Fig. 9From: Disease-microenvironment modulation by bare- or engineered-exosome for rheumatoid arthritis treatmentA Schematic illustration of M2-macrophage derived exosomes (M2-Exo/pDNA). B Therapeutic regime of M2-Exo/pDNA and macrophage polarization. C Photographs of paw thickness [176]. Reproduced with permission, Copyright 2022, Elsevier. D Schematic illustration of anti-inflammatory exosomes (AI-Exo). E Photoacoustic images of joint. F skeletal structure of paw joint [177]. Reproduced with permission, Copyright 2022, Royal Society of ChemistryBack to article page