Comparison of 2-and 3-dimensional cultured periodontal ligament stem cells; a pilot study

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5 Citations (Scopus)

Abstract

This study compared the characteristics of periodontal ligament stem cells (PDLSCs) cultured using 3-dimensional (3D) versus conventional 2-dimensional (2D) methods. PDLSCs were cultured in either a 3D culture with a non-adhesive culture plate (Stemfit 3D®) or a conventional 2D culture using a 6-well plate. Morphology, viability, proliferation ability, and osteogenic differentiation were analyzed to characterize the differences induced in identical PDLSCs by 3D and 2D culture environments. In addition, gene expression was analyzed using RNA sequencing to further characterize the functional differences. The diameter and the viability of the 3D-cultured PDLSCs decreased over time, but the shape of the spheroid was maintained for 20 days. Although osteogenic differentiation occurred in both the 2D-and 3D-cultured PDLSCs, compared to the control group it was 20.8 and 1.6 higher in the 3D-and 2D-cultured cells, respectively. RNA sequencing revealed that PDLSCs cultured using 2D and 3D methods have different gene expression profiles. The viability of the 3D-cultured cells was decreased, but they showed superior osteogenic differentiation compared to 2D-cultured cells. Within the limitations of this study, the results demonstrate that the structure and function of PDLSCs are influenced by the cell culture method.

Original languageEnglish
Article number1083
Pages (from-to)1-13
Number of pages13
JournalApplied Sciences (Switzerland)
Volume11
Issue number3
DOIs
Publication statusPublished - 1 Feb 2021

Bibliographical note

Publisher Copyright:
© 2021 by the authors. Licensee MDPI, Basel, Switzerland.

Keywords

  • 3-dimensional culture
  • Morphology
  • Osteogenic differentiation
  • Periodontal ligament stem cell
  • RNA sequencing
  • Spheroid

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