Oncostatin M regulates neural precursor activity in the adult brain
Copyright © 2011 Wiley Periodicals, Inc..
The regulation of neural precursor cell (NPC) activity is the major determinant of the rate of neuronal production in neurogenic regions of the adult brain. Here, we show that Oncostatin M (Osm) and its receptor, OsmRβ, are both expressed in the subventricular zone (SVZ) and that in contradistinction to leukemia inhibitory factor and ciliary neutrophic factor, Osm directly inhibits the proliferation of adult NPCs as measured by a decreased level of neurosphere formation in vitro. Similarly, intraventricular infusion of Osm dramatically decreases the pool of NPCs in both the SVZ and the hippocampus. In keeping with the inhibitory action of Osm, we reveal that mice lacking OsmRβ have substantially more NPCs in the SVZ, the hippocampus and the olfactory bulb, demonstrating that endogenous Osm signaling is important for NPC homeostasis. Finally, we show that Osm can also inhibit clonal growth of glioblastoma-derived neurospheres, further supporting the close link between NPCs and tumor stem cells.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2011 |
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| Erschienen: |
2011 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:71 |
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| Enthalten in: |
Developmental neurobiology - 71(2011), 7 vom: 18. Juli, Seite 619-33 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Beatus, Paul [VerfasserIn] |
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| Links: |
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| Themen: |
106956-32-5 |
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| Anmerkungen: |
Date Completed 14.10.2011 Date Revised 14.06.2011 published: Print Citation Status MEDLINE |
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| doi: |
10.1002/dneu.20871 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM209148365 |
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| 520 | |a Copyright © 2011 Wiley Periodicals, Inc. | ||
| 520 | |a The regulation of neural precursor cell (NPC) activity is the major determinant of the rate of neuronal production in neurogenic regions of the adult brain. Here, we show that Oncostatin M (Osm) and its receptor, OsmRβ, are both expressed in the subventricular zone (SVZ) and that in contradistinction to leukemia inhibitory factor and ciliary neutrophic factor, Osm directly inhibits the proliferation of adult NPCs as measured by a decreased level of neurosphere formation in vitro. Similarly, intraventricular infusion of Osm dramatically decreases the pool of NPCs in both the SVZ and the hippocampus. In keeping with the inhibitory action of Osm, we reveal that mice lacking OsmRβ have substantially more NPCs in the SVZ, the hippocampus and the olfactory bulb, demonstrating that endogenous Osm signaling is important for NPC homeostasis. Finally, we show that Osm can also inhibit clonal growth of glioblastoma-derived neurospheres, further supporting the close link between NPCs and tumor stem cells | ||
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| 700 | 1 | |a Jhaveri, Dhanisha J |e verfasserin |4 aut | |
| 700 | 1 | |a Walker, Tara L |e verfasserin |4 aut | |
| 700 | 1 | |a Lucas, Peter G |e verfasserin |4 aut | |
| 700 | 1 | |a Rietze, Rodney L |e verfasserin |4 aut | |
| 700 | 1 | |a Cooper, Helen M |e verfasserin |4 aut | |
| 700 | 1 | |a Morikawa, Yoshihiro |e verfasserin |4 aut | |
| 700 | 1 | |a Bartlett, Perry F |e verfasserin |4 aut | |
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