Fig. 4

In vitro ICD evaluation. A Schematic illustration of tumor cells undergoing ICD. B–E Flow cytometry and analysis of CRT and HMGB1 expression on tumor cells treated with different formulations (a: control, b: PoxMTP NPs, c: PTX and d: PTX@PoxMTP NPs). F–G ATP levels in MDA-MB-231 and 4T1 cells in different treatment groups. *P < 0.05, **P < 0.01, ***P < 0.001 and #P < 0.0001