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Open Access Green as soon as Postprint is submitted to ZB.
Cdc42-mediated tubulogenesis controls cell specification.
Cell 139, 791-801 (2009)
Understanding how cells polarize and coordinate tubulogenesis during organ formation is a central question in biology. Tubulogenesis often coincides with cell-lineage specification during organ development. Hence, an elementary question is whether these two processes are independently controlled, or whether proper cell specification depends on formation of tubes. To address these fundamental questions, we have studied the functional role of Cdc42 in pancreatic tubulogenesis. We present evidence that Cdc42 is essential for tube formation, specifically for initiating microlumen formation and later for maintaining apical cell polarity. Finally, we show that Cdc42 controls cell specification non-cell-autonomously by providing the correct microenvironment for proper control of cell-fate choices of multipotent progenitors. For a video summary of this article, see the PaperFlick file with the Supplemental Data available online.
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Publication type
Article: Journal article
Document type
Scientific Article
ISSN (print) / ISBN
0092-8674
e-ISSN
1097-4172
Journal
Cell
Quellenangaben
Volume: 139,
Issue: 4,
Pages: 791-801
Publisher
Elsevier
Publishing Place
Cambridge, Mass.
Reviewing status
Peer reviewed
Institute(s)
Institute of Transl. Stem Cell Research (ITS)