ArticleThe Journal of cell biology2025
Prickle2 regulates apical junction remodeling and tissue fluidity during vertebrate neurulation.
Article in The Journal of cell biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Reciprocal inhibition of Wnt signaling pathways pattern the interconnection of epithelial tubules in the regenerating zebrafish kidney.Development (Cambridge, England) · 2026Article
- Planar polarization of endogenous ADIP during Xenopus neurulation.Biology open · 2026Article
- Linking Planar Cell Polarity to Mechanotransduction During Morphogenesis.BioEssays : news and reviews in molecular, cellular and developmental biology · 2026Review
- PRICKLE3 protects VANGL proteins from CK1-mediated phosphorylation and RNF43-mediated degradation.Communications biology · 2025Article
- Myocardin-related transcription factor regulates actomyosin contractility and apical junction remodeling during vertebrate neural tube closure.Development (Cambridge, England) · 2025Article
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2 authors.
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Abstract
The process of folding the flat neuroectoderm into an elongated neural tube depends on tissue fluidity, a property that allows epithelial deformation while preserving tissue integrity. Neural tube folding also requires the planar cell polarity (PCP) pathway. Here, we report that Prickle2 (Pk2), a core PCP component, increases tissue fluidity by promoting the remodeling of apical junctions (AJs) in Xenopus embryos. This Pk2 activity is mediated by the unique evolutionarily conserved Ser/Thr-rich region (STR) in the carboxyterminal half of the protein. Mechanistically, the effects of Pk2 require Rac1 and are accompanied by increased dynamics of C-cadherin and tricellular junctions, the hotspots of AJ remodeling. Notably, Pk2 depletion leads to the accumulation of mediolaterally oriented cells in the neuroectoderm, whereas the overexpression of Pk2 or Pk1 containing the Pk2-derived STR promotes cell elongation along the anteroposterior axis. We propose that Pk2-dependent regulation of tissue fluidity contributes to anteroposterior tissue elongation in response to extrinsic cues.
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