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Sci. STKE, 21 March 2006
Vol. 2006, Issue 327, p. tw103
[DOI: 10.1126/stke.3272006tw103]

EDITORS' CHOICE

NEUROBIOLOGY Managing the Neural Production Line

Neural progenitors in the developing brain interact with neighboring cells through {alpha}E-catenin-containing adherens junctions. Lien et al. (see the Perspective by DiCicco-Bloom) found that conditional knockout of the {alpha}E-catenin gene during embryonic brain development resulted in mice whose brains at birth contained twice as many cells as normal. It seems that the area of cell surface occupied by adherens junctions defines the density of cells and regulates cellular proliferation such that enough, but not too many, brain cells are produced.

W.-H. Lien, O. Klezovitch, T. E. Fernandez, J. Delrow, V. Vasioukhin, {alpha}E-catenin controls cerebral cortical size by regulating the hedgehog signaling pathway. Science 311, 1609-1612 (2006). [Abstract] [Full Text]

E. DiCicco-Bloom, Neuron, know thy neighbor. Science 311, 1560-1562 (2006). [Summary] [Full Text]

Citation: Managing the Neural Production Line. Sci. STKE 2006, tw103 (2006).

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