Abstract
Human dental stem or precursor cells can differentiate into multiple cell types like adipocytes, osteoblasts or chondrocytes. Recently, a number of different human dental stem cell lines were differentiated into neurons. This makes dental stem cells interesting as possible cell-based therapeutics for neural degenerative diseases. To test this hypothesis, we have investigated the neural differentiation potential of murine dental follicle precursor cells (mDFPCs). The mDFPC cell line was newly established without cell immortalization. After differentiation, neural cell marker expression in mDFPCs was checked and compared with that of murine retinal progenitor cells (mRPCs). Differentiated mDFPCs became neuron-like cells with small cell bodies and long/branching neurites, similar to differentiated mRPCs. However, mRPCs showed more complete neural differentiation. Furthermore, 5% of the differentiated mDFPCs and 37% of the differentiated mRPCs were positive for the glia cell marker GFAP (glial fibrillary acidic protein). The data presents new evidence of neural differentiation of mDFPCs, but only a small percentage of mDFPCs differentiated into glia cells, unlike mRPCs.
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