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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
2
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pubmed:dateCreated |
2009-8-18
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pubmed:abstractText |
Self-renewal and proliferation of neural stem cells and the decision to initiate neurogenesis are crucial events directing brain development. Here we show that the ubiquitin ligase Huwe1 operates upstream of the N-Myc-DLL3-Notch pathway to control neural stem cell activity and promote neurogenesis. Conditional inactivation of the Huwe1 gene in the mouse brain caused neonatal lethality associated with disorganization of the laminar patterning of the cortex. These defects stemmed from severe impairment of neurogenesis associated with uncontrolled expansion of the neural stem cell compartment. Loss- and gain-of-function experiments in the mouse cortex demonstrated that Huwe1 restrains proliferation and enables neuronal differentiation by suppressing the N-Myc-DLL3 cascade. Notably, human high-grade gliomas carry focal hemizygous deletions of the X-linked Huwe1 gene in association with amplification of the N-myc locus. Our results indicate that Huwe1 balances proliferation and neurogenesis in the developing brain and that this pathway is subverted in malignant brain tumors.
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pubmed:grant |
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pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/19686682-10222142,
http://linkedlifedata.com/resource/pubmed/commentcorrection/19686682-10558980,
http://linkedlifedata.com/resource/pubmed/commentcorrection/19686682-10706881,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/19686682-7666188,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/19686682-8220424,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/19686682-8426239
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Dll3 protein, mouse,
http://linkedlifedata.com/resource/pubmed/chemical/Huwe1 protein, mouse,
http://linkedlifedata.com/resource/pubmed/chemical/Intracellular Signaling Peptides...,
http://linkedlifedata.com/resource/pubmed/chemical/Membrane Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/Notch1 protein, mouse,
http://linkedlifedata.com/resource/pubmed/chemical/Proto-Oncogene Proteins c-myc,
http://linkedlifedata.com/resource/pubmed/chemical/Receptor, Notch1,
http://linkedlifedata.com/resource/pubmed/chemical/Ubiquitin-Protein Ligases
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pubmed:status |
MEDLINE
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pubmed:month |
Aug
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pubmed:issn |
1878-1551
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pubmed:author |
pubmed-author:AldapeKenK,
pubmed-author:BrahmacharyManishaM,
pubmed-author:CalifanoAndreaA,
pubmed-author:CardoCarlos CordonCC,
pubmed-author:CarroMaria StellaMS,
pubmed-author:D' ArcaDomenicoD,
pubmed-author:GuillemotFrancoisF,
pubmed-author:IavaroneAntonioA,
pubmed-author:LasorellaAnnaA,
pubmed-author:LimWei KeatWK,
pubmed-author:LudwigThomasT,
pubmed-author:ZhaoXudongX
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pubmed:issnType |
Electronic
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pubmed:volume |
17
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
210-21
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pubmed:dateRevised |
2011-9-1
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pubmed:meshHeading |
pubmed-meshheading:19686682-Humans,
pubmed-meshheading:19686682-Animals,
pubmed-meshheading:19686682-Mice,
pubmed-meshheading:19686682-Brain,
pubmed-meshheading:19686682-Female,
pubmed-meshheading:19686682-Male,
pubmed-meshheading:19686682-Membrane Proteins,
pubmed-meshheading:19686682-Cells, Cultured,
pubmed-meshheading:19686682-Cell Differentiation,
pubmed-meshheading:19686682-Cell Cycle
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