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082 _ _ |a 610
100 1 _ |a Catanzaro, Giuseppina
|b 0
245 _ _ |a MiR-1248: a new prognostic biomarker able to identify supratentorial hemispheric pediatric low-grade gliomas patients associated with progression.
260 _ _ |a London
|c 2022
|b Biomed Central
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520 _ _ |a Pediatric low-grade gliomas (pLGGs), particularly incompletely resected supratentorial tumours, can undergo progression after surgery. However to date, there are no predictive biomarkers for progression. Here, we aimed to identify pLGG-specific microRNA signatures and evaluate their value as a prognostic tool.We identified and validated supratentorial incompletey resected pLGG-specific microRNAs in independent cohorts from four European Pediatric Neuro-Oncology Centres.These microRNAs demonstrated high accuracy in differentiating patients with or without progression. Specifically, incompletely resected supratentorial pLGGs with disease progression showed significantly higher miR-1248 combined with lower miR-376a-3p and miR-888-5p levels than tumours without progression. A significant (p < 0.001) prognostic performance for miR-1248 was reported with an area under the curve (AUC) of 1.00. We also highlighted a critical oncogenic role for miR-1248 in gliomas tumours. Indeed, high miR-1248 levels maintain low its validated target genes (CDKN1A (p21)/FRK/SPOP/VHL/MTAP) and consequently sustain the activation of oncogenic pathways.Altogether, we provide a novel molecular biomarker able to successfully identify pLGG patients associated with disease progression that could support the clinicians in the decision-making strategy, advancing personalized medicine.
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650 _ 7 |a Pediatric low-grade gliomas
|2 Other
650 _ 7 |a Personalized medicine
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650 _ 7 |a Prognostic biomarker
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650 _ 7 |a Risk stratification
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650 _ 7 |a Tumour progression
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650 _ 7 |a miR-1248
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700 1 _ |a Besharat, Zein Mersini
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700 1 _ |a Carai, Andrea
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700 1 _ |a Jäger, Natalie
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700 1 _ |a Splendiani, Elena
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700 1 _ |a Colin, Carole
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700 1 _ |a Po, Agnese
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700 1 _ |a Chiacchiarini, Martina
|b 7
700 1 _ |a Citarella, Anna
|b 8
700 1 _ |a Gianno, Francesca
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700 1 _ |a Cacchione, Antonella
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700 1 _ |a Miele, Evelina
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700 1 _ |a Diomedi Camassei, Francesca
|b 12
700 1 _ |a Gessi, Marco
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700 1 _ |a Massimi, Luca
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700 1 _ |a Locatelli, Franco
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700 1 _ |a Jones, David
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700 1 _ |a Figarella-Branger, Dominique
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700 1 _ |a Pfister, Stefan
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700 1 _ |a Mastronuzzi, Angela
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700 1 _ |a Giangaspero, Felice
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700 1 _ |a Ferretti, Elisabetta
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773 _ _ |a 10.1186/s40364-022-00389-x
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