The Application of Nanoparticle-Based Drug Delivery Systems in Checkpoint Blockade Cancer Immunotherapy

Figure 4

Schematic illustration to show the structure of tumor cell membrane-coated, R873-loaded, and mannose-modified PLGA NPs (NP-R@M-M) and their functions to induce antitumor immunity as a nanovaccine. The figure is adapted from [29] with permission of the copyright holder, American Chemical Society.