Lucia Pedace, Simone Pizzi, Luana Abballe, Maria Vinci, Celeste Antonacci, Sara Patrizi, Claudia Nardini, Francesca Del Bufalo, Sabrina Rossi, Giulia Pericoli, Francesca Gianno, Zein Mersini Besharat, Luca Tiberi, Angela Mastronuzzi, Elisabetta Ferretti, Marco Tartaglia, Franco Locatelli, Andrea Ciolfi, Evelina Miele
In vitro models of pediatric brain tumors (pBT) are instrumental for better understanding the mechanisms contributing to oncogenesis and testing new therapies; thus, ideally, they should recapitulate the original tumor. We applied DNA methylation (DNAm) and copy number variation (CNV) profiling to characterize 241 pBT samples, including 155 tumors and 86 pBT-derived cell cultures, considering serum vs serum-free conditions, late vs early passages, and dimensionality (2D vs 3D cultures). We performed a t-SNE classification and identified differentially methylated regions in tumors compared to cell models...
April 18, 2024: NPJ Precision Oncology