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Cappello, S. ; Böhringer, C.R. ; Bergami, M.* ; Conzelmann, K.K.* ; Ghanem, A.* ; Tomassy, G.S.* ; Arlotta, P.* ; Mainardi, M.* ; Allegra, M.* ; Caleo, M.* ; van Hengel, J.* ; Brakebusch, C.* ; Götz, M.

A radial glia-specific role of RhoA in double cortex formation.

Neuron 73, 911-924 (2012)
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The positioning of neurons in the cerebral cortex is of crucial importance for its function as highlighted by the severe consequences of migrational disorders in patients. Here we show that genetic deletion of the small GTPase RhoA in the developing cerebral cortex results in two migrational disorders: subcortical band heterotopia (SBH), a heterotopic cortex underlying the normotopic cortex, and cobblestone lissencephaly, in which neurons protrude beyond layer I at the pial surface of the brain. Surprisingly, RhoA(-/-) neurons migrated normally when transplanted into wild-type cerebral cortex, whereas the converse was not the case. Alterations in the radial glia scaffold are demonstrated to cause these migrational defects through destabilization of both the actin and the microtubules cytoskeleton. These data not only demonstrate that RhoA is largely dispensable for migration in neurons but also showed that defects in radial glial cells, rather than neurons, can be sufficient to produce SBH.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Bnormal neuronal migration; Outer subventricular zone; Serum response factor; Cerebral-cortex; Cell-migration; Visual-cortex; Pyramidal neurons; Progenitor cells; CRE recombinase; in-vivo
Sprache
Veröffentlichungsjahr 2012
HGF-Berichtsjahr 2012
ISSN (print) / ISBN 0896-6273
e-ISSN 1097-4199
Zeitschrift Neuron
Quellenangaben Band: 73, Heft: 5, Seiten: 911-924 Artikelnummer: , Supplement: ,
Verlag Cell Press
Verlagsort Cambridge, Mass.
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Stem Cell Research (ISF)
POF Topic(s) 30204 - Cell Programming and Repair
Forschungsfeld(er) Stem Cell and Neuroscience
PSP-Element(e) G-500800-001
PubMed ID 22405202
DOI 10.1016/j.neuron.2011.12.030
WOS ID WOS:000301558600007
Scopus ID 84858020309
Erfassungsdatum 2012-04-19
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