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| Open AccessA ubiquitin-based effector-to-inhibitor switch coordinates early brain, craniofacial, and skin development
The molecular mechanisms ensuring early face, brain, and skin formation are unclear. Here, the authors uncover a posttranslational pathway that controls cytoskeletal signaling circuits to coordinate ectodermal patterning and neurulation.
- Anthony J. Asmar
- , Shaun R. Abrams
- & Achim Werner
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Article
| Open AccessGlycine decarboxylase deficiency causes neural tube defects and features of non-ketotic hyperglycinemia in mice
Mutations in the enzyme glycine decarboxylase (GLDC) are associated with neural tube closure defects and non-ketotic hyperglycinemia in humans. Here the authors generate a mouse model with reduced Gldc expression and activity and study the direct effect of the enzyme in these diseases and the mechanisms responsible for neural tube closure defects.
- Yun Jin Pai
- , Kit-Yi Leung
- & Nicholas D.E. Greene
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EphrinB2 affects apical constriction in Xenopus embryos and is regulated by ADAM10 and flotillin-1
ADAM metalloproteases cleave ephrin signalling proteins and their receptors. Here, the authors show that ADAM10-mediated cleavage of ephrinB2 is inhibited by the lipid raft protein flotillin-1 and that ephrinB2 regulates apical constriction during neural tube closure in Xenopusembryos.
- Yon Ju Ji
- , Yoo-Seok Hwang
- & Ira O. Daar