Sox9 and Sox10 influence survival and migration of oligodendrocyte precursors in the spinal cord by regulating PDGF receptor {alpha} expression.

Sox9 and Sox10 influence survival and migration of oligodendrocyte precursors in the spinal cord by regulating PDGF receptor {alpha} expression. Research Abstract Details 

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Sox9 and Sox10 influence survival and migration of oligodendrocyte precursors in the spinal cord by regulating PDGF receptor {alpha} expression. Abstract Text:

Markus Finzsch,C Claus Stolt,Petra Lommes,Michael Wegner,

Specification of the myelin-forming oligodendrocytes of the central nervous system requires the Sox9 transcription factor, whereas terminal differentiation depends on the closely related Sox10. Between specification and terminal differentiation, Sox9 and Sox10 are co-expressed in oligodendrocyte precursors and are believed to exert additional functions. To identify such functions, we have deleted Sox9 specifically in already specified oligodendrocyte precursors of the spinal cord. In the absence of Sox9, oligodendrocyte precursors developed normally and started terminal differentiation on schedule. However, when Sox10 was additionally deleted, oligodendrocyte precursors exhibited an altered migration pattern and were present in reduced numbers because of increased apoptosis rates. Remaining precursors continued to express many characteristic oligodendroglial markers. Aberrant expression of astrocytic and neuronal markers was not observed. Strikingly, we failed to detect PDGF receptor alpha expression in the mutant oligodendrocyte precursors, arguing that PDGF receptor alpha is under transcriptional control of Sox9 and Sox10. Altered PDGF receptor alpha expression is furthermore sufficient to explain the observed phenotype, as PDGF is both an important survival factor and migratory cue for oligodendrocyte precursors. We thus conclude that Sox9 and Sox10 are required in a functionally redundant manner in oligodendrocyte precursors for PDGF-dependent survival and migration.

Sox9 and Sox10 influence survival and migration of oligodendrocyte precursors in the spinal cord by regulating PDGF receptor {alpha} expression. Publishing Authors By Initials

M Finzsch,CC Stolt,P Lommes,M Wegner,

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Sox9 and Sox10 influence survival and migration of oligodendrocyte precursors in the spinal cord by regulating PDGF receptor {alpha} expression. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Development (Cambridge, England)

VOLUME: 135

Page Numbers: 637-46

Journal Abbreviation: Development

ISSN: 0950-1991

DAY: 9

MONTH: 01

YEAR: 2008

Sox9 and Sox10 influence survival and migration of oligodendrocyte precursors in the spinal cord by regulating PDGF receptor {alpha} expression. Information

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LANGUAGE: eng

NlmUniqueID: 8701744

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Grant and Affiliation Information for Sox9 and Sox10 influence survival and migration of oligodendrocyte precursors in the spinal cord by regulating PDGF receptor {alpha} expression.

AFFILIATION: Institut für Biochemie, Emil-Fischer-Zentrum, Universität Erlangen, Fahrstrasse 17, D-91054 Erlangen, Germany.

Country: England

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MEDLINETA: Development

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