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Generation of tooth-like structures from integration-free human urine induced pluripotent stem cells.

ABSTRACT: Tooth is vital not only for a good smile, but also good health. Yet, we lose tooth regularly due to accidents or diseases. An ideal solution to this problem is to regenerate tooth with patients' own cells. Here we describe the generation of tooth-like structures from integration-free human urine induced pluripotent stem cells (ifhU-iPSCs).We first differentiated ifhU-iPSCs to epithelial sheets, which were then recombined with E14.5 mouse dental mesenchymes. Tooth-like structures were recovered from these recombinants in 3 weeks with success rate up to 30% for 8 different iPSC lines, comparable to H1 hESC. We further detected that ifhU-iPSC derived epithelial sheets differentiated into enamel-secreting ameloblasts in the tooth-like structures, possessing physical properties such as elastic modulus and hardness found in the regular human tooth.Our results demonstrate that ifhU-iPSCs can be used to regenerate patient specific dental tissues or even tooth for further drug screening or regenerative therapies.

SUBMITTER: Cai J 

PROVIDER: S-EPMC4230506 | biostudies-other | 2013

REPOSITORIES: biostudies-other

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Generation of tooth-like structures from integration-free human urine induced pluripotent stem cells.

Cai Jinglei J   Zhang Yanmei Y   Liu Pengfei P   Chen Shubin S   Wu Xuan X   Sun Yuhua Y   Li Ang A   Huang Ke K   Luo Rongping R   Wang Lihui L   Liu Ying Y   Zhou Ting T   Wei Shicheng S   Pan Guangjin G   Pei Duanqing D  

Cell regeneration (London, England) 20130730 1

<h4>Background</h4>Tooth is vital not only for a good smile, but also good health. Yet, we lose tooth regularly due to accidents or diseases. An ideal solution to this problem is to regenerate tooth with patients' own cells. Here we describe the generation of tooth-like structures from integration-free human urine induced pluripotent stem cells (ifhU-iPSCs).<h4>Results</h4>We first differentiated ifhU-iPSCs to epithelial sheets, which were then recombined with E14.5 mouse dental mesenchymes. Too  ...[more]

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