Etoposide activates CD8+ T cell anti-tumor immunity in osteosarcoma through MHC I upregulation via tumor-secreted IL-33 mediated signaling
Background
Osteosarcoma patients with high propensity for metastasis and recurrence generally encounter a poor prognosis. Despite the extensive exploration of immunotherapy, particularly the anti-programmed cell death protein 1 (anti-PD-1) antibody, i…