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Cerebrospinal fluid-derived Semaphorin3B orients neuroepithelial cell divisions in the apicobasal axis
The spatial orientation of cell divisions is fundamental for tissue architecture and homeostasis but the extracellular cues regulating this process are largely unknown. Here, the authors show that Semaphorin3B released from the floor plate and the nascent choroid plexus controls progenitor division orientation in the developing mouse spinal cord.
- Elise Arbeille
- , Florie Reynaud
- & Valérie Castellani