Figure 11.

Schematic of the NK cell-membrane-cloaked nanoparticles for augmented immunotherapy based on photodynamic therapy. The TCPP-loaded NK-cell-membrane-coated nanoparticles increased the intratumoral accumulation of TCPP, which produced ROS upon light irradiation to induce tumor cell apoptosis. The proteins expressed on the NK cell membranes could also promote the M1-type macrophage polarization to augment the anticancer immune response. Reprinted with permission from ref 154. Copyright 2018 American Chemical Society.