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Evolution of the endothelin pathway drove neural crest cell diversification
CRISPR–Cas9-mediated disruption of the endothelin-signalling pathway in the sea lamprey Petromyzon marinus and the frog Xenopus laevis were used to delineate ancient and lineage-specific roles of endothelin signalling and provide insights into vertebrate evolution.
- Tyler A. Square
- , David Jandzik
- & Daniel M. Medeiros
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Lipid availability determines fate of skeletal progenitor cells via SOX9
Lipid starvation results in skeletal progenitors favouring commitment to chondrogenic over osteogenic fate, a process mediated by FOXO transcription factors and SOX9.
- Nick van Gastel
- , Steve Stegen
- & Geert Carmeliet
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Letter |
Resting zone of the growth plate houses a unique class of skeletal stem cells
In a mouse model, PTHrP-positive chondrocytes in the resting zone of the growth plate constitute a unique stem-cell population, which is initially unipotent and makes columnar chondrocytes that later exhibit multipotency.
- Koji Mizuhashi
- , Wanida Ono
- & Noriaki Ono
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Letter |
The genetic program for cartilage development has deep homology within Bilateria
Vertebrate and invertebrate cartilage share structural and biochemical properties, and their development is controlled by a highly conserved genetic circuit, suggesting that a deeply homologous mechanism underlies the parallel evolution of cartilage in Bilateria.
- Oscar A. Tarazona
- , Leslie A. Slota
- & Martin J. Cohn