Differentiation of induced pluripotent stem cells into dental mesenchymal cells

Stem Cells Dev. 2012 May 1;21(7):1156-64. doi: 10.1089/scd.2011.0210. Epub 2011 Dec 23.

Abstract

Similar to embryonic stem cells, induced pluripotent stem (iPS) cells can differentiate into various cell types upon appropriate induction, and thus, may be valuable cell sources for regenerative medicine. However, iPS cells have not been reported to differentiate into odontogenic cells for tooth regeneration. Here we demonstrated that neural crest-like cells (NCLC) derived from mouse iPS cells have the potential to differentiate into odontogenic mesenchymal cells. We developed an efficient culture protocol to induce the differentiation of mouse iPS cells into NCLC. We confirmed that the cells exhibited neural crest (NC) cell markers as evidenced by immunocytochemistry, flow cytometry, and real-time reverse transcription-polymerase chain reaction. Further, in recombination cultures of NCLC and mouse dental epithelium, NCLC exhibited a gene expression pattern involving dental mesenchymal cells. Some NCLC also expressed dentin sialoprotein. Conditioned medium of mouse dental epithelium cultures further enhanced the differentiation of NCLC into odontoblasts. These results suggest that iPS cells are useful cell sources for tooth regeneration and tooth development studies.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Biomarkers / metabolism
  • Cell Differentiation*
  • Cell Transformation, Neoplastic
  • Cells, Cultured
  • Coculture Techniques
  • Epithelial Cells / metabolism
  • Gene Expression
  • Induced Pluripotent Stem Cells / metabolism
  • Induced Pluripotent Stem Cells / physiology*
  • Induced Pluripotent Stem Cells / transplantation
  • Mice
  • Mice, Nude
  • Neural Crest / metabolism
  • Odontoblasts / metabolism
  • Odontogenesis
  • Teratoma / pathology
  • Tooth Germ / metabolism

Substances

  • Biomarkers