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  Major signaling pathways in migrating neuroblasts

Khodosevich, K., Seeburg, P. H., & Monyer, H. (2009). Major signaling pathways in migrating neuroblasts. Frontiers in Molecular Neuroscience, 2: 7, pp. 1-18. doi:10.3389/neuro.02.007.2009.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-1183-6 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-1184-4
Genre: Journal Article
Alternative Title : Major signaling pathways in migrating neuroblasts

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FrontMolNeurosci_2_2009_7_1.pdf (Any fulltext), 4MB
 
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 Creators:
Khodosevich, Konstantin1, Author              
Seeburg, Peter H.1, Author              
Monyer, Hannah1, Author              
Affiliations:
1Department of Molecular Neurobiology, Max Planck Institute for Medical Research, Max Planck Society, ou_1497704              

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Free keywords: RMS neuronal migration, microarray analysis, SVZ, signaling pathways, in vivo gene silencing
 Abstract: Neuronal migration is a key process in the developing and adult brain. Numerous factors act on intracellular cascades of migrating neurons and regulate the fi nal position of neurons. One robust migration route persists postnatally − the rostral migratory stream (RMS). To identify genes that govern neuronal migration in this unique structure, we isolated RMS neuroblasts by making use of transgenic mice that express EGFP in this cell population and performed microarray analysis on RNA. We compared gene expression patterns of neuroblasts obtained from two sites of the RMS, one closer to the site of origin, the subventricular zone, and one closer to the site of the fi nal destination, the olfactory bulb (OB). We identifi ed more than 400 upregulated genes, many of which were not known to be involved in migration. These genes were grouped into functional networks by bioinformatics analysis. Selecting a specifi c upregulated intracellular network, the cytoskeleton pathway, we confi rmed by functional in vitro and in vivo analysis that the identifi ed genes of this network affected RMS neuroblast migration. Based on the validity of this approach, we chose four new networks and tested by functional in vivo analysis their involvement in neuroblast migration. Thus, knockdown of Calm1, Gria1 (GluA1) and Camk4 (calmodulin−signaling network), Hdac2 and Hsbp1 (Akt1−DNA transcription network), Vav3 and Ppm1a (growth factor signaling network) affected neuroblast migration to the OB

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Language(s): eng - English
 Dates: 2009-05-072009-07-022009-07-242009-07-24
 Publication Status: Published in print
 Pages: 18
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 664632
DOI: 10.3389/neuro.02.007.2009
URI: http://www.ncbi.nlm.nih.gov/pubmed/19668709
Other: 7542
 Degree: -

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Title: Frontiers in Molecular Neuroscience
Source Genre: Journal
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Publ. Info: Lausanne, Switzerland : Frontiers Research Foundation
Pages: - Volume / Issue: 2 Sequence Number: 7 Start / End Page: 1 - 18 Identifier: ISSN: 1662-5099
CoNE: https://pure.mpg.de/cone/journals/resource/1662-5099