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| 024 | 7 | _ | |a 10.1007/s00401-014-1276-0 |2 doi |
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| 024 | 7 | _ | |a 1432-0533 |2 ISSN |
| 037 | _ | _ | |a DKFZ-2017-00717 |
| 041 | _ | _ | |a eng |
| 082 | _ | _ | |a 610 |
| 100 | 1 | _ | |a Pietsch, Torsten |b 0 |
| 245 | _ | _ | |a Prognostic significance of clinical, histopathological, and molecular characteristics of medulloblastomas in the prospective HIT2000 multicenter clinical trial cohort. |
| 260 | _ | _ | |a Berlin |c 2014 |b Springer |
| 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 1490879993_7656 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
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| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 520 | _ | _ | |a This study aimed to prospectively evaluate clinical, histopathological and molecular variables for outcome prediction in medulloblastoma patients. Patients from the HIT2000 cooperative clinical trial were prospectively enrolled based on the availability of sufficient tumor material and complete clinical information. This revealed a cohort of 184 patients (median age 7.6 years), which was randomly split at a 2:1 ratio into a training (n = 127), and a test (n = 57) dataset in order to build and test a risk score for this population. Independent validation was performed in a non-overlapping cohort (n = 83). All samples were subjected to thorough histopathological investigation, CTNNB1 mutation analysis, quantitative PCR, MLPA and FISH analyses for cytogenetic variables, and methylome analysis. By univariable analysis, clinical factors (M-stage), histopathological variables (large cell component, endothelial proliferation, synaptophysin pattern), and molecular features (chromosome 6q status, MYC amplification, subgrouping) were found to be prognostic. Molecular consensus subgrouping (WNT, SHH, Group 3, Group 4) was validated as an independent feature to stratify patients into different risk groups. When comparing methods for the identification of WNT-driven medulloblastoma, this study identified CTNNB1 sequencing and methylation profiling to most reliably identify these patients. After removing patients with particularly favorable (CTNNB1 mutation, extensive nodularity) or unfavorable (MYC amplification) markers, a risk score for the remaining 'intermediate molecular risk' population dependent on age, M-stage, pattern of synaptophysin expression, and MYCN copy-number status was identified, with speckled synaptophysin expression indicating worse outcome. Test and independent validation of the score confirmed significant discrimination of patients by risk profile. Methylation subgrouping and CTNNB1 mutation status represent robust tools for the risk stratification of medulloblastoma. A simple clinico-pathological risk score was identified, which was confirmed in a test set and by independent clinical validation. |
| 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 Biomarkers |2 NLM Chemicals |
| 650 | _ | 7 | |a CTNNB1 protein, human |2 NLM Chemicals |
| 650 | _ | 7 | |a MYCN protein, human |2 NLM Chemicals |
| 650 | _ | 7 | |a N-Myc Proto-Oncogene Protein |2 NLM Chemicals |
| 650 | _ | 7 | |a Nuclear Proteins |2 NLM Chemicals |
| 650 | _ | 7 | |a Oncogene Proteins |2 NLM Chemicals |
| 650 | _ | 7 | |a SYP protein, human |2 NLM Chemicals |
| 650 | _ | 7 | |a Synaptophysin |2 NLM Chemicals |
| 650 | _ | 7 | |a beta Catenin |2 NLM Chemicals |
| 700 | 1 | _ | |a Schmidt, Rene |b 1 |
| 700 | 1 | _ | |a Remke, Marc |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Korshunov, Andrey |0 P:(DE-He78)8d9c904a6cea14d4c99c78ba46e41f93 |b 3 |
| 700 | 1 | _ | |a Hovestadt, Volker |0 P:(DE-He78)744146d3b5a3df1e0ac555e5bf1ee5cc |b 4 |
| 700 | 1 | _ | |a Jones, David |0 P:(DE-He78)551bb92841f634070997aa168d818492 |b 5 |
| 700 | 1 | _ | |a Felsberg, Jörg |0 P:(DE-HGF)0 |b 6 |
| 700 | 1 | _ | |a Kaulich, Kerstin |0 P:(DE-He78)25e258723e7e1ad2ff808b9274d3c479 |b 7 |
| 700 | 1 | _ | |a Goschzik, Tobias |b 8 |
| 700 | 1 | _ | |a Kool, Marcel |0 P:(DE-He78)4c28e2aade5f44d8eca9dd8e97638ec8 |b 9 |
| 700 | 1 | _ | |a Northcott, Paul A |0 P:(DE-HGF)0 |b 10 |
| 700 | 1 | _ | |a von Hoff, Katja |b 11 |
| 700 | 1 | _ | |a von Bueren, André O |b 12 |
| 700 | 1 | _ | |a Friedrich, Carsten |b 13 |
| 700 | 1 | _ | |a Mynarek, Martin |b 14 |
| 700 | 1 | _ | |a Skladny, Heyko |b 15 |
| 700 | 1 | _ | |a Fleischhack, Gudrun |b 16 |
| 700 | 1 | _ | |a Taylor, Michael D |b 17 |
| 700 | 1 | _ | |a Cremer, Friedrich |b 18 |
| 700 | 1 | _ | |a Lichter, Peter |0 P:(DE-He78)e13b4363c5fe858044ef8a39c02c870c |b 19 |
| 700 | 1 | _ | |a Faldum, Andreas |b 20 |
| 700 | 1 | _ | |a Reifenberger, Guido |0 P:(DE-HGF)0 |b 21 |
| 700 | 1 | _ | |a Rutkowski, Stefan |b 22 |
| 700 | 1 | _ | |a Pfister, Stefan |0 P:(DE-He78)f746aa965c4e1af518b016de3aaff5d9 |b 23 |e Last author |
| 773 | _ | _ | |a 10.1007/s00401-014-1276-0 |g Vol. 128, no. 1, p. 137 - 149 |0 PERI:(DE-600)1458410-4 |n 1 |p 137 - 149 |t Acta neuropathologica |v 128 |y 2014 |x 1432-0533 |
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