PDCD1 and glioblastoma: Additionally, as shown in Figure12a, a neutrophil‐delivered nanosensitizer (ZGO@TiO2@ALP) composed of the luminescent phosphor ZnGa2O4:Cr3+(ZGO), TiO2, anti‐PD‐1 antibody, and paclitaxel (PTX), was successfully fabricated to achieve drug delivery through BBB in combination with SDT, chemotherapy, and ICB therapy for glioblastoma treatment.