JOM KITA KE POLITEKNIK

Live imaging analysis of epithelial zippering during mouse neural tube closure (Record no. 978)

MARC details
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Personal name Molè, Matteo A.
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Title Live imaging analysis of epithelial zippering during mouse neural tube closure
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Date of publication, distribution, etc. 2023-01-01.
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General note /pmc/articles/PMC7614165/
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General note /pubmed/36653707
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Summary, etc. Zippering is a phenomenon of tissue morphogenesis whereby fusion between opposing epithelia progresses unidirectionally over significant distances, similar to the travel of a zip fastener, to ultimately ensure closure of an opening. A comparable process can be observed during Drosophila dorsal closure and mammalian wound healing, while zippering is employed by numerous organs such as the optic fissure, palatal shelves, tracheoesophageal foregut and presumptive genitalia to mediate tissue sealing during normal embryonic development. Particularly striking is zippering propagation during neural tube morphogenesis, where the fusion point travels extensively along the embryonic axis to ensure closure of the neural tube. Advances in time-lapse microscopy and culture conditions have opened the opportunity for successful imaging of whole-mouse embryo development over time, providing insights into the precise cellular behaviour underlying zippering propagation. Studies in mouse and the ascidian Ciona have revealed the fine-tuned cell shape changes and junction remodelling which occur at the site of zippering during neural tube morphogenesis. Here, we describe a step-by-step method for imaging at single-cell resolution the process of zippering and tissue remodelling which occurs during closure of the spinal neural tube in mouse. We also provide instructions and suggestions for quantitative morphometric analysis of cell behaviour during zippering progression. This procedure can be further combined with genetic mutant models (e.g. knockouts), offering the possibility of studying the dynamics of tissue fusion and zippering propagation, which underlie a wide range of open neural tube defects.
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Terms governing use and reproduction
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Terms governing use and reproduction https://creativecommons.org/licenses/by/4.0/This work is licensed under a CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) International license.
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Language note en
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Topical term or geographic name as entry element Article
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Personal name Galea, Gabriel L.
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Personal name Copp, Andrew J.
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Note Methods Mol Biol
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Uniform Resource Identifier <a href="http://dx.doi.org/10.1007/978-1-0716-2887-4_10">http://dx.doi.org/10.1007/978-1-0716-2887-4_10</a>
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