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| Home > Publications database > Cross-species epigenetics identifies a critical role for VAV1 in SHH subgroup medulloblastoma maintenance. > print |
| 001 | 127019 | ||
| 005 | 20240228140901.0 | ||
| 024 | 7 | _ | |a 10.1038/onc.2014.405 |2 doi |
| 024 | 7 | _ | |a pmid:25531316 |2 pmid |
| 024 | 7 | _ | |a pmc:PMC4386991 |2 pmc |
| 024 | 7 | _ | |a 0950-9232 |2 ISSN |
| 024 | 7 | _ | |a 1476-5594 |2 ISSN |
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| 037 | _ | _ | |a DKFZ-2017-03045 |
| 041 | _ | _ | |a eng |
| 082 | _ | _ | |a 610 |
| 100 | 1 | _ | |a Lindsey, J. C. |b 0 |
| 245 | _ | _ | |a Cross-species epigenetics identifies a critical role for VAV1 in SHH subgroup medulloblastoma maintenance. |
| 260 | _ | _ | |a Basingstoke |c 2015 |b Nature Publ. Group |
| 336 | 7 | _ | |a article |2 DRIVER |
| 336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1508835331_20352 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
| 336 | 7 | _ | |a JOURNAL_ARTICLE |2 ORCID |
| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 520 | _ | _ | |a The identification of key tumorigenic events in Sonic Hedgehog (SHH) subgroup medulloblastomas (MBSHH) will be essential for the development of individualized therapies and improved outcomes. However, beyond confirmation of characteristic SHH pathway mutations, recent genome-wide sequencing studies have not revealed commonly mutated genes with widespread relevance as potential therapeutic targets. We therefore examined any role for epigenetic DNA methylation events in MBSHH using a cross-species approach to candidate identification, prioritization and validation. MBSHH-associated DNA methylation events were first identified in 216 subgrouped human medulloblastomas (50 MBSHH, 28 Wnt/Wingless, 44 Group 3 and 94 Group 4) and their conservation then assessed in tumors arising from four independent murine models of Shh medulloblastoma, alongside any role in tumorigenesis using functional assessments in mouse and human models. This strategy identified widespread regional CpG hypo-methylation of VAV1, leading to its elevated expression, as a conserved aberrant epigenetic event, which characterizes the majority of MBSHH tumors in both species, and is associated with a poor outcome in MBSHH patients. Moreover, direct modulation of VAV1 in mouse and human models revealed a critical role in tumor maintenance, and its abrogation markedly reduced medulloblastoma growth. Further, Vav1 activity regulated granule neuron precursor germinal zone exit and migration initiation in an ex vivo model of early postnatal cerebellar development. These findings establish VAV1 as a critical epigenetically regulated oncogene with a key role in MBSHH maintenance, and highlight its potential as a validated therapeutic target and prognostic biomarker for the improved therapy of medulloblastoma. |
| 536 | _ | _ | |a 312 - Functional and structural genomics (POF3-312) |0 G:(DE-HGF)POF3-312 |c POF3-312 |f POF III |x 0 |
| 588 | _ | _ | |a Dataset connected to CrossRef, PubMed, |
| 650 | _ | 7 | |a Proto-Oncogene Proteins c-vav |2 NLM Chemicals |
| 650 | _ | 7 | |a VAV1 protein, human |2 NLM Chemicals |
| 700 | 1 | _ | |a Kawauchi, D. |0 P:(DE-He78)0ac2bd1a9fb1823a351ee4434d80808b |b 1 |u dkfz |
| 700 | 1 | _ | |a Schwalbe, E. C. |b 2 |
| 700 | 1 | _ | |a Solecki, D. J. |b 3 |
| 700 | 1 | _ | |a Selby, M. P. |b 4 |
| 700 | 1 | _ | |a McKinnon, P. J. |b 5 |
| 700 | 1 | _ | |a Olson, J. M. |b 6 |
| 700 | 1 | _ | |a Hayden, J. T. |b 7 |
| 700 | 1 | _ | |a Grundy, R. G. |b 8 |
| 700 | 1 | _ | |a Ellison, D. W. |b 9 |
| 700 | 1 | _ | |a Williamson, D. |b 10 |
| 700 | 1 | _ | |a Bailey, S. |b 11 |
| 700 | 1 | _ | |a Roussel, M. F. |b 12 |
| 700 | 1 | _ | |a Clifford, S. C. |b 13 |
| 773 | _ | _ | |a 10.1038/onc.2014.405 |g Vol. 34, no. 36, p. 4746 - 4757 |0 PERI:(DE-600)2008404-3 |n 36 |p 4746 - 4757 |t Oncogene |v 34 |y 2015 |x 1476-5594 |
| 909 | C | O | |o oai:inrepo02.dkfz.de:127019 |p VDB |
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