Fig. 7From: Disease-microenvironment modulation by bare- or engineered-exosome for rheumatoid arthritis treatmentA Schematic illustration of post-isolation modification method for treatment of RA. A Preparation strategy of anti-ROS-CII antibodies loaded polymorphonuclear leukocytes (PMN)-derived extracellular vesicles (EVs). [170]. Reproduced with permission, Copyright 2020, Frontiers. B Schematic illustration of Evs-EGCG and cartilage regeneration. [171] Copyright 2021, Elsevier. C Schematic depicting of BBR-PEVs and RA microenvironment reprogramming [172]. Copyright 2021, WileyBack to article page