Figure 1 (IMAGE) Institute for Basic Science Caption Schematic illustration of comprehensive and combination RA therapy by Ce-MSCNV nanoparticles. Ce-MSCNVs scavenge the over-produced ROS in an RA knee joint, induce M1 to M2 macrophage polarization for immediate relief of inflammation and symptoms, modulate DCs into tDCs, and finally induce Tregs. Credit Institute for Basic Science Usage Restrictions Attribution Required License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.