Fig. 5
From: Current advance of nanotechnology in diagnosis and treatment for malignant tumors

Bone marrow-derived neutrophils ingest nanopharmaceuticals containing CTX, transforming into NPs@NEs. These cells return to the bone marrow, where they exert a therapeutic effect on senescent bone metastatic tumors. (Created with BioRender.com) Reproduced with permission from Luo et al. (2023), Copyright 2023 Springer Nature Limited