Directed by Dr PEI Duanqing, the iPS cells were isolated from human urine and expanded with dental mesenchymal cells isolated from mouse embryos. After 3 weeks, tooth like structures including dental enamel, dentin, dental pulp and cementum were formed though not adequate yet in view of hardness.

Cell Regeneration 2013, 2:6 doi:10.1186/2045-9769-2-6 Published: 30 July 2013

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