Molecular characterization of Wnt pathway and function of β-catenin overexpression in medulloblastoma cell lines - Geron, Lenisa; Salomão, Karina Bezerra; Borges, Kleiton Silva; Andrade, Augusto Faria; Corrêa, Carolina Alves Pereira; Scrideli, Carlos Alberto; Tone, Luiz Gonzaga (Cytotechnology, 2018)