Biomimetic nano-platforms have attracted extensive attention due to their good biocompatibility, low immunogenicity, and homologous targeting to lesions. In this study, glioma cell membranes are used to encapsulate indocyanine green (ICG) loaded nanoparticles (SLNP/ICG), termed as SLNP/ICG@M for targeted photodynamic therapy (PDT) against glioma. Cell membrane modification significantly enhances cellular uptake of SLNP/ICG@M in homologous glioma cells in vitro and tumor distribution in vivo. Furthermore, SLNP/ICG@M can stimulate glioma cells to generate plentiful reactive oxygen species (ROS) under NIR irradiation, finally producing excellent photo-cytotoxicity and the optimal tumor growth inhibition with a tumor suppression rate of 93.2%. We also confirm that SLNP/ICG@M combined with NIR irradiation could activate mitochondria mediated apoptosis pathway, and the increased proliferation of CD4 T cells and CD8 T cells accompanied by immune activation further enhances PDT effect of SLNP/ICG@M. Herein, SLNP/ICG@M is a promising biomimetic nano drug delivery system for glioma targeted PDT therapy.
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