center for Education, Culture and Research (ACECR), Tehran, Iran.

PMID: 21998794 PMCID: PMC3184765

Abstract

OBJECTIVE: By date investigations have indicated the presence of stem cells within the pulp tissue of both temporary and permanent human teeth. In the present study, these stem cells were compared in terms of their growth kinetics and culture requirements.

MATERIALS AND METHODS: Stem cells within the pulp of the human third molar (permanent tooth) and the deciduous incisor (temporary tooth) were isolated, culture-expanded and characterized. Then the proliferation potential of the cells was compared using multiple cell growth indices as PDT (Population doubling time), colonogenic activity and growth curve. Furthermore, the cultures of both cells were optimized for maximal proliferation.

RESULTS: Stem cells of either pulp tissue appeared as fibroblastic cells capable of differentiating into osteoblastic, odontoblastic, adipocytic and chondrocytic cell lineages. In contrast to molar stem cells, those from the incisor tooth expressed neurogenic markers of ßIII Tubulin and Tau. Based on in vitro growth data, the cells from third molar tended to have a lower PDT value (20.79, SD=2.8 versus 25.55, SD=2.9 hours), higher colonogenic activity and better growth curve than those from the deciduous incisor (P<0.05). Both cells exhibited high expansion rate when being plated in a medium with 20% phosphate buffer solution at a density of 100 cells/cm(2).

CONCLUSION: Given the high proliferation capacity, the stem cells from the human third molar would be an appropriate candidate for use in experimental, preclinical and even clinical setups.

Keywords: Cell Differentiation; Cell Proliferation; Molar, Third; Tooth, Deciduous

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