Journal
JOURNAL OF BIOSCIENCE AND BIOENGINEERING
Volume 110, Issue 3, Pages 345-350Publisher
SOC BIOSCIENCE BIOENGINEERING JAPAN
DOI: 10.1016/j.jbiosc.2010.03.004
Keywords
Oral mucosa fibroblasts; Induced pluripotent stem cells; Personalized medicine; Regenerative medicine
Funding
- Ministry of Education, Culture, Sports, Science, and Technology
- University of Tokushima
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Induced pluripotent stem (iPS) cells are one of the most promising sources for cell therapy in regenerative medicine. Using a patient's own genetically identical and histocompatible cells is the ideal way to practice personalized regenerative medicine. For personalized iPS cell therapy, the prerequisites for cell source preparation are a simple and safe procedure, no aesthetic or functional damage, and quick wound healing. Oral mucosa fibroblasts (OFs) may have high potential to fulfill these requirements. In this study, biopsy was performed in a dental chair; no significant incisional damage was recognized and rapid wound healing (within a week) was observed. We generated human iPS cells from the isolated OFs via the retroviral gene transfer of OCT4, SOX2, c-MYC, and KLF4. Reprogrammed cells showed ES-like morphology and expressed undifferentiated markers such as OCT4, NANOG, SSEA4, TRA-1-60, and TRA-1-81. Subsequent in vitro and in vivo analyses confirmed the pluripotency of resultant iPS cells, which matched the criteria for iPS cells. In addition, we found that the endogenous expression levels of c-MYC and ICLF4 in OFs were similar to those in dermal fibroblasts. Taken together, we propose that OFs could be a practical source for preparing iPS cells to achieve personalized regenerative medicine in the near future. (C) 2010, The Society for Biotechnology, Japan. All rights reserved.
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