| Item Type: | Article |
|---|---|
| Title: | Recurrent somatic alterations of FGFR1 and NTRK2 in pilocytic astrocytoma |
| Creators: |
Jones, D.T.W., Hutter, B., Jäger, N., Korshunov, A., Kool, M., Warnatz, H.J., Zichner, T., Lambert, S.R., Ryzhova, M., Quang, D.A.K., Fontebasso, A.M., Stütz, A.M., Hutter, S., Zuckermann, M., Sturm, D., Gronych, J., Lasitschka, B., Schmidt, S., Seker-Cin, H., Witt, H., Sultan, M., Ralser, M., Northcott, P.A., Hovestadt, V., Bender, S., Pfaff, E., Stark, S., Faury, D., Schwartzentruber, J., Majewski, J., Weber, U.D., Zapatka, M., Raeder, B., Schlesner, M., Worth, C.L. |
| Abstract: | Pilocytic astrocytoma, the most common childhood brain tumor, is typically associated with mitogen-activated protein kinase (MAPK) pathway alterations. Surgically inaccessible midline tumors are therapeutically challenging, showing sustained tendency for progression and often becoming a chronic disease with substantial morbidities. Here we describe whole-genome sequencing of 96 pilocytic astrocytomas, with matched RNA sequencing (n = 73), conducted by the International Cancer Genome Consortium (ICGC) PedBrain Tumor Project. We identified recurrent activating mutations in FGFR1 and PTPN11 and new NTRK2 fusion genes in non-cerebellar tumors. New BRAF-activating changes were also observed. MAPK pathway alterations affected all tumors analyzed, with no other significant mutations identified, indicating that pilocytic astrocytoma is predominantly a single-pathway disease. Notably, we identified the same FGFR1 mutations in a subset of H3F3A-mutated pediatric glioblastoma with additional alterations in the NF1 gene. Our findings thus identify new potential therapeutic targets in distinct subsets of pilocytic astrocytoma and childhood glioblastoma. |
| Keywords: | CNS Cancer, DNA Sequencing, Genomics, Oncogenes, Animals, Mice |
| Source: | Nature Genetics |
| ISSN: | 1061-4036 |
| Publisher: | Nature Publishing Group |
| Volume: | 45 |
| Number: | 8 |
| Page Range: | 927-932 |
| Date: | August 2013 |
| Official Publication: | https://doi.org/10.1038/ng.2682 |
| PubMed: | View item in PubMed |
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