Collective epithelial migration and cell rearrangements drive mammary branching morphogenesis.

Collective epithelial migration and cell rearrangements drive mammary branching morphogenesis. Research Abstract Details 

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Collective epithelial migration and cell rearrangements drive mammary branching morphogenesis. Abstract Text:

Epithelial organs are built through the movement of groups of interconnected cells. We observed cells in elongating mammary ducts reorganize into a multilayered epithelium, migrate collectively, and rearrange dynamically, all without forming leading cellular extensions. Duct initiation required proliferation, Rac, and myosin light-chain kinase, whereas repolarization to a bilayer depended on Rho kinase. We observed that branching morphogenesis results from the active motility of both luminal and myoepithelial cells. Luminal epithelial cells advanced collectively, whereas myoepithelial cells appeared to restrain elongating ducts. Significantly, we observed that normal epithelium and neoplastic hyperplasias are organized similarly, suggesting common mechanisms of epithelial growth.

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Collective epithelial migration and cell rearrangements drive mammary branching morphogenesis. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Developmental cell

VOLUME: 14

Page Numbers: 570-81

Journal Abbreviation: Dev. Cell

ISSN: 1534-5807

DAY: 15

MONTH: Apr

YEAR: 2008

Collective epithelial migration and cell rearrangements drive mammary branching morphogenesis. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Collective epithelial migration and cell rearrangements drive mammary branching morphogenesis.

AFFILIATION: Department of Anatomy and Program in Cell Biology, University of California, San Francisco, San Francisco, CA 94143, USA.

Country: United States

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MEDLINETA: Dev Cell

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