Fig. 1
From: Nanomaterials: small particles show huge possibilities for cancer immunotherapy
Copyright© 2022, copyright Yin et al.
Preparation, mechanism of action and effect of PD-1-MM@PLGA/RAPA. A Schematic diagram of the preparation of PD-1-MM@PLGA/RAPA, a macrophage membrane-based nanomaterial, and tumor immunotherapy. B Fluorescence images of brain sections 24 h after intravenous injection of PLGA/DiR and PD-1-MM@PLGA/DiR. C Kaplan–Meier survival analysis of mice receiving treatments including PD-1-MM@PLGA/RAPA (*p < 0.05, **p < 0.01, ***p < 0.001). Reprinted with permission from Ref. [63].