hUC-EVs-ATO Reduce the Severity of Acute GVHD by Resetting Inflammatory Macrophages toward the M2 Phenotype

An acute graft-versus-host disease model (AGVHD) was established to observe the therapeutic effects of extracellular vesicles from mesenchymal stromal cell-derived human umbilical cords-arsenic trioxides on aGVHD.