ArticleDevelopmental cell2025
Differential tissue deformability underlies fluid pressure-driven shape divergence of the avian embryonic brain and spinal cord.
Article in Developmental cell, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- TiFM2.0 - versatile mechanical measurement and actuation in live embryos.Development (Cambridge, England) · 2026Article
- Morphometric analysis reveals that the chick cranial neural tube expands as an active shell.bioRxiv : the preprint server for biology · 2026Article
- Neuromechanobiology: Bridging Mechanobiology and Neuroscience Through Evidence and Open Questions.Cells · 2026Review
- Permeability-driven pressure and cell proliferation control lumen morphogenesis in pancreatic organoids.Nature cell biology · 2026Article
- GPR161-GLI3 repressor signaling at cilia directs apical constriction and cell fate during cranial neural tube closure.Development (Cambridge, England) · 2025Article
- Viscoelasticity during development: What is it? and why should you care?Seminars in cell & developmental biologyReview
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Authors and funding
9 authors.
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Abstract
An enlarged brain underlies the complex central nervous system of vertebrates. The dramatic expansion of the brain that diverges its shape from the spinal cord follows neural tube closure during embryonic development. Here, we show that this differential deformation is encoded by a pre-pattern of tissue material properties in chicken embryos. Using magnetic droplets and atomic force microscopy, we demonstrate that the dorsal hindbrain is more fluid than the dorsal spinal cord, resulting in a thinning versus a resisting response to increasing lumen pressure, respectively. The dorsal hindbrain exhibits reduced apical actin and a disorganized laminin matrix consistent with tissue fluidization. Blocking the activity of neural-crest-associated matrix metalloproteinases inhibits hindbrain expansion. Transplanting dorsal hindbrain cells to the spinal cord can locally create an expanded brain-like morphology in some cases. Our findings raise questions in vertebrate head evolution and suggest a general role of mechanical pre-patterning in sculpting epithelial tubes.
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Registered trials
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