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Late origin of glia-restricted progenitors in the developing mouse cerebral cortex.

Cereb. Cortex 19, (Suppl.1), i35-i143 (2009)
DOI PMC
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
In order to unravel the molecular determinants of cell fate, it is important to understand when fate restriction occurs during brain development. Lineage analysis suggested that bi- or multipotent progenitors persist into late developmental stages in some central nervous system regions, whereas most progenitor cells in the cerebral cortex appeared to be restrained to generate only a single cell type already at early stages. Here we discuss this previous work and present new data demonstrating that cortical progenitors generating exclusively glial cells appear late in development. In utero transduction of cortical progenitors at early and mid-neurogenesis using a combination of replication-defective retroviral vectors encoding different fluorescent proteins indicated that the early developing cortex is devoid of glia-restricted progenitors, although these are frequent during mid- and late neurogenesis. Clonal analyses in vitro using retroviral vectors and live cell tracking by video time-lapse microscopy confirmed these findings, revealing that the early developing cortex harbors 2 main progenitor types: neuron-restricted and bipotent (neuron-glial) progenitors. The latter are responsible for the generation of glial-restricted progenitors at mid- and late neurogenesis.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter clonal analysis; cortical development; gliogenesis; neurogenesis; video microscopy; neural stem-cells; cortical neurogenesis; fate specification; nervous-system; precursor cell; in-vitro; neurons; lineages; generation; dispersion
Sprache englisch
Veröffentlichungsjahr 2009
HGF-Berichtsjahr 2009
ISSN (print) / ISBN 1047-3211
e-ISSN 1460-2199
Zeitschrift Cerebral Cortex
Quellenangaben Band: 19, Heft: SUPPL. 1, Seiten: i35-i143, Artikelnummer: , Supplement: (Suppl.1)
Verlag Oxford University Press
Begutachtungsstatus Peer reviewed
POF Topic(s) 30204 - Cell Programming and Repair
Forschungsfeld(er) Stem Cell and Neuroscience
PSP-Element(e) G-500800-001
G-550900-001
PubMed ID 19363148
Scopus ID 69449094490
Erfassungsdatum 2009-09-03