Dental pulp cells for induced pluripotent stem cell banking.

Abstract

Defined sets of transcriptional factors can reprogram human somatic cells to induced pluripotent stem (iPS) cells. However, many types of human cells are not easily accessible to minimally invasive procedures. Here we evaluated dental pulp cells (DPCs) as an optimal source of iPS cells, since they are easily obtained from extracted teeth and can be expanded under simple culture conditions. From all 6 DPC lines tested with the conventional 3 or 4 reprogramming factors, iPS cells were effectively established from 5 DPC lines. Furthermore, determination of the HLA types of 107 DPC lines revealed 2 lines homozygous for all 3 HLA loci and showed that if an iPS bank is established from these initial pools, the bank will cover approximately 20% of the Japanese population with a perfect match. Analysis of these data demonstrates the promising potential of DPC collections as a source of iPS cell banks for use in regenerative medicine.

DOI: 10.1177/0022034510366846

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@article{Tamaoki2010DentalPC, title={Dental pulp cells for induced pluripotent stem cell banking.}, author={Naritaka Tamaoki and Kentaro Takahashi and Tomohiro Tanaka and Tomoko Ichisaka and Hiroshi Aoki and Tomoko Takeda-Kawaguchi and Katsuyuki Iida and Takahiro Kunisada and T . - A . Shibata and Sumitaka Yamanaka and Kazuhiko Tezuka}, journal={Journal of dental research}, year={2010}, volume={89 8}, pages={773-8} }