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Open Access Green as soon as Postprint is submitted to ZB.
Chondroitin sulfate glycosaminoglycans control proliferation, radial glia cell differentiation and neurogenesis in neural stem/progenitor cells.
Development 134, 2727-2738 (2007)
Although the local environment is known to regulate neural stem cell (NSC) maintenance in the central nervous system, little is known about the molecular identity of the signals involved. Chondroitin sulfate proteoglycans (CSPGs) are enriched in the growth environment of NSCs both during development and in the adult NSC niche. In order to gather insight into potential biological roles of CSPGs for NSCs, the enzyme chondroitinase ABC (ChABC) was used to selectively degrade the CSPG glycosaminoglycans. When NSCs from mouse E13 telencephalon were cultivated as neurospheres, treatment with ChABC resulted in diminished cell proliferation and impaired neuronal differentiation, with a converse increase in astrocytes. The intrauterine injection of ChABC into the telencephalic ventricle at midneurogenesis caused a reduction in cell proliferation in the ventricular zone and a diminution of self-renewing radial glia, as revealed by the neurosphere-formation assay, and a reduction in neurogenesis. These observations suggest that CSPGs regulate neural stem/progenitor cell proliferation and intervene in fate decisions between the neuronal and glial lineage.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Chondroitinase ABC; Astrocyte differentiation; Stem cell niche; Proteoglycans
Language
english
Publication Year
2007
HGF-reported in Year
2007
ISSN (print) / ISBN
0950-1991
e-ISSN
1477-9129
Quellenangaben
Volume: 134,
Issue: 15,
Pages: 2727-2738
Publisher
Company of Biologists
Reviewing status
Peer reviewed
Institute(s)
Institute of Stem Cell Research (ISF)
POF-Topic(s)
30204 - Cell Programming and Repair
Research field(s)
Stem Cell and Neuroscience
PSP Element(s)
G-500800-001
PubMed ID
17596283
WOS ID
000248381600003
Scopus ID
34548164611
Erfassungsdatum
2007-10-29