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| Home > Publications database > Molecular Classification of Ependymal Tumors across All CNS Compartments, Histopathological Grades, and Age Groups. |
| Home > Publications database > Molecular Classification of Ependymal Tumors across All CNS Compartments, Histopathological Grades, and Age Groups. |
| Journal Article | DKFZ-2017-03291 |
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2015
Cell Press
Cambridge, Mass.
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Please use a persistent id in citations: doi:10.1016/j.ccell.2015.04.002
Abstract: Ependymal tumors across age groups are currently classified and graded solely by histopathology. It is, however, commonly accepted that this classification scheme has limited clinical utility based on its lack of reproducibility in predicting patients' outcome. We aimed at establishing a uniform molecular classification using DNA methylation profiling. Nine molecular subgroups were identified in a large cohort of 500 tumors, 3 in each anatomical compartment of the CNS, spine, posterior fossa, supratentorial. Two supratentorial subgroups are characterized by prototypic fusion genes involving RELA and YAP1, respectively. Regarding clinical associations, the molecular classification proposed herein outperforms the current histopathological classification and thus might serve as a basis for the next World Health Organization classification of CNS tumors.
Keyword(s): Adaptor Proteins, Signal Transducing ; Phosphoproteins ; YAP1 (Yes-associated) protein, human
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