long-term expandable sox9+ chondrogenic ectomesenchymal cells from human pluripotent stem cells
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2015
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Abstract
Here we report the successful generation and long-term expansion of SOX9-expressing CD271+PDGFRα+CD73+ chondrogenic ectomesenchymal cells from the PAX3/SOX10/FOXD3-expressing MIXL1−CD271hiPDGFRαloCD73− neural crest-like progeny of human pluripotent stem cells in a chemically defined medium supplemented with Nodal/Activin/transforming growth factorβ (TGFβ) inhibitor and fibroblast growth factor (FGF). When “primed” with TGFβ, such cells efficiently formed translucent cartilage particles, which were completely mineralized in 12 weeks in immunocompromized mice. The ectomesenchymal cells were expandable without loss of chondrogenic potential for at least 16 passages. They maintained normal karyotype for at least 10 passages and expressed genes representing embryonic progenitors (SOX4/12, LIN28A/B), cranial mesenchyme (ALX1/3/4), and chondroprogenitors (SOX9, COL2A1) of neural crest origin (SOX8/9, NGFR, NES). Ectomesenchyme is a source of many craniofacial bone and cartilage structures. The method we describe for obtaining a large quantity of human ectomesenchymal cells will help to model craniofacial disorders in vitro and potentially provide cells for the repair of craniofacial damage.
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umeda2015stemlong-term
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| Authors | ;Katsutsugu Umeda;Hirotsugu Oda;Qing Yan;Nadine Matthias;Jiangang Zhao;Brian R. Davis;Naoki Nakayama |
| Journal | nature reviews gastroenterology & hepatology |
| Year | 2015 |
| DOI |
10.1016/j.stemcr.2015.02.012
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