Liquid biopsy in glioblastoma: emerging technologies and translational opportunities.
Glioblastoma remains highly aggressive, with limited treatment response and poor prognosis. Tissue biopsy (TB) is invasive and fail to capture tumor heterogeneity or temporal dynamics. Liquid biopsy (LB) provides a noninvasive alternative for real-time monitoring via circulating biomarkers, including cell-free DNA (cfD...