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Eleveld, Thomas F; Oldridge, Derek A; Bernard, Virginie; Koster, Jan; Colmet Daage, Léo; Diskin, Sharon J; Schild, Linda; Bentahar, Nadia Bessoltane; Bellini, Angela; Chicard, Mathieu; Lapouble, Eve; Combaret, Valérie; Legoix-Né, Patricia; Michon, Jean; Pugh, Trevor J; Hart, Lori S; Rader, JulieAnn; Attiyeh, Edward F; Wei, Jun S; Zhang, Shile; Naranjo, Arlene; Gastier-Foster, Julie M; Hogarty, Michael D; Asgharzadeh, Shahab; Smith, Malcolm A; Guidry Auvil, Jaime M; Watkins, Thomas B K; Zwijnenburg, Danny A; Ebus, Marli E; van Sluis, Peter; Hakkert, Anne; van Wezel, Esther; van der Schoot, C Ellen; Westerhout, Ellen M; Schulte, Johannes H; Tytgat, Godelieve A; Dolman, M Emmy M; Janoueix-Lerosey, Isabelle; Gerhard, Daniela S; Caron, Huib N; Delattre, Olivier; Khan, Javed; Versteeg, Rogier; Schleiermacher, Gudrun; Molenaar, Jan J; Maris, John M
Nature genetics, 08/2015, Letnik: 47, Številka: 8Journal Article
The majority of patients with neuroblastoma have tumors that initially respond to chemotherapy, but a large proportion will experience therapy-resistant relapses. The molecular basis of this aggressive phenotype is unknown. Whole-genome sequencing of 23 paired diagnostic and relapse neuroblastomas showed clonal evolution from the diagnostic tumor, with a median of 29 somatic mutations unique to the relapse sample. Eighteen of the 23 relapse tumors (78%) showed mutations predicted to activate the RAS-MAPK pathway. Seven of these events were detected only in the relapse tumor, whereas the others showed clonal enrichment. In neuroblastoma cell lines, we also detected a high frequency of activating mutations in the RAS-MAPK pathway (11/18; 61%), and these lesions predicted sensitivity to MEK inhibition in vitro and in vivo. Our findings provide a rationale for genetic characterization of relapse neuroblastomas and show that RAS-MAPK pathway mutations may function as a biomarker for new therapeutic approaches to refractory disease.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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