

Moreover, inflammation is crucial for GBM progression.

Therefore, Wnt/β-catenin pathway is postulated as a promising target in GBM therapy. Without the protective role of its natural antagonists, Wnt pathway is hyperactivated, contributing to the maintenance of GBM cells stemness, invasiveness, and angiogenesis, as well as chemio- and radioresistance. As we and others have previously shown, hyperactivation of this signaling pathway is mainly caused by promoter methylation of its inhibitors. One of the most critical oncogenic drivers of GBM is the Wnt/β-catenin pathway. Novel therapies, drug targets, and drug combinations are needed to prolong GBM patients lifespan. Despite surgical resection followed by radio- and chemotherapy, GBM tends to recur and only fewer than 5% of patients survive 5 years after diagnosis. It is highly heterogeneous and driven by diverse genetic, epigenetic, and developmental programs.

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